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2.定语从句必须有先行词，并尽量靠近先行
词。
3.在定语从句中，关系词在从句中充当成
分。
关系代词
指人: who(主格，宾格)
指物: which(主格，宾格)
指人或物: that
1.I know the boy. He can speak English well.
I know the boy who/that can speak English well.
2.Mary bought a little bird. It was very pretty.
Mary bought a little bird that/which was very
pretty.
3.The season is summer. It comes after spring.
The season is summer which/that comes after
spring.
4.I know the boy. You are looking for him.
I know the boy who/that you are looking for.
Change the following sentences into attributive clause.
Functions
Computers help us at work and at home, but they must be used properly.
The Internet is making the world smaller, like a village.
There is no doubt that computers are very useful in technology and business.
It proves that China has made great progress in its space industry.
All of you must be very proud.
Fill in the blanks.
1. It ______(prove) that China has made great progress in its space industry.
2. They spent 2.5 hours __________ (explore) and collecting soil and rocks to take back to earth.
3. I advise you to discover new ways to make computers _______(serve) us better.
4. The whole world is ________(connect) by the Internet.