17. Both of the two rulers are broken. I want to buy a _______ one.

　　 A. three　　　　 B. third　　　　　 C. forth　　　　 D. /

16. Now children, turn to page ________ and look at the _______ picture in Lesson Two.

　　 A. twentieth, one　　 B. twenty, one　　 C. twentieth, first　　 D. twenty, first

15. --- What's one fourth and a half, do you know?

　　 --- Yes, it's _________.

　　 A. two sixths　　　　 B. three fourths　　　 C. one three　　　　 D. three sixth

14. There are _________ doctors and nurses working hard in that hospital.

　　 A. thousand　　　　 B. two thousand　　　　 C. two thousands　　　 D. two thousands of

13. ---How many teachers are there in your school?

　　 --- __________. , but I'm not sure.

　　 A. Hundreds　　　 B. Hundred　　　 C. Hundreds of　　　　 D. One hundred

12. There are _______ days in a year.

　　 A. three hundred sixty-five　　　　　　　 B. three hundred and sixty-five

　　 C. three hundred and sixty -five　　　　　 D. two hundreds and sixty-five

11．The water behind the Three Gorges Dams (三峡大坝) should be ______ higher than downstream( 下游)。

　　 A. sixty-five meter　　 B. sixty-fifth meter　　

　C. sixty-five meters　 D. sixty-fifth meters

10．There are ______ in this building , I live on ______.

　A. nine floors ,the ninth floor　　 B. nine floor, the ninth floor

　C. nine floor , nine floors　　　 D.ninth floor,the ninth floor

9．It is only _____ from my home to the train station.

　　 A. ten minutes walk　 B. ten-minutes walk　 C. ten minutes 's walk　 D. ten minutes' walk

8．This took place in the ______ .

　　 A. 1940　 B. 1940s　 C. 1940es　 D. 1940th