高中英语选修八unit2课件.ppt

1. differ vi. 不一致, 不同, 相异, 不同意, 意见相左 常见的搭配有： A and B differ in … A differs from B sb differ from/ with sb on/ about / over /upon sth 拓展 different adj. difference n. be different from 与…不同 make no difference to sb. make a difference 对…没有影响 起作用,产生影响 现代飞机跟早期的在很多方面有所不同。 Modern airplanes differ from early ones. 对于如何解决问题, 我跟他的意见不一致。 I differ with him on how to solve the problem. 即时练习： 用介词 from, with, on, about, upon 或 in 填空。 (1) We differ _________ him _________ _____ that question. (2) The two nations differ ______ culture and religion. (3) The climate here differ ___________ that of the South. from/with on/about/ upon / over in from/ with 2. exact a. 精确的，准确的，精密的，严谨的 her exact age an exact thinker We need exact instruments. exactly ad. 精确地，准确地，确切地；(答语，表示赞同或强调正确）的确如此，正是 真题再现 （2008四川）--I think Tracy needs to find herself a new job. -- . This is what we have been talking about. Exactly B. Cheer up C. Please do D. Really 3. pay off 带来好结果，取得成功 pay sth. off 付清，偿清 pay sb. off 付清工资解雇（某人） 他的计划成功了吗？ Did his plan pay off? 他们三年才还清债务。 It took them three years to pay off the debt. 4. undertake vt.实施，从事，着手做，承担, 担任, 许诺, 保证，采取,答应 undertake sth 承担某事 ~ a task/ project 承担一个任务/项目 undertake to do sth 许诺做某事/ 同意做某事 undertake that …保证… 我愿意承接这项变革的责任。 I can undertake the responsibility for the changes. 他许诺当我们的向导. He undertook to be our guide . 这个过程很难实施。 The procedure is difficult to undertake. 即时练习：完成下列句子。 (1) He will ___________________ next month (去旅行). (2) He ______________________ (承担了一项新任务). undertook a new task undertake a journey 我不能保证我能按时做完它. I can’t undertake you that Ill finish it on time . 5. disturb vt. 扰乱, 使不安, 弄乱 disturbed adj. 被扰乱的, 烦恼的, 不安的 disturbing adj. 令人不安的 / 引起烦恼的 即时练习： 用disturb, disturbing, disturbed填空。 (1) I’m very __________ about Alice. (2) Don’t _________ the papers on my desk. (3) This country is in a ____________ state. (4) What ____________ news it is! (5) A light win