UNIT 10 THE ECOSYSTEM GRADE 11
TEST 1
Read the following advertisement and mark the letter A, B, C or D on your answer sheet to indicate
the option that best fits each of the numbered blanks from 1 to 6.
Your Place in Earth's Perfect Balance


Silently yet powerfully, nature orchestrates life's endless dance, while gracefully and mysteriously, the
seasons paint their eternal masterpiece. Ancient forest wisdom guides our path, while (1)_________
carve their story and gentle ocean whispers share their secrets. The resources preserved by Earth sustain
all living beings, while the energy captured by plants powers life's grand cycle, and the balance
(2)_________ by ecosystems ensures our future. Our actions bring consequences to the ecosystem,
while nature sends messages (3)_________ humanity, and the wind carries hope to distant lands. When
Mother Earth (4)_________ all her ducks in a row, our ecosystem stands strong, but treat it like a house
of cards and we'll be skating on thin ice—that's why going against (5)_________ is always barking up
the wrong tree. (6)_________ in harmony with nature ensures our survival, while protecting our
environment becomes our sacred duty, and learning to coexist remains our greatest challenge.

Question 1:A. streams precious mountain

B. mountain streams precious

C. precious mountain streams

D. streams mountain precious

Question 2:A. which maintained

B. maintaining

C. was maintained

D. maintained

Question 3:A. for

B. to

C. at

D. with

Question 4:A. gets

B. brings

C. takes

D. hands

Question 5:A. natural

B. nature

C. naturally

D. natureness

Question 6:A. To living

B. Live

C. Living

D. To live

Read of the following leaflet and mark the letter A, B, C or D on your answer sheet to indicate the
option that best fits each of the numbered blanks from 7 to 12.
Your Guide to Earth's Living Connections


Welcome to a world where every creature, plant, and microorganism is connected in ways both visible
and invisible!



While some animals prefer solitude, others thrive in complex social networks, creating fascinating
communities in the wild. Trees (7)_________ fungi to branch out their nutrient-sharing networks
beneath the forest floor. The biodiversity (8)_________ serve as nature's laboratories of evolution.
(9)_________ nature's laws, every species plays a vital role in maintaining ecosystem balance. The
symbiosis between different organisms creates an intricate web of life. A (10)_________ of species
depend on each other in this delicate dance of survival.



In the rainforest canopy, (11)_________ network flourishes as pollinators connect countless flowering
plants. The ecosystem carries on with its complex interactions, where predators check up on prey
populations.



From the tiniest (12)_________ to the mightiest redwoods, the interconnectedness of life shapes our
planet's future.



Join us in discovering these amazing connections that make Earth a living, breathing superorganism!

Question 7:A. team up with

B. branch off with

C. break down with

D. grow out with

Question 8:A. corridors

B. hotspots

C. sanctuaries

D. reserves

Question 9:A. In spite of

B. In view of

Question 10:A. variety

B. handful

C. multitude

D. bunch

Question 11:A. the others

B. other

C. another

D. others

Question 12:A. insects

B. seedlings

C. With regard to

C. bacteria

D. In accordance with

D. microorganisms

Mark the letter A, B, C or D on your answer sheet to indicate the best arrangement of utterances or
sentences to make a meaningful exchange or text in each of the following questions from 13 to 17.
Question 13:
a.

Maya: No, please feel free to sit. I'm just finishing my coffee.

b. Alex: Excuse me, is this seat taken?
c.

Alex: Thanks! That's an interesting coffee mug you have there.

A. a-c-b

B. c-b-a

D. a-b-c

D. b-a-c

Question 14:
a.

Mrs. Reed: I meant musical scales...

b. Mrs. Reed: Yes, welcome! Before we start, do you have any experience with scales?
c.

Tom: Oh yes, I used to have a pet lizard!

d. Tom: Hi, I'm here for my first piano lesson. Are you Mrs. Reed?
e.

Tom: Oh! No, not really.

A. d-b-c-a-e

B. a-b-c-d-e

C. d-c-e-b-a

D. c-e-b-a-d

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Question 15:
Dear Professor Chen,
a.

Just last week, our team discovered an extraordinary network of mycorrhizal fungi connecting over
twenty different tree species across our study site. It's remarkable how these invisible threads facilitate
nutrient exchange and communication between plants that appear isolated above ground.

b. The way these microorganisms maintain the delicate balance of our ecosystem reminds me of your
favorite saying: "Nature's smallest engineers build the strongest foundations."
c.

