2016届高考英语二轮秒杀高中英语重点系列：重点15 无人称代词it的用法

　　指代时间、距离、自然现象等

　　例句：

　　It’s a lovely day isn’t it?

　　It was very cold today.

　　It’s a long way to go.

　　What time is it ? It’ s half past eleven.

　　指代前面所提到的人或事物，或指代说话双方都熟悉的人、婴儿等。

　　例句：

　　Who is knocking at the door?

　　It’s me.

　　Sorry I am late again . It doesn’t matter.

　　Thank you. Don’t mention it.

　　3) 作形式主语或形式宾语，而把真正的主语或宾语放在后面，真正的主语或宾语往往是从句，动名词、不定式等。例如：

　　例句：

　　He found it not easy to learn a foreign language well.

　　We think it no good reading in bed.

　　I think it necessary that we have a meeting.

　　It is said that all of them have gone to the cinema.

　　It is no use trying to persuade him.

　　It is well-known that China has the largest population in the world.

　　4) it 用于虚指，尤其是表示喜好、憎恶的动词，如;enjoy, like, love, dislike, hate,

　　see to后，即这些动词后面的宾语从句前要加 it.

　　例句：

　　I hate it when people speak with their mouth full.

　　I will appreciate it if you can help me.

　　Please see to it that you bring enough money when you go out.

　　练习：

　　1)Do you like _______ here? Oh ,yes. The air, the weather, the way of life. Everything is so nice.

　　A. this

　　B. these

　　C. that

　　D. it

　　2) I prefer a flat in Inverness to ______ in Perth, because I want to live near my Mom’s.

　　A. one

　　B. that

　　C. it

　　D. this

　　3)______ is our belief that improvements in health care will lead to a stronger, more prosperous economy.

　　A. As

　　B. That

　　C. This

　　D. It（浙江）

　　4) Cars do cause us some health problems___ in fact far more serious ______ than mobile phones do.

　　A. one

　　B. ones

　　C. it

　　D. those