内容正文:
选择性必修2 Unit 1 词块积累及练习
一、词性转换
1. _____________ adj. 极其恶劣的;十分严重的;严厉的→_____________adv. 严重地;严厉地
2. _____________ vt.使懊恼;使沮丧→_____________ adj. 懊恼的;沮丧的;失意的→_____________ n.懊恼;沮丧
3. _____________ vt.使感染;传染→_____________ n.感染;传染
4. _____________ adj. 最初的;开始的;第一的→_____________ adv.最初;起初
5. _____________ n. 机械师;机械修理工→_____________ adj.机械的;发动机的;机器的
6. _____________ vt. 保卫;防守;辩解→_____________ n. 防御;保卫
7. _____________ vt.帮助;援助→_____________ n. 助理;助手→_____________ n.帮助;援助
8. _____________ n. 领导者,领袖→_____________ n.领导;领导地位;领导才能
9. _____________ n. 礼物;天赋→_____________adj.有天赋的;有天才的;天资聪慧的
10. _____________ adj. 稳定的;平稳的;稳步的→_____________ adv. 稳定地;平稳地
11. _____________ n. 天文学→_____________ n. 天文学家
12. _____________n.弱点;过错→_____________ adj.不完美的;有缺陷的
13. _____________ adj.生动的;鲜明的;丰富的→_____________ adv.生动地;鲜明地
二、根据括号内所给单词的词性及英文释义,写出该单词的正确形式。
1. This is a school for children with ________ learning difficulties. (adj. very serious)
2. If anyone needs ________ of Professor Qiao's genius as an inventor, this invention is it. (n. a fact or piece of information which shows that something exists or is true)
3. We made ________ copies of the report. (adj. very many of the same type, or of different types)
4. A growing number of ________ have at least one computer. (n. all the people who live together in one house)
5. We would resist any armed ________ from outside in our country's affairs. (n. the act of intervening in a situation)
6. Oil is an important ________ material which can be processed into many different products, including plastics. (adj. not processed)
7. We had trouble finding a(n) ________ water supply. (adj. clean and not containing anything harmful)
8. According to official ________ the disease killed over 500 people. (n. a collection of information shown in numbers)
9. Abnormalities in the cells can be seen quite clearly under a(n) ________. (n. a scientific instrument that makes extremely small things look larger)
二、词块翻译
1. once and for all _______________
2. subscribe to