I would be honored if you could review our preliminary findings. Your expertise in microbial ecology
would be invaluable as we prepare our paper for publication.

d. I hope this letter finds you well. I'm writing to share some fascinating discoveries from my research on
soil microbiomes here in the Amazon rainforest. Your lectures on ecosystem interconnectedness have

taken on new meaning as I observe the intricate ways these microscopic life forms weave through our
forest systems.
e.

The implications for ecosystem conservation are more significant than we initially anticipated.
Best regards,
LK

A. a-b-c-d-e

B. d-a-b-c-e

C. b-a-d-c-e

D. c-d-e-a-b

Question 16:
a.

However, habitat loss, pollution, and climate change threaten this natural harmony. As species
disappear, the symphony loses vital instruments, weakening ecosystem stability.

b. In nature's grand symphony, biodiversity conducts an intricate dance of life, where each species plays a
vital role in maintaining ecological harmony. Like musicians in an orchestra, plants, animals, and
microorganisms work in perfect coordination.
c.

We must act as stewards of this biological orchestra, protecting and preserving biodiversity. Our
survival depends on maintaining nature's carefully composed symphony of life.

d. This delicate balance enables essential processes like pollination, seed dispersal, and nutrient cycling to
flourish. When species interact, they create resilient ecosystems that can better withstand environmental
challenges.
e.

Healthy biodiversity provides crucial services - from clean water and air to food security and medicine.
These interconnected systems support all life on Earth, including humans.

A. d-e-b-a-c

B. e-d-a-b-c

C. b-d-e-a-c

D. a-b-e-d-c

Question 17:
a.

Within the earth, ancient seed banks lie dormant, waiting for optimal conditions. Tree rings and
sediment layers chronicle historical climate patterns and environmental changes.

b. This biological memory enables ecosystems to respond to environmental changes, drawing upon stored
knowledge to maintain resilience through challenging times.
c.

Ecosystems function as living time capsules, storing centuries of environmental information in their
soil, seeds, and species. Each element preserves crucial data about past conditions and adaptations.

d. Understanding these natural archives is crucial as we face climate change. Nature's time capsule holds
valuable lessons for survival and adaptation.
e.

Species carry genetic memories of past challenges, their DNA evolving through generations. These
adaptations reflect successful survival strategies refined over millennia.

A. c-a-e-b-d

B. c-d-e-a-b

C. c-e-b-a-d

D. c-b-a-d-e

Read the following passage about The Intricate Harmony of Natural Systems and mark the letter A,
B, C or D on your answer sheet to indicate the option that best fits each of the numbered blanks from
18 to 22.
In the grand tapestry of nature, countless systems work in perfect synchronization, creating a
masterpiece of biological harmony. The delicate dance of pollination, (18)_________, demonstrates nature's

brilliant efficiency in maintaining plant populations. The Amazon rainforest, which serves as Earth's vital
respiratory system, continuously cycles carbon dioxide into oxygen through its dense canopy of vegetation.
Had this crucial ecosystem been destroyed, (19)_________. Microscopic fungi in the soil decompose
organic matter and release essential nutrients, and these nutrients are then absorbed by plant roots through
complex chemical processes. Coral reefs, known as the rainforests of the sea, (20)_________. The great
whales, diving deep into oceanic depths and returning to surface waters, help circulate vital nutrients
throughout marine ecosystems, creating blooms of phytoplankton that sustain countless marine species.
Rivers carve through landscapes, carrying sediments and minerals downstream, and these materials
eventually enrich coastal ecosystems. Migratory birds, following ancient pathways across continents,
connect distant ecosystems through their seasonal journeys. (21)_________, ensuring no single species
dominates an ecosystem. From the smallest soil bacteria to the largest land mammals, each organism plays
its unique role in this grand orchestra of life.
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(22)_________, while the changing seasons orchestrate nature's annual patterns.
Question 18:
A. where bees methodically gather nectar while inadvertently spreading pollen
B. bees have methodically gathered nectar while inadvertently spreading pollen
C. which bees methodically gather nectar while inadvertently spreading pollen
D. bees will methodically gather nectar while inadvertently spreading pollen
Question 19:
A. which the global climate would have been severely disrupted, leading to catastrophic consequences
B. the global climate would have been severely disrupted, leading to catastrophic consequences
C. that the global climate would have been severely disrupted, leading to catastrophic consequences
D. having disrupting the global climate severely, leading to catastrophic consequences
Question 20:
A. providing essential shelter and sustenance for countless marine species
B. provide essential shelter and sustenance for countless marine species
C. having provided essential shelter and sustenance for countless marine species
D. provided essential shelter and sustenance for countless marine species
Question 21:
A. The dangerous web of predator-prey conflicts destroys forest resources
B. The complex chain of animal migrations controls weather patterns
C. The natural flow of river systems shapes predator behavior
D. The intricate web of predator-prey relationships maintains population balance
Question 22:
A. The remarkable synchronization of ocean currents determines planetary rotation

