Unit 7 Teenagers should be allowed to choose their own clothes.Section B (2a~2e) 课时作业（含答案）

Unit 7 Section B (2a~2e)
【基础性作业】
一、将下列句子变为被动语态
1.They clean their classroom every day.
2.I repaired Jenny's bicycle last Sunday.
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3.The students should do their homework every day.
4.The teacher should allow Anna to finish the picture by the teacher.
5.Tom gave Lily a flower last night.
【拓展性作业】
二、用方框内所给短语的适当形式填空
worry about　get in the way of　grow up　make a choice　agree with
6.Bad habits can 　 　 the students' schoolwork.
7.Helen is an excellent student. Her parents don't 　 　 her.
8.What do you want to be when you 　 　
9.Do you know how many students in your group 　 　 you
10.I have 　 　, so don't mention it any more.
【综合性作业】
三、阅读理解(六选五)
　　In the early days of American West, life was difficult. People lived on farms away from other families. 11.　 　 Then they saw their friends and neighbors there. On their farms everyone had lots of work to do. There were some big jobs, and one of them was to build a house.
What did families do to build houses They asked for help. 12.　 　 Women cooked together when men worked on the building. For children, it was like a holiday. There were many children whom they could play with. They enjoyed this form very much. Together these people built a house. At other times the family with the new house would help their neighbors, too. They helped each other for the good of everyone.
A work group is really cooperative. To cooperate means “to work together”. A big job can be easy because of cooperation. Many people can work together.13.　 　 It will become a small job for many workers.
Today, there isn't much cooperation. People don't work together very often. 14.　 　 How can they ask them for help
Now, we help others only when they have emergencies (紧急情况) or accidents. We call the police for help, we talk to our neighbors, and then we become true neighbors and friends.
Why not cooperate with each other Why not work with other people You'd better not wait for emergencies or accidents. 15.　 　
A.So some people don't know their neighbors.
B.They went into town once a week or once a month.
C.If you always work with others, it can be fun, and life can become easier, too.
D.They asked their friends and neighbors, and invited them to a work group for a few days.
E.Then the job will not be difficult.
F.American life was fun in the past.2
参考答案
Section B (2a~2e)
基础性作业
1.Their classroom is cleaned by them every day.
2.Jenny's bicycle was repaired (by me) last Sunday.
3.Their homework should be done by the students every day.
4.Anna should be allowed to finish the picture by the teacher.
5.A flower was given to Lily by Tom last night.
Lily was given a flower by Tom last night.
拓展性作业
6.get in the way of　7.worry about　8.grow up
9.agree with　10.made a choice
综合性作业
11~15　BDEAC