8.　　　 Plastics and rubber give off p______ gases when they are burned.

7.　　　 Mary tried to p______ her father to give up smoking, but she failed.

6.　　　 A______ is a continent which is the coldest and the most difficult to reach.

5.　　　 Sports and games help to build up our bodies and c______ as well.

4.　　　 The two men lived s______ from each other.

3.　　　 As I entered late, he looked at me kindly without s______ me.

2.　　　 Being kind and knowledgeable, the new teacher soon became p______ among the students.

1.　　　 Susan’s m______ to John Smith was not welcomed by his family.

10.　　 The students saw lots of works of art at the e______.

十一。

9.　　　　 Without quantity there can be no q______. Is that so?