15. ______________________ (开始的三个部分 )of the text are rather difficult for us beginners.

14. Is the Yellow River ___________________________(第二大河 )in China?

13. It will take me ____________________________( 一年半的时间) to finish the course.

12. There were fifteen presidents before Abraham Lincoln, so he was _____________ ( 第十六任)president.

11. The rice production has __________________________ (增加了 5.8%) this year.

10. About ______________________ ( 三千人)took part in the demonstration against the war on Iraq.

9．-Tell me where you live，please． -I live____________________(在和平路123号)．　 　　　　　

8．Mr Smith asked me to buy _____________(两打)eggs for the dinner．

5.The grain output of this year is ___________________ (高8%)than that of last year. 6._______________ ­­­(几百万)people in the world are sending information by E-mail every day.　 7．The hero of the story is an artist ____________________ (三十多岁)．　

4.The earth is ______________ (49倍)the size of the moon.