B. The remarkable synchronization of volcanic activity controls plant growth
C. The remarkable synchronization of day and night cycles influences countless biological rhythms
D. The remarkable synchronization of wind patterns shapes continental drift
Read the following passage about How Small Changes Transform Entire Ecosystems and mark the
letter A, B, C or D on your answer sheet to indicate the best answer to each of the following questions
from 23 to 30.
In nature's intricate web, even the smallest changes can trigger far-reaching consequences throughout
entire ecosystems. Trophic cascades demonstrate the vital interconnectedness of all species within their
habitats. When one component changes, it creates a ripple effect that transforms the biological community,
affecting everything from insects to the largest predators. Understanding these relationships has become
crucial as human activities impact natural systems.
A classic example can be observed in Yellowstone National Park, where the reintroduction of wolves in
1995 transformed the landscape. The presence of these apex predators caused elk populations to diminish as
they began avoiding areas where they were vulnerable to predation. This behavioral change allowed
previously overgrazed vegetation, particularly willow and aspen trees, to regenerate. The restored plant life
created new habitats for numerous species, from birds to beavers, whose dam-building activities altered
stream dynamics and enhanced aquatic ecosystems.
The ripple effect extends beyond direct predator-prey relationships, influencing various aspects of
ecosystem function. When keystone species are removed or introduced, they trigger a cascade of changes
that affect soil composition, water quality, and climate regulation. These transformations demonstrate how
ecosystems maintain their balance through complex feedback loops and interconnected relationships.
Conservation efforts must therefore consider the broader implications of environmental changes. By
protecting individual species and their habitats, we safeguard entire ecosystems and the essential
services they provide. The preservation of these delicate ecological relationships ensures the resilience of
natural systems that sustains all life on Earth.
Question 23: Which of the following is NOT mentioned in the passage?
A. Climate regulation
B. Water quality
C. Disease transmission
D. Soil composition
Question 24: The word “far-reaching” in paragraph 1 is OPPOSITE in meaning to_________.
A. extensive

B. widespread

C. comprehensive

D. limited

Question 25: The word “they” in paragraph 2 refers to_________.
A. elk

B. wolves

C. predators

D. trees

Question 26: The word “keystone” in paragraph 3 could be best replaced by_________.
A. essential

B. common

C. regular

D. ordinary

Question 27: Which of the following best paraphrases the underlined sentence in paragraph 4?

A. Through conservation of rare species in protected areas, we maintain the balance of nature and its
valuable resources.
B. When we preserve specific organisms in their environment, we ensure the survival of biological
communities and their benefits.
C. By saving endangered animals from extinction, we protect the food web and preserve natural resource
availability.
D. If we focus on ecosystem management alone, we can protect both individual species and environmental
functions.
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Question 28: Which of the following is TRUE according to the passage?
A. Trophic cascades only affect relationships between predators and prey, without impacting plant
communities.
B. Human activities have completely disrupted all natural ecosystems, making restoration efforts largely
ineffective.
C. The removal of keystone species always results in permanent damage that cannot be reversed through
conservation.
D. The reintroduction of wolves in Yellowstone led to changes in stream dynamics through a cascade of
ecological effects.
Question 29: In which paragraph does the writer mention small changes can have widespread effects on
ecosystems?
A. Paragraph 3

B. Paragraph 2

C. Paragraph 1

D. Paragraph 4

Question 30: In which paragraph does the writer mention what happens when keystone species are removed
or introduced?
A. Paragraph 3

