Unit16

一．根据首字母完成单词：

1．    The researchers are making e________ on rats.

2．    How do you p_____ that he is a robber?

3．    How much do you c_______ for a haircut?

4．    The a_____ of booking ticket in advance is that you can get better seats.

5．    Her mother’s death came as a s_______ --------it was so unexpected.

6．    There is a traffic jam, he has to turn off the car's e______ and waited.

7．    After he became rich, he lived a life of c________.

8．    Is it really necessary to c________ experiments on animals?

9．    At first I thought he was a bit shy, but I’ve come to the c____ that he was

simply unfriendly!

10．Be careful! The knife is s________.

二．方框选词填空