In the second quarter of this year,our production was only one-third ( ) of the same period of last

题目

In the second quarter of this year,our production was only one-third ( ) of the same period of last year due to the global financial crisis.
A.the amount B.less than C.as little D.as little as
Once you ( ) the skill of skiing,you won't fear the high speed so much.
A.grasped B.grasps C.have grasped D.will grasp
附上理由,

答案

由于全球金融危机,我们今年的第二季度的产量是去年同期的1/3.
选A,the amount of有的,BCD带进去都不通的.
一旦你掌握了技巧,你就不会这样害怕高速了.
选C,要表示“已经掌握”就要完成式.
B,单数,排除；D,将来的,排除；A,也不对.