现代大学英语听力1原文及答案

Task 4

【答案】

1) The mayfly. A few hours.

2) They just do two things: finding a mate and producing young.

3) We could judge by its growth rings.

4) It was kept for 152 years.

Task 5

【答案】

A.

People have different opinions on using animals for research.

B.

1) for

a. was tried first on animals.

b. is dependent on

c. using unwanted animals.

2) against

a. suffer

b. unnecessary

c. the same rights

3)

a. cell culture

b. computer modeling.

Task 6

【答案】

A.

1) No.

2) Because zoo officials want him to produce cubs w ith another female tiger, so they don’t want him to become too interested in this family.

B.

1) four months

2) 13 kilograms

3) horse meat, their mother’s milk.

4) the National Zoo’s Website

C.

1) c, 2) c, 3) b

Task 7

【答案】

A.

1) Cats have been more popular, because there are more pet cats in American homes.

2) About 8,000 years

3) They probably arrived in the United States from Europe.

4) No.

B.

1)

a) food especially prepared for cats

b) other equipment

c) with images of cats

d) in special burial grounds

2)

a) pleasure

b) care

c) being alone

d) independent

C.

1) F, 2) F, 3) T, 4) F, 5) F

Task 8

【答案】

Little Steve has a pet rabbit, Bunny. He plays with it every day after school. One day his mother sees that her little boy is holding Bunny by the ears. From time to time he gives the poor rabbit an angry shake and says: ―How much is two plus two?‖

―Steve,‖ says his mother, ―Why do you treat your poor little Bunny that way?‖

―Well,‖ explains Steve angrily, ―Our teacher says that rabbits multiply very quickly, but this dummy can’t even add.‖

Task 9

【答案】

Most mammals live on land, but not all of them. Millions of years ago, some mammals went back to the sea and lived there. The legs of these animals disappeared, and after a long time they looked like fish. These animals became whales and dolphins.

Whales and dolphins are still like other mammals in many ways. They are warm-blooded and they breathe air. They also have big brains. That is why they are more intelligent than fish. Whales have the biggest brains in the world. Their brain is bigger than the brain of a human being.

Unit 3

Task 1

【答案】

1) Her hobby is sky-diving. She jumps from an aeroplane and falls through the air. She opens her parachute only when she is very close to the ground.

2) He wants to organize a band.

3) To win.

Task 2

【答案】

A.

1) F, 2) F, 3) T, 4) T

B.

She was taught where to sit in the aeroplane, how to jump out, how to guide the parachute, and how to land safely on the ground.

Task 3