题目内容
6.Some scientists think that it may take ____________ years to make robots look like people,and do the same things as us.( )| A. | hundreds of | B. | two hundreds of | C. | two hundreds |
分析 一些科学家认为制造出看起来像人,像我们一样做同样的事的机器人需要花费数百年的时间.
解答 答案:A.hundred"百"的用法是:如果前面有具体的数字,就不能用复数,也不能加of,故排除BD;如果没有具体数字,就要用复数,并跟of,表示"数百的".故选A.
点评 本题就是要考查对hundred一类词的掌握情况,这样的词还有thousand、million、billion等.
练习册系列答案
相关题目
16.--What's_____ favorite subject?---It's P.E.( )
| A. | your friend | B. | your friends | C. | your friend's | D. | your friends' |
17.-What do you plan to do this weekend?
-I will go to the West Lake if it _______.( )
-I will go to the West Lake if it _______.( )
| A. | won't rain | B. | isn't raining | C. | doesn't rain |
1.-I have a pain in my back.-_____.You'd better see a doctor.( )
| A. | I'm sorry to hear that | B. | Nothing serious | ||
| C. | It doesn't matter |
15."____?""I need a postcard,please."( )
| A. | What do you want | B. | What do you do | ||
| C. | Can I help you | D. | What are you doing |
16.He was very___________after a long illness.( )
| A. | ill | B. | weak | C. | illness |