Unit 13

重点、难点练习题

1．　A　２．　D　３．　C　４．　A　５．　D

全方位单元综合练习题

Ⅰ. １．　C　２．　D　３．　D　４．　D　５．　C

Ⅱ. 1. on March 14th, 1879　2. used to ask lots of questions3. by the time he was14 years old　4. find it hard to get along with the other boys.　5. 热心于做　6. 当教师　7. 继续学业　

8.受到世界好评　9. 要很少的钱财　10. 据说

Ⅲ. １．　A　２．　C　３．　F　４．　D　５．　B

Ⅳ. １．ruled　２．was　３，it　４．taken　５．destroyed　６．wrote７．were　８．meant　９．left

Ⅴ. １．　B　２．　C　３．　B　４．　B　５．　D　６．　B　７．　C　８．　A　９．　D　１０．　C　１１．　A　１２．　A　１３．　C　１４．　D　１５．　B　

Ⅵ. １．　B　２．　D　３．　C　４．　B

Ⅶ. straight, appeared, discovery, difficulty, scientific

Ⅷ. 1. What　2. whether　3. what　4. was　5. was

Ⅸ. 　１．　A　２．　A　３．　B　４．　C　５．　D　６．　B　７．　A　８．　C　９．　D１０．　B