五个替代词one, ones, that, those, it 知多少？
⑴ one 替代前面提到过的人或物， 它所替代的是同名异物或人，它只能替代可数名词， eg.
I need a Chinese-English dictionary, and Peter lend me one.
one前可加this, that, each、冠词、物主代词或形容词；
The journalist's question is a difficult one.
这位记者的问题是一个难题。
⑵ ones是one的复数形式，ones不能单独使用，前面必须有限定词修饰时，才可使用。eg.
These books are easy, but those thick ones are rather difficult.
这些书容易读，但是那些厚的很难读。
⑶ that 替代带有of短语或相当于of短语的介词短语的可数名词或不可数名词，替代的是同名异物，不能替代人。
The population of Beijing is larger than that of Tianjin.
北京的人口比天津的（人口）多。
(4) those 是 that的复数形式。
(5) It用来替代的是同名同物，它可以替代可数和不可数名词，其复数形式是them。
I lost my pen yesterday and I haven't found it yet.
昨天我的钢笔丢了，现在还没找到它。
Have a try
1.—Have you heard of the accident about Lucy and her father？
—Accident？ No,I haven't . Tell me about_____.
A.it B.her C.him D.them
2.I'm moving to the country because the air there is much fresher than ________in the city.
A.ones B. one C. that D.those
3.Meeting my uncle after all these years was an unforgettable moment, ______ I will always treasure. A.that B.one C.what D.it
4.I like ______ in the autumn when the weather is clear and bright.
A.this B.that C.it D.one
5.－I like______ here?－0h,yes. The air, the weather,the way of life.Everything is so nice!
A. this B. these C. it D.that
6.Few pleasures can equal _____of a cool drink on a hot day.
A. some B. any C. that D. those
7.Cars do cause as some health problems--in fact for more serious______ than mobile phones do. A.one B.ones C.it D.those
8.Mr. Zhang gave the textbooks to all the pupils except ______ who had already taken them.
A. the ones B. ones C. some D. the others
9.I hope there are enough glasses for each guest to have _______.
A. it B. those C. them D. one
10.The population of China is larger than _____ of Japan.
A. this B. that C. those D. these
11.We needed a new cupboard for the kitchen. So Peter made _____ from some wood we had.
A. it B. one C. himself D. another
12.I'm moving to the countryside because the air there is much fresher than________ in the city.
A. ones B. one C. that D. those
13.We've been looking at the houses but haven't found _________ we like yet.
A．one B．ones C．it D．them
14.The information on the Internet gets around much more rapidly than ____ in the newspaper.
A. it B. those C. one D. that
参考答案
1.A 2.C 3.B 4.C 5.C 6.C 7.B 8.A 9.B 10.B 11.B 12.C 13.A 14.D
