课时作业10　Lesson 2　Extreme Sports

　　Ⅰ.用所给词的正确形式填空

　　1．She very ________ (obvious) wanted to be left alone.

　　2．The ________ (similar) between Mars and the Earth were enough to keep alive hopes of some forms of Martian lives.

　　3．The captain was not willing to risk ________ (take) his ship through the straits until he could see where he was going.

　　4．He sent off copies to ________ (vary) people for them to read and make comments.

　　5．He knew how important a piece of ________ (equip) the radio was when he could get in touch with the outside world.

　　6．I can't stand ________ (study) in a noisy environment.

　　7．He was ________(extreme) sad.

　　8．On her ________(arrive), she got down to cleaning the yard.

　　9．The ________(organize) plays an important role in helping the poor.

　　10．He has a ________(prefer) for music, especially pop music.

　　答案

　　1．obviously　2.similarities　3.taking　4.various

　　5．equipment　6.studying　7.extremely

　　8．arrival　9.organization　10.preference

　　Ⅱ.单句语法填空

1．I decided to take ________ playing chess as a hobby.