1 . 听下面一段独白，回答以下小题。
1. Why do animals evolve to have long body parts?

A．To detect potential danger in cold places.

B．To generate more heat within their bodies.

C．To keep their babies warm in breeding seasons.

D．To get rid of extra heat with bigger skin surface.

2. Which of the following species is likely to grow longer tails?

A．Wood mice.	B．Bats in warm climates.
C．Bird species.	D．Kangaroos in Australia.

3. What is the passage mainly about?

A．Animals cope with body changes.	B．Joel Allen’s rule is out of date.
C．Climate change poses threat to species.	D．Animals adapt to a warmer world.

2 .

A．The air will be cleaner if they go to another city.

B．It'll soon be too late to control the pollution.

C．Society will not pay attention to the new laws.

D．The situation will improve if changes are made.

3 . 听下面一段独白,回答以下小题。
1.

A．The rewards of taking care of living things.

B．The chances to develop new farming technologies.

C．The opportunities to have another source of income.

D．The experience of a harsh and unsettling winter.

2.

A．Mushrooms.

B．Windows.

C．Tomatoes.

D．Growing lights.

3.

A．Because some of its employees came down with Covid-19.

B．Because planting on social medial has gone viral.

C．Because the growing demands for seeds couldn’t be satisfied.

D．Because the rise of indoor gardening had driven up operational costs.

4 . 听下面一段独白,回答以下小题。
1.

A．Because they track human activities through the agency of sound.

B．Because sound helps them locate food and avoid danger.

C．Because they use sound to stay away from offshore construction.

D．Because they take advantage of sound to find living creatures.

2.

A．Noise pollution.

B．Plastics.

C．Overfishing.

D．Light pollution.

3.

A．Humans are making oceans too noisy.

B．Masking is a helpful to the existence of marine animals.

C．Sound travels very far underwater.

D．Noise from humans threatens marine animals.