实用综合教程(第二版)1-Unit_2__课后答案

5. What have been the themes of China’s Earth Day?

Key: Protection of geographic relics and scientific development and sustainable use of natural resources in China and all over the world.

B. Read the sentences below and decide if they are true or false according to the text. Write T for true or F for false.

1. When Earth Day was founded, it was only celebrated in the US.

2. In 1972 Earth Day was made an international celebration by the UN.

3. Earth Day reminds people of their responsibility for the common planet they share.

4. The ringing of peace bells on Earth Day is practiced only in the West.

5. In Kenya children plant trees on every Earth Day.

Key: 1. T 2. F 3. T 4. F 5. F

Comprehensive Exercises

A. Choose the best answer.

(C)1. ________ the help of the guide dog, the old man ________ his son a visit.

A. Under; spent B. With; took

C. With; paid D. Under; showed

(A)2. Because ________ bad weather we had to have our physical education class in the classroom.

A. of B. it was

C. of the D. the

(C)3. I often dream ________ my old friends.

A. to see B. seeing

C. of seeing D. at seeing

(C)4. ________ the end they succeeded in finishing the task ________ the end of June.

A. At; at B. In; in

C. In; at D. At; in

(C)5. Can you translate the passage ________ English?

A. with B. from

C. into D. by

(D)6. We couldn’t help ________ when we heard the hero’s story.

A. moving B. to move

C. to be moved D. being moved

(A)7. Please pay twenty dollars for these, the dictionary ________.

A. included B. were included

C. include D. including

(A)8. When he became a famous poet he was ________ his early thirties.

A. in B. at

C. after D. from

(D)9. You ________ not smoke here. This is a public place.