3 . 词性转换
1. ________adj.方便的；近便的→________ n．方便→________ adj.不方便的
2. ________adj.卡住；陷入；困于→________ vt.& vi.卡住；阻塞
3. ________n．居民；(美国的)住院医生　adj.(在某地)居住的→________ adj.适合居住的；住宅的
4. ________n．现金；金钱→________ n．收银员；收银台
5. ________adj.让人难堪(尴尬；害羞)的→________ n．尴尬→________ adj.感到尴尬的
6. ________vt.使烦恼；使生气；搅乱→________ 过去式→________ 过去分词→________ 现在分词
7. ________adj.特定的；特别的；讲究的→________ adv.特别；尤其
8. ________adj.粗鲁的；无礼的→________ adv.粗鲁地→________ n．粗鲁
9. ________n．隐私；私密→________ adj.秘密的→________ adv.秘密地
10. ________vt.给……下定义；界定；解释→________ n．定义

10 . 选词填空

work out；now and then；fall apart；rather than； be responsible for give up；in the open air；on hand；take control of；be made up of

1. They had to sleep ___________ after their houses were destroyed in the earthquake.
2. Losing games taught him to practise harder and never___________.
3. The police rushed there and ___________ the situation.
4. Always have your dictionary ___________ when you study.
5. Even if he is very busy, he will ___________ in the gym three times a week to keep healthy.
6. My grandfather still plays tennis ___________ even though he’s in his seventies.
7. It is a shame that their friendship finally ___________ and they became enemies.
8. The mountain village I visited last week ___________ 30 families belonging to five nationalities.
9. You should prefer to work harder to solve the problem ___________ give up.
10. We have to study harder as senior high school students and get used to __________ a lot more.