both 表示两者都, neither 表示两者都不。

both of/neither of 表示"两者都/都不"。例如：

They both are students.= Both of them are students. 他们两个都是学生。

The girls both like English.=Both of the girls like English. 这两个女孩都喜欢英语。

Neither of them is a doctor. 他们两个都不是医生。

练一练 2

5. There are lots of colorful on _______ sides of the streets.

A.each B.both C.either D.all

6. What are your parents?

They doctors.

A.are all B.are both C.all are D.both are

7. Li Lei and Li Ming black hair.

A.have both B.both have C.has both D.both has

一、 Both of them are doctors.(改为否定句）

_______ _______ them _______ a doctor.

讲一讲 3

Huang Lei isn't as good at tennis as Larry. 黄磊不如拉里擅长网球。

as...as 与······一样

not as/so...as 不如······

中间加形容词或副词的原级。例如：

He is as tall as Tom. 他跟汤姆一样高。

She isn't as outgoing as her sister. 她不如她的姐姐外向。

练一练3

9. Jim is twelve years old. Tim is twelve years old, too.(合并为同义句）

Jim is _______ _______ _______ Tim.

10. English is as easy as math.(改为否定句）

English _______ _______ ______ ________ _______math.

11. Write _______ and try not to make any mistakes.

　　A.as careful as possible B.more careful

　　C.most careful D.as carefully as you can

12. Do you think football is as _______ as basketball in America?

A.most popular B.the most popular C.more popular D. popular

13. This math problem is _______that one.

A.not so easy as B.more easy than C.as easier as D.easy than

讲一讲4

However,Larry is much less hard-working, so I always get better grades.

然而，拉里不如我用功，因此我总是取得更好的成绩。