步步高人教新课标高二英语必修 5 Unit 3 Life in the future导学案.doc

高中英语 必修 5 Unit 3 Life in the future 1. 学习单词，注意重点单词的用法并灵活运用这些单词。 2. 牢记核心单词的搭配及其重要用法。 重点：lack, tolerate, instant, switch, require 难点：lack作名词与动词的用法以及require虚拟语气的 【单词学习】 1. lack 　vi. vt.　缺乏；没有　n. 缺乏；短缺的东西 lack＋n.缺乏，缺少 lack for＋n.　(多用于否定句中)（不）乏，（不）缺少 for/through lack of ＋n. 因缺乏…… a lack of ＋n. 缺乏…… no lack of 不缺乏，不缺少 Living in the desert involves a lot of problems, of which the lack of water/lacking water is the worst. 居住在沙漠里牵涉很多问题,其中缺水是最严重的问题。 lacking adj. 短缺的；缺乏的 be lacking in… 缺少 She felt nervous, increasingly lacking in confidence about herself. 她感到紧张，对自己越来越没有信心。 She’s not usually lacking in confidence. 她平时并不缺乏自信心。 Health problems are closely connected with bad eating habits and a ________ of exercise. A. limit　　　　　　　　 B. lack C. need D. demand 答案：B 2. tolerate vt.容忍；忍受 tolerate sb./ sth.容忍某人、某事 tolerate (sb.) doing sth. 容忍/忍受(某人)做某事 At first my new surroundings were difficult to tolerate. 开始的时候,新的环境让我难以忍受。 Those who know how to tolerate others can naturally lead a happy life. 那些懂得容忍他人的人自然可以生活得幸福。 I can’t tolerate (you) speaking to your mother in such a rude manner. 我不容许你用这种无礼的方式跟你母亲说话。 I can’t tolerate being laughing at in front of so many people. 我无法忍受当着这么多人的面被嘲笑。 常见的表示“，忍受”其他结构： sb. / sth. 忍受；容忍 I can’t stand people interrupting me all the time. 我不能容忍老有人打岔。 I couldn’t bear not seeing him again. 我不能忍受再也见不到他。 ’t bear people smoking while he is eating. 他受不了有人在他吃东西的时候吸烟。She always puts up with his violent temper. 她总是忍受着暴躁的脾气。 Some old people don’t like pop music because they can’t ________ so much noise. A. concern B. tolerate C. undertake D. ignore 答案：B oncern“关注，关心，担忧”“承担，从事，保证，答应”ignore“忽视，不理睬” 3. instant 　n. 瞬间；片刻　adj.　立即的；立刻的 for an instant 一瞬间 in an instant?＝immediately?立刻 at that instant 在那一瞬间 in instant need of help 急需援助 instant food 方便食品，即时食品 instant coffee 速溶咖啡 He will come back in an instant. 他很快就回来。 e couldn’t answer the question for an instant. 他一时答不上来。In an instant, he took off his coat and jumped into the water. 他马