—How many girls are there in your school?  —______________. I think.

A. Two third                           B. Two thirds                  C. Second third

 

 Nowdays      of business letters are written in English.

  A. two third    B. two thirds   C. two three    C. second three

完形填空（共15小题；每小题1分，计15分）

阅读下列短文，从文后各题所给的四个选项中选出一个最佳答案。

Do you know how to study __1__ and make your study more effective (有效的)?　We all know that Chinese students usually study very hard for long　__2__, This is very good ,but it doesn’t__3__a lot ,for an effective student must have enough sleep ,enough food and enough rest and __4__. Every day you need to go out for a walk or visit some friends or some nice places. It’s good for your__5__.

When you return __6__your studies, your mind will be refreshed(清醒)and you’ll learn more__7__study better. Psychologists (心理学家)　__8__ that learning takes place this way. Here take English learning __9__ an example. First you make a lot of progress（进步）and you feel happy. __10__ your language study seems to stay the same. So you will think you’re learning nothing and you may give __11_. This can last for days or even weeks, yet you __12__ give up, and at some point your language study will again take another big __13__. You’ll see that you really have been learning all along. If you get enough sleep, food, rest and exercise, studying English can be very effective and __14_ . Don’t give up along the way. Learn __15__ ,you are sure to get a good result(结果).

1.                A．well           B．better          C．good     D．best

 

2.                A．days           B．time           C．hours    D．weeks

 

3.                A．help           B．give            C．make D．take

 

4.                A．exercise        B．homework       C．running   D．clothes

 

5.                A．health          B．body           C．study     D．life

 

6.                A．after           B．for             C．at   D．to

 

7.                A．yet            B．and            C．or   D．but

 

8.                A．found          B．taught          C．told D．said

 

9.                A．with           B．for             C．as   D．to

 

10.               A．Third          B．Secondly        C．Last D．Then

 

11.               A．in             B．out            C．up   D．off

 

12.               A．mustn’t       B．couldn’t       C．needn’t D．may not

 

13.               A．work           B．jump           C．walk D．result

 

14.               A．hard           B．common        C．possible   D．interesting

 

15.               A．slowly          B．fast            C．quickly    D．happily

 

 

Nowdays      of business letters are written in English.

  A. two third    B. two thirds   C. two three    C. second three

 

Nowadays            of business letters are written in English.？ 

A. two-third          B. two-thirds      C. two-three          D. two-threes