用括号内所给词的适当形式填空

1. He can sing English songs              (wonderful).

2. Notre Dame Cathedral is one of the most famous             (church).

3. We consider             (discuss) the questions at the meeting.

4. As we know, the train stations are very             (live) places.

5. The football match on TV last night was very            (thrill).

6. During the holidays, many mountains are              (tour).

7. Here are some             (find) of this meeting we discussed.

8. All of us think this is an             (education) book.

9. We'd like to go somewhere              (relax).

设计冒口时，在体积相同情况下，应尽量使冒口的散热表面积（）

A.最大

B.最小

C.不大不小

D.等于铸件热节面积的二分之一