高考英语总复习 Unit 2 Cloning教学案 新人教版选修8-新人教版高三选修8英语教学案

Unit 2 CloningStep 1 课前准备——单元考点 自查自测1.词汇分层级识记过关 2.语境活用填写过关 3.经典句式背诵仿写过关 4.类词巧积累事半功倍(一)分门别类攻单词——识形辨意·拓展应用(二)写用结合记短语——译写短语·语境活用(三)仿写活用练句式——经典句型·仿写背诵Step 2 课堂探究——核心考点 点点突破1.重点难点考点学通练透 2.归纳总结拓展开阔视野 3.方法规律技巧权威点拨 4.面面俱到打创高效课堂第一时段 Warming up & Reading1．differ vi. 不同；相异[教材原句] Think about how they differ.考虑它们怎样不同。 (1)differ from 不同于……；和……不同differ in 在……方面不同differ with sb. on/about/over sth.在某事上和某人有分歧/异议(2)difference n. 不同之处make a difference to... 对……有影响/起作用tell the difference between A and B分清 A 和 B(3)different adj. 不同的be different from... in... 在……方面与……不同单句语法填空①Chinese eating and drinking habits differ greatly ________ those in the West.②Was it on the matter of finance that they differed ________ each other?③Leaves are found on all kinds of trees, but they differ greatly ________ size and shape.④What you have told me may make a difference ________ my own position.⑤________(differ) from cars, cycling is a means of environmentally friendly transportation.句型转换⑥That fashion is different from country to country may reflect the cultural differences from one aspect.→That fashion ________________________ may reflect the cultural differences from one aspect.[答案] ① from ② with ③ in ④ to ⑤ Differing⑥differs from country to country2．undertake vt. 着手；从事；承担[教材原句] It is a difficult task to undertake.这是一项很难完成的任务。 undertake sth. 着手/从事/承担某事undertake to do sth. 保证/答应做某事undertake that... 保证……undertake responsibility/a task/a project承担责任/任务/工程单句语法填空①I had to travel here to undertake som...