B. Paragraph 2

C. Paragraph 1

D. Paragraph 4

Read the following passage about the Ecosystem Resilience in a Changing World and mark the letter
A, B, C or D on your answer sheet to indicate the best answer to each of the following questions from
31 to 40.
In an era of unprecedented environmental change, ecosystems worldwide face mounting pressures that
test their resilience—their capacity to absorb disturbances while maintaining essential functions. Climate
change, habitat fragmentation, pollution, and biodiversity loss create complex challenges that could prove to
be the straw that breaks the camel's back for many ecosystems, pushing them toward their breaking
points. Understanding whether these critical moments represent irreversible damage or opportunities for
adaptation has become crucial for environmental scientists and policymakers alike.
[I]Recent studies reveal alarming statistics about ecosystem degradation. [II]The Amazon rainforest, for
instance, has lost 17% of its forest cover in the past 50 years, while coral reefs have declined by 50% since
the 1950s. [III]These changes can trigger cascade effects throughout food webs and biogeochemical cycles,

potentially leading to system collapse. [IV] For example, the successful reintroduction of wolves to
Yellowstone National Park in 1995 demonstrated how a single change could restore balance to an entire
ecosystem.
Remarkably, many ecosystems exhibit unexpected resilience when protective measures are
implemented. The recovery of the ozone layer following the Montreal Protocol's implementation serves as a
powerful example of nature's regenerative capacity. Similarly, marine protected areas have shown that fish
populations can rebound significantly within just a few years of protection. These success stories highlight
how apparent breaking points can transform into turning points when human societies take decisive action to
support natural recovery processes.
As we stand at this critical juncture, emerging technologies and innovative conservation
approaches offer unprecedented opportunities to support ecosystem resilience. From artificial
intelligence-powered monitoring systems to revolutionary restoration techniques, we now possess tools that
our predecessors could only dream of. The key lies in combining these technological advances with
traditional ecological knowledge and community-based conservation efforts. By fostering a global network
of environmental stewardship and embracing both high-tech and nature-based solutions, we can transform
potential ecological breaking points into powerful catalysts for positive change, ensuring the vitality of
Earth's ecosystems for generations to come.
Question 31: The phrase “the straw that breaks the camel's back” in paragraph 1 could be best replaced
by_________.
A. wear away

B. push over the edge

C. break up

D. fall apart

Question 32: The word “their” in paragraph 1 refers to_________.
A. challenges

B. pressures

C. functions

D. ecosystems

Question 33: Which of the following is NOT mentioned as a threat to ecosystems?
A. invasive species

B. climate change

C. habitat fragmentation

D. pollution

Question 34: Where in paragraph 2 does the following sentence best fit?
However, research also shows that some ecosystems display remarkable adaptability when given the
chance to recover.
A. [I]

B. [II]]

C. [III]

D. [IV]

Question 35: Which of the following best summarises paragraph 3?
A. Scientific studies of ecosystem recovery patterns reveal complex relationships between human
intervention and environmental rehabilitation processes.
B. Global conservation efforts have produced mixed results in different ecosystems, suggesting varied
responses to environmental protection strategies.
C. Protective environmental measures enable ecosystems to recover naturally, demonstrating their inherent
ability to regenerate when properly supported.
D. Modern environmental policies focus on preventing ecosystem damage rather than supporting the natural
recovery of damaged environments.

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Question 36: The word “regenerative” in paragraph 3 is OPPOSITE in meaning to_________.
A. protective

B. destructive

C. supportive

D. adaptive

Question 37: Which of the following best paraphrases the underlined sentence in paragraph 4?
A. Modern technological advances and new conservation strategies create unique possibilities for
strengthening environmental systems at this crucial time.
B. Recent developments in environmental science suggest that technological solutions may eventually
replace traditional conservation methods entirely.
C. Scientific research indicates that ecosystem recovery depends primarily on implementing advanced
technological monitoring systems worldwide.
D. Conservation efforts have evolved significantly over time, leading to better understanding of how
technology impacts natural environments.
Question 38: Which of the following is TRUE according to the passage?
A. The reintroduction of wolves to Yellowstone National Park in 1995 helped restore ecological balance to
the ecosystem.
B. The implementation of protective measures has completely reversed all environmental damage in marine
protected areas.
C. Traditional ecological knowledge has proven more effective than modern technology in ecosystem
conservation efforts.
D. The Montreal Protocol eliminated all threats to the ozone layer and fully restored it to its original
condition.
Question 39: Which of the following can be inferred from the passage?
A. Traditional ecological practices are more effective than modern technological solutions in addressing
environmental challenges.
B. The complete restoration of damaged ecosystems is possible within a decade if proper conservation
policies are implemented.
C. Environmental systems generally possess the ability to recover when provided with appropriate
protection and intervention measures.
D. Future technological advances will eventually solve all current environmental problems without requiring
human intervention.
Question 40: Which of the following best summarises the passage?
A. Modern technological solutions and scientific advances have completely revolutionized our ability to
prevent and reverse all forms of environmental damage.
B. While ecosystems face severe environmental challenges, they demonstrate remarkable recovery potential
when supported by human intervention and protection measures.

