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100

Using __________ can help reduce the amount of carbon dioxide in the atmosphere. 

A) public transport           B) private vehicles 

C) logging                     D) farming

A) public transport

100

Many species are becoming __________ because their natural habitats are being destroyed.

 A) constant B) native C) endangered D) practical

C) endangered

100

Modern engineering helps to __________ new ways of traveling faster.

 A) destroy B) create C) damage D) prevent

B) create

100

Some people believe that hunting is __________ because it causes unnecessary pain to living things. 

A) natural B) cruel C) common D) major

B) cruel

100

If we don’t __________ to protect the oceans, the pollution will get worse.

A) cooperate      B) predict 

C) demonstrate  D) replace

A) cooperate

200

The increase in global warming __________ the melting of polar ice caps. 

A) due to B) leads to C) unless D) despite

B) leads to

200

New scientific studies __________ that cycling is much more eco-friendly than driving cars.

 A) affect    B) demonstrate  

C) survive   D) consider

B) demonstrate

200

Which word is a synonym for "to say what will happen in the future"? 

A) prevent B) require C) predict D) protect

C) predict

200

Many commuters prefer the subway because they want to avoid __________. 

A) destinations B) traffic congestion C) outskirts D) ecosystems

B) traffic congestion

200

The rainforests __________ a large amount of carbon dioxide every year.

 A) produce B) absorb C) pollute D) threaten

B) absorb

300

Domestic animals are much __________ to train than wild animals. 

A) easiest B) easy C) easier D) as easy

C) easier

300

The city council is looking for a way __________ can reduce traffic in the morning. 

A) who B) whose C) which D) where

C) which

300

The destruction of the ecosystem is largely __________ the use of harmful chemicals. 

A) results in B) leads to C) because  D) due to

D) due to

300

We will not save the species __________ we stop destroying the rainforest. 

A) unless  B) if C) because D) so

A) unless

300

The transit system in London is __________ more complex than the one in our small town. 

A) far B) as C) most D) more

A) far

400

Many people believe that the loss of biodiversity __________ a lack of strict laws. 

A) results from B) results in 

C) leads to       D) causes

A) results from

400

Experts __________ that air quality will improve if we reduce industrial waste.

 A) attempt B) predict C) consider D) cycle

B) predict

400

The rise in sea levels is a direct __________ of climate change.

 A) cause B) consequence C) trend D) issue

B) consequence

400

We must __________ the possibility that some species might not survive the next decade. 

A) consider B) connect C) create D) demonstrate

A) consider

400

Lack of __________ to clean water is a problem that leads to many diseases. 

A) access B) destination C) resident D) vehicle

A) access

500

There is a growing __________ towards using electric vehicles in urban areas.

 A) challenge B) farming C) logging D) trend

D) trend

500

The company’s failure to __________ with environmental laws resulted in a huge fine. 

A) cooperate B) contribute C) affect D) destroy

A) cooperate

500

High-speed trains provide a __________ solution for long-distance commuters. 

A) practical B) constant C) cruel D) native

A) practical

500

The project was cancelled __________ the high cost of construction. 

A) because      B) because of 

C) results in     D) leads to

 B) because of

500

__________ you provide enough food and shelter, the animals will remain in the area. 

A) Unless B) If C) Due to D) What

B) If

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