21世纪大学英语综合教程第一册课后练习答案

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4. My friend agreed to ______________ my dog while I’m on vacation.

5. The students are planning a big party ________ their retiring(将退休的)teacher.

6. Human beings learned to ______ tools ______ stones thousands of years ago.

7. Don’t you think watching TV _______ up too much of your time? 8. A team _________ 15 doctors and 25 nurses was sent to the flooded area(水灾地区).

9. Translate the following sentences into English.

1. 你可以把信息转变成(transfer… into)由点、划组成的密码来使它保密。

2. 刀从她湿漉漉的手中滑落,扎伤了她脚边的小宠物 (pet)。 3. 选择10月1日,中华人民共和国的诞生日,作为国庆节是非常恰当的。

4. 在乡下度假时,我拍摄了一些美丽的建筑物的照片,比如这所公立学校和它旁边的小教堂。

5. 创造的愿望是十分重要的。如果我们只是模仿,那就很难发展新事物了。

6. 消息在传达给军官之前就在士兵中间传开了。 Unit 3

5. Fill in the blanks with the words given below. Change the forms where necessary.

tend everyday business reflect greet forgive reason path remind grateful pride judge 1. I need some time alone to ______ on what has just happened. 2. He has a _______ to hate her because she is responsible for him losing his job.

3. It was a difficult __________ getting everything ready in time. 4. When I was a child, my parents always told me that hard work is the only ______ to success.

5. Thank you for _________ me that someone is waiting for me in the office.

6. People like this film because it is about their _________ life. 7. I ______ you this time, but please don’t let it happen again. 8. She _____to spend too much time playing computer games. 9. I am _______to my parents for all that they have done for me. 10. I can’t _____ whether he was right or wrong, so I have to ask someone else.

11. I was filled with _____ after I achieved great success through hard work.

12. He ________ me in the street with a friendly wave of the hand. 6. Fill in the blanks with the expressions given below. Change the forms where necessary.

be (get) caught up in on the occasion of feel free to do sth. walk down to the point be in charge give a hand be on one’s own look back go hungry 1. He didn’t speak for long, but everything he said was __________. 2. With no one taking care of him, the boy had to __________ after his father’s death.

3. He is welcome everywhere, for he is ready to __________ to anyone in need.

4. When I ________, I still remember my high school days which were among the happiest in my life.

5. This was given to me as a present _____________ my graduation from high school.

6. Many people in the world have more than enough to eat, but many others often _________.

7. Last night the man drank too much and __________ the street shooting (射击) his gun into the air.

8. In my family my parents are like our friends, so we _______ to ask them any questions.

9. The monitor (班长) _________ when the teacher leaves the classroom.

10. Bob knew that one day he would ___________ in the war, like all his friends.

8. Translate the following sentences into English. 1. 回首往事,他对父母充满了感激之情。

2. 母亲从来不忘记提醒我她是家里的主管,而且每当需要她时,她总会助我一臂之力。

3. 这个小男孩独自一人时往往会挨饿,因为他不会做饭。 4. 在母亲的生日之际,我请母亲原谅我因常常被日常事务缠住而忘记对她说一声“谢谢你”。

5. 学生都很喜欢这位年轻老师,因为她不仅言传身教,而且说话温和而中肯。 Unit 4

5. Fill in the blanks with the words given below. Change the forms where necessary.

actually energy entire require secret separate skilled special speed increase position

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