C. Environmental degradation continues at an alarming rate worldwide, suggesting that ecosystem collapse
is inevitable despite conservation efforts.
D. Traditional ecological knowledge combined with community-based approaches represents the only viable
solution to current environmental challenges.

HƯỚNG DẪN GIẢI
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UNIT 10 THE ECOSYSTEM GRADE 11
TEST 1
Read the following advertisement and mark the letter A, B, C or D on your answer sheet to indicate
the option that best fits each of the numbered blanks from 1 to 6.
Your Place in Earth's Perfect Balance


Silently yet powerfully, nature orchestrates life's endless dance, while gracefully and mysteriously, the
seasons paint their eternal masterpiece. Ancient forest wisdom guides our path, while (1)_________
carve their story and gentle ocean whispers share their secrets. The resources preserved by Earth sustain
all living beings, while the energy captured by plants powers life's grand cycle, and the balance
(2)_________ by ecosystems ensures our future. Our actions bring consequences to the ecosystem,
while nature sends messages (3)_________ humanity, and the wind carries hope to distant lands. When
Mother Earth (4)_________ all her ducks in a row, our ecosystem stands strong, but treat it like a house
of cards and we'll be skating on thin ice—that's why going against (5)_________ is always barking up
the wrong tree. (6)_________ in harmony with nature ensures our survival, while protecting our
environment becomes our sacred duty, and learning to coexist remains our greatest challenge.

Question 1:A. streams precious mountain
C. precious mountain streams


B. mountain streams precious
D. streams mountain precious

Phân tích chi tiết

C. precious mountain streams: Đúng ngữ pháp và nghĩa. Cụm "precious mountain streams" có nghĩa là
"những dòng suối quý giá của núi", phù hợp với ngữ cảnh mô tả vẻ đẹp tự nhiên.
Tạm Dịch: Silently yet powerfully, nature orchestrates life's endless dance, while gracefully and
mysteriously, the seasons paint their eternal masterpiece. Ancient forest wisdom guides our path, while
precious mountain streams carve their story and gentle ocean whispers share their secrets. (Âm thầm nhưng
mạnh mẽ, thiên nhiên dàn dựng vũ điệu bất tận của cuộc sống, trong khi duyên dáng và bí ẩn, các mùa tô
điểm cho kiệt tác vĩnh cửu của chúng. Trí tuệ rừng cổ xưa dẫn lối cho chúng ta, trong khi những dòng suối
quý giá trên núi khắc họa câu chuyện của chúng và những lời thì thầm nhẹ nhàng của đại dương chia sẻ bí
mật của chúng.)

Question 2:A. which maintained


B. maintaining

C. was maintained

D. maintained

Phân tích chi tiết

D. maintained: Đây là đáp án đúng, vì nó là dạng quá khứ phân từ của động từ "maintain" và phù hợp với
cấu trúc rút gọn mệnh đề quan hệ trong câu.
Tạm Dịch: The resources preserved by Earth sustain all living beings, while the energy captured by plants
powers life's grand cycle, and the balance maintained by ecosystems ensures our future. (Các nguồn tài
nguyên mà Trái đất bảo tồn duy trì sự sống của mọi sinh vật, trong khi năng lượng mà thực vật hấp thụ thúc
đẩy chu kỳ sống vĩ đại, và sự cân bằng được duy trì bởi các hệ sinh thái đảm bảo tương lai của chúng ta.)
Question 3:A. for


B. to

C. at

D. with

Phân tích chi tiết

B. to: Đúng ngữ pháp và hợp lý. "Sends messages to humanity" có nghĩa là "gửi thông điệp đến nhân loại".
Tạm Dịch: Our actions bring consequences to the ecosystem, while nature sends messages to humanity, and
the wind carries hope to distant lands. (Hành động của chúng ta gây ra hậu quả cho hệ sinh thái, trong khi
thiên nhiên gửi thông điệp đến nhân loại và gió mang hy vọng đến những vùng đất xa xôi.)
Question 4:A. gets


