21、 By late autumn Mediterranean islands have____, and can have rainy days.  

A. cooled off           B. worked out    C. broke off      D. got away  

20、Don’t let anyone get you into the habit of taking drugs. It is a terrible thing to take drugs ______.  

A. out of the habit  B. in habit   C. through habit   D. out of habit  

19、Martin Karplus of Harvard University touched on the issue at a conference ____ People in 1990.  

A. in terms of   B. in honor of     C. in charge of         D. in search of  

18、Due to circumstances ____ our control the performance has had to be cancelled.  

A. above         B. within                  C. beyond         D. over  

17、Today, just 5% remains of the original wooded land that ____ from the Atlantic to the Mississippi.  

A. stretched         B. spread    C. reached     D. expanded  

16、My dad gave me a ____ on the evils of alcohol last night.  

A. conference       B. lecture     C. meeting   D. discussion  

15、It was a difficult ____, but we finally decided that Hannah should have the prize.  

A. way   B. choice    C. possibility     D. selection  

14、

Men have created a social and economic position of ____ for themselves over women.  

A. benefit      B. force   C. disadvantage    D. weakness  

13、________________（你能控制你身体的动作） your body movement in the air is a decisive factor if you want to be a really good skateboarder.（can）  

二、选择题

（每空？ 分，共？ 分）

12、I do believe it is possible for different ethnic groups to ___________（和谐生活）. （harmony）