1. The idea sounds fine in t , but would it

work in practice?

用适当的连接词填空。

   It is known 1. homework is an

important part of school life in most countries

around the world. However,2. . homework has a great educational value is still a debate among

teachers. Some think 3. homework takes too much time away from other more useful activities. Others see homework as reinforcing（加强) school lessons so that 4. students have learned will not be forgotten.

   5. is often ignored in this debate is the role of parental involvement(参与) and 6. or not the child’s home provides support for effective homework. It was not clear to some people 7. parental involvement can influence the effectiveness of homework. It is true 8. parents in low-income families don't have the time to make homework more important than other things or aren,t able to afford a computer or additional books.

  However,9. only middle-class parents support their children's education is quite obviously wrong. Not all rich parents give the support they should,and some parents living in the poorest conditions find time and energy to involve themselves in their children’s homework.

连接代词who, what, which引导主语从句时， 在从句中充当主语、宾语或等

whether意为“ _____ ”，不可以省略。

4. With five hungry children seated round the table,the

food disappeared .

3. We got to the hospital just to see the

newborn baby.

2. If the train is , it should arrive at three

o’ clock exactly.

用含time的短语的正确形式填空。

1. If you keep on trying,you will succeed .

[语境展示]阅读下面句子，并试着归纳in time的意思及用法。

1. He wants to see changes in the company and I am sure he will,in time.

2. Fred and Jim did not like each other at first,but in time they became friends.

3. The painting was successfully repaired in time for the opening of the exhibition.

4. If we don't hurry up,we won’ t be in time to catch the train.

[自我与纳]in time意为:①迟早，最后，终于(句1、句2) ;②

(常用于 in time for sth. / to do sth.结构) (句 3、句4) 。

4. Don’t disturb her; she (正在苦苦思索这个

问题) .