B. brings

C. takes

D. hands

Phân tích chi tiết

A. gets: Đúng ngữ pháp và nghĩa. Cụm "gets all her ducks in a row" là một thành ngữ trong tiếng Anh, có
nghĩa là "sắp xếp mọi thứ vào trật tự".
Tạm Dịch: When Mother Earth gets all her ducks in a row, our ecosystem stands strong, but treat it like a
house of cards and we'll be skating on thin ice….(Khi Mẹ Trái Đất sắp xếp mọi thứ ổn thỏa, hệ sinh thái của
chúng ta sẽ vững mạnh, nhưng nếu đối xử với nó như một ngôi nhà bằng bài thì chúng ta sẽ trượt trên lớp
băng mỏng…)
Question 5:A. natural


B. nature

C. naturally

D. natureness

Phân tích chi tiết

B. nature: Đúng ngữ pháp và nghĩa. "Going against nature" có nghĩa là "đi ngược lại với tự nhiên".
Tạm Dịch: When Mother Earth gets all her ducks in a row, our ecosystem stands strong, but treat it like a
house of cards and we'll be skating on thin ice—that's why going against nature is always barking up the
wrong tree. (Khi Mẹ Trái Đất sắp xếp mọi thứ ổn thỏa, hệ sinh thái của chúng ta sẽ đứng vững, nhưng nếu
đối xử với nó như một ngôi nhà bằng giấy thì chúng ta sẽ trượt trên băng mỏng - đó là lý do tại sao việc đi
ngược lại tự nhiên luôn là hành động sai lầm.)
Question 6:A. To living


B. Live

C. Living

D. To live

Phân tích chi tiết

C. Living: Đúng ngữ pháp và nghĩa. "Living in harmony with nature" có nghĩa là "sống hòa hợp với thiên
nhiên".
Tạm Dịch: Living in harmony with nature ensures our survival, while protecting our environment becomes
our sacred duty, and learning to coexist remains our greatest challenge. (Sống hòa hợp với thiên nhiên đảm

bảo sự sống còn của chúng ta, trong khi bảo vệ môi trường trở thành nghĩa vụ thiêng liêng của chúng ta, và
học cách cùng tồn tại vẫn là thách thức lớn nhất của chúng ta.)
Read of the following leaflet and mark the letter A, B, C or D on your answer sheet to indicate the
option that best fits each of the numbered blanks from 7 to 12.
Your Guide to Earth's Living Connections


Welcome to a world where every creature, plant, and microorganism is connected in ways both visible
and invisible!



While some animals prefer solitude, others thrive in complex social networks, creating fascinating
communities in the wild. Trees (7)_________ fungi to branch out their nutrient-sharing networks
beneath the forest floor. The biodiversity (8)_________ serve as nature's laboratories of evolution.
(9)_________ nature's laws, every species plays a vital role in maintaining ecosystem balance. The
symbiosis between different organisms creates an intricate web of life. A (10)_________ of species
depend on each other in this delicate dance of survival.



In the rainforest canopy, (11)_________ network flourishes as pollinators connect countless flowering
plants. The ecosystem carries on with its complex interactions, where predators check up on prey
populations.



From the tiniest (12)_________ to the mightiest redwoods, the interconnectedness of life shapes our
planet's future.



Join us in discovering these amazing connections that make Earth a living, breathing superorganism!

Question 7:A. team up with


B. branch off with

C. break down with

D. grow out with

Phân tích chi tiết

A. team up with: Đúng ngữ pháp và hợp lý. Cụm "team up with" có nghĩa là "hợp tác với", rất phù hợp với
ngữ cảnh mô tả mối quan hệ hợp tác giữa cây cối và nấm để tạo thành mạng lưới chia sẻ dưỡng chất.
B. branch off with: Không phù hợp, "branch off" có nghĩa là "tách ra" hay "phân nhánh", không đúng trong
ngữ cảnh này.
C. break down with: Không hợp lý vì "break down" có nghĩa là "phân hủy", không phù hợp với ý nghĩa
của câu.
D. grow out with: Không phù hợp vì "grow out" thường chỉ quá trình phát triển ra ngoài, không liên quan
đến việc hợp tác hay kết nối với nấm.
Test Chuẩn Form 2025 Global Success 10+11 Giải Chi Tiết liên hệ Zalo O988-166-193 để mua ạ
Test Chuẩn Form 2025 Global Success 10+11 Giải Chi Tiết liên hệ Zalo O988-166-193 để mua ạ
Tạm Dịch: While some animals prefer solitude, others thrive in complex social networks, creating
fascinating communities in the wild. Trees team up with fungi to branch out their nutrient-sharing networks
beneath the forest floor. (Trong khi một số loài động vật thích sự cô độc, những loài khác lại phát tr...