高考英语总复习 Unit 5 Meeting your ancestors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 5 Meeting your ancestorsStep 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．alternative adj. 供选择的；其他的 n. 可能的选择；选择对象[教材原句] Can you think of the alternatives we would use today?你能想到我们今天使用的替代品吗？ an alternative to ……的替代物(to 是介词)have the alternative of A or B要么做 A，要么做 B；在 A 或 B 二者中选一个have no alternative/choice/option but to do sth.别无选择只好做某事单句语法填空①The Internet also provides us with a cheap alternative to ________(communicate) with others.②In order to succeed, we have no alternative but ________(face) failure bravely and learn from it.③We could take the train or ________(alternative) go by car.④I have given the matter much thought, examining all the possible ________(alternative)．⑤We have no alternative but ________(sell) our house to pay the debt.⑥My grandmother didn't do anything but ________(keep) house and serve everybody.[答案] ① communicating ② to face ③ alternatively ④ alternatives ⑤ to sell ⑥ keep[思维发散] have no alternative but to do sth.＝have no choice but to do sth.＝do nothing but do...只能做某事；除……之外别无选择。注意 do nothing but do...中，but 后跟不带 to 的不定式。2．interrupt vt.&vi.打断……讲话；打岔；暂时中断或中止[教材原句] I'm sorry to interrupt you but how could they live here?对不起，打断了你的讲话，但他们怎么能住在这个地方呢？ (1)interrupt...(with sth.) (因某事)打断……be interrupted by 被……打断(2)interruption n. 打扰；插嘴...