Unit 1 Words and expressions 单词导学案 高中英语人教版（2019）选择性必修第二册.docx

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1、第一学期高二级英语导学案Book 5 unit 1第1课时 Words课前预习案和课中探究案【自主学习一】听录音，跟读单词。【自主学习二】根据句子语境,理解句子的意思，掌握词性变化和搭配，并完成练习1. These policies could cause severe economic and social dislocation. Those responsible for this crime will be severely punished.2. What frustrates him is that theres too little money to spend on the p

2、roject. The current situation is very frustrating for us.When things go wrong, all of us naturally feel disappointed and frustrated.I was close to tears with frustration, but I held back. 3. The election proved to be a near disaster for the party.These results are a further proof of his outstanding

3、ability.4. Anyone with a bad cold may infect the people around him. Those suffering from infectious diseases were separated from the other patients. The risk of infection is appreciably higher among children. 5. ThesecattleareoneofthepurestbreedsinBritain.Water can be purified by boiling for five mi

4、nutes. 6. The price of wheat has decreased by 15%. The population has increased from 1.2 million to 1.8 million. 7. Solar energy can be transformed into power.There was a noticeable transformation in his appearance. 8. The celebrations often have a patriotic mood. He was a country boy who had joined

5、 the army out of a sense of patriotism and adventure.9. She spoke mechanically, as if thinking of something else. The mechanic was wearing a pair of blue overalls. 10. All our officers are trained to defend themselves against knife attacks. The body has natural defence mechanisms to protect it from

6、disease. Troops took up a defensive position around the town.11. The public is urgently requested to assist police in tracing this man.She offered me practical assistance with my research. She worked as a secretary, or rather, a personal assistant. 12. It vividly tells a real story about contemporar

7、y rural life in China. I have a vivid picture of my grandfather smiling down at me when I was very small. 【自主学习三】根据句子语境,理解划线词组(词块)的意思，并口头翻译句子。1. Dark clouds were gathering in the skies over Europe. War was soon to break out.2. He was the officer in charge of operations. 3. It is thanks to this commi

8、ttee that many new sponsors have come forward 4. Its amazing how much computers have come down in price over the past few years. 5. Nobody is quite sure, but poor diet and above all long-time alcoholism have much to do with it6. The authorities no longer subscribe to the view that disabled people ar

9、e unsuitable as teachers.7. We have to resolve this matter once and for all. 【课堂探究一】词形变化：按要求填相应的单词，并在括号内填写中文意思(要求不看单词表，检测自己，注意词形变化，掌握和总结规律。)1. _ adj. 极为恶劣的；严厉的_ adv.十分严重地；严峻地2. _ vt.使懊恼_adj.令人沮丧的_ adj.懊恼的，失意的_ n.懊恼，失意,灰心3. _ vt.证明 link v.证明是_ n.证据；证明；检验4. _ vt.使传染；感染_ adj.传染的_ n.传染5. _ adj. 干净的，纯的，纯

10、粹的_ v. 净化6. _ v. 减少；降低_ v.（反义词）增加，增强7. _ v. 改变，转变_ n. 转变，改变8. _ adj. 爱国的_ adv. 爱国地_ n. 爱国主义9. _ adj. 机械的_ adv. 机械地，呆板地_ n. 机械师10. _ v. 保卫，辩解_ n. 防御，防卫_ adj.自卫的11. _ v. 帮助，参加_ n. 助理，助手_ n. 援助，帮助12. _ n. 礼物，天赋_ adj. 有天赋的13. _ adj. 稳定的，平稳的_ adv. 稳定地；稳固地14. _ n. 天文学_ n. 天文学家15. _ adj .生动的_ adv. 生动地【课堂探究

11、二】总结并写出下面短语1.最终地；彻底地_2.同意；赞同_3.幸亏；由于_4.(战争、打斗等不愉快的事情)突然开始；爆发_5.主管；掌管_6.患(病)；染上(小病)_7.最重要的是；尤其是_12. break的短语搭配:break in强行进入；打断break through 突破；冲破break up 破碎；解散；（关系等）破裂break off 断开；中断；停顿break away from 逃脱；脱离break into 强行闯入；突然开始break down （机器等）出故障；（身体等）垮掉;分解；（计划等）失败；（感情）失控13. come的短语搭配:come true 实现，成真;

12、 come from 来自; 出生于; come back回来; 记起; come out 出现; 出版; come into 进入; 得到;come on v. 快点; 开始; 要求; come up 走近;come in 进来; 到达 come here 来这里come up with 提出; 想出; 赶上come down 下来，降落;流传下来;倒塌;落泊，失势【知识补充】第 4 页 共 4 页学科网（北京）股份有限公司学科网（北京）股份有限公司学科网（北京）股份有限公司学科网（北京）股份有限公司学科网（北京）股份有限公司学科网（北京）股份有限公司1. be infected with

13、被感染2. suspect sb. of (doing) sth.怀疑某人（做）某事3. blame sb. for sth. 因而指责某人blame sth. on sb. 把某事归咎于某人be to blame for sth. 因该受责备(主动表被动)bear/take the blame for sth. 对某事承担责任put/lay the blame on sb. 怪罪某人4. link.to/with. 将和联系或连接起来5. (1)decrease by减少了decrease (from .) to (从)减少到decrease in 在某方面降低(2)on the decre

14、ase 在下降；在减少a decrease in sth 某方面的减少/下降6. transform.into. 使变成transform.from.into. 把从变成7. defend.from/against . 保护免受defend oneself 为自己辩护；自卫defence n. 防御；保卫in defence (of) 保护；为了保卫；(为)辩护in ones defence 为某人辩护8. (1)in the charge of. 由来负责；被掌管take charge of. 负责；看管(表动作)free of charge. 免费（=for free）(2)charge (sb) for sth (向某人)要价charge sb with (doing) sth 指控某人(做)某事9. assist sb. with sth. 帮助做assist sb. to do sth.assist sb. in doing sth.10. have a gift/talent for 有的天赋11. find fault with sb. 挑剔，抱怨，找茬