20.-Would you please find a world map which is drawn to a scale of 　　　　　　　　　　　.

-Yes,sir.Here you are.

A.one out of ten thousand　　　 B.one in ten thousands

C.one to ten thousand　　　　　 D.one of ten thousands

19. __________ people in the world are sending information by E-mail every day.

A.Tens of thousands of　 B. Ten thousands of　　 C. Several millions　　 D. Many million

18. ___________ of the land in the district _______ covered with trees and grass.

A. Two fifth; is　　　　　 B. Two fifth; are　　　 C. Two fifths; is　　　 D. Two fifths, are

17.You can have _________　　　 try if you fail _______　　 _ time.

A.the second,the first　　　 B.a second,a first　　　 C.the second,a first　 D.a second,the first

16.-How many pencils would you like,Madame?

-Well,I want_________of these.

A.three dozen　　　　　　 B.three dozen of　　　 C.three dozens　　　　 D.three dozens of

15.In 1948, the place where his father had been buried was finally discovered, marked only by _____, on a simple stone.

A, a 43-number　　　　　 B, the number 43^rd 　　C, the number 43　　　 D, the 43 number

14.-What kind of person do you want to help you?

-______ always trying his best and never giving up in time of difficulty.

A.That　　　 　　　　　　　 B.The one　　　　　 C.One　　　　　　　 D.Such

13.-I wonder why the couple often eat out?

-Oh,it is sai that_________of them can cook.

A.none　　　　　　　 B.not both　　　　her　　　　　　 D.not all

12.Don’t worry.______ and we will complete the task you assigned to us.

A. Another hour　　　 B. An hour later　　 C. After an hour　　　 D. In an hour

11.-Have you heard of this new brand of computer, Mike?

-Yes, of course, and I’ve decided to buy ___　　 .

A. it　　　　　　　　 B. one　　　　　　 C. this　　　　　　　 D. that