内容正文:
[基础性]
Ⅰ.用所给单词或it的适当形式填空
1.But it is the harbor that makes (make) the city.
2. It is hard to name a comedy star who hasn't been on the stage here.
3....so it is important to take careful notes during class.
4.This really excites scientists, because it means (mean) we have the chance to obtain information about how the moon is constructed.
5.Data about the moon's composition, such as how much ice and other treasures it contains, could help China decide whether its (it) plans for a future lunar(月球的)base are practical.
6.This house is beautiful with a garden.We really like it very much.
7.I'd appreciate it if you would like to teach me how to use the computer.
8.The doctor thought it better for you to have a holiday than to keep on working.
9. It never occurred to me that you could succeed in persuading him to change his mind.
10.Someone is ringing the doorbell.Go and see who it is.
11.It's no use complaining (complain) without taking action.
12.The soldiers feel it their duty to defend their motherland.
[应用性]
Ⅱ.语法与写作——用it结构完成句子
1. It is reported that there was a serious accident on that highway last weekend.
据报道,上周末那条高速公路上发生了一起严重的事故。
2. How far is it from your hometown to Beijing?
从你的家乡到北京有多远?
3. Keep it in mind that you must finish your task by this weekend.
记住,你必须在这个周末之前完成你的任务。
4.New technologies have made it possible to turn out new products faster at lower costs.
新技术使人们能够更快、更低成本地生产出新产品。
5. Believe it or not ,we'll make it sooner or later.
信不信由你,我们迟早会成功的。
6. It hit/struck/occurred to me that I had left my key in the taxi.
我突然想起我把钥匙忘在出租车上了。
[创新性]
Ⅲ.同义句转换(用it作形式主语)
1.We all knew that they had broken their promise.
→ It was known that they had broken their promise.
2.If you want to give up smoking in a short time,it will be difficult.
→ It is difficult to give up smoking in a short time.
3.Whether they'll go or not hasn't been decided.
→ It hasn't been decided whether they'll go or not.
4.Since you have spilt your milk,crying over it is useless.
→ It's useless/no use crying over spilt milk.
5.He has made up his mind.You needn't try to persuade him.
→ It's not necessary for you try to persuade him.
6.I got along well with my classmates,which made my parents glad.
→ It made my parents glad that I got along well with my classmates.
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