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辨析：cause，reason，excuse与grounds cause“起因”；指引起某种后果的起因。reason“理由，原因”；指决定做某一件事或采取某一行动的理由；由此而得出结论或解释。excuse“辩解，借口”；指为某一行为所做的解释，可以是真的，也可以是推托之辞。grounds“根据，理由”；指有根据的理由。The cause of the accident was the fact that he was driving too fast. 事故的原因是他车开得太快。The reason for my absence was that I was ill. 我没来是因为我生病了。Too much work is no excuse for not studying. 工作太忙不能成为不学习的理由。We have good grounds to believe his story. 我们有充分的理由相信他的话。 9. Dr Aronnax, his servant and a Canadian whale hunter set out to find the monster. 爱瑞纳克斯博士，他的仆人和一位加拿大的猎鲸手出发去寻找这只海怪。(P.11 第二段 倒数第1行) set out: (1) 开始，着手 They set out to perform the operation. 他们开始做手术。They set out to work as soon as they arrived. 他们一到就干了起来。 (2) 启程，动身Half an hour later we set out again on our journey. 半小时之后，我们又启程赶路了。They set out for Rome. 他们动身去罗马。 比较：(1) set about开始，着手 He set about washing his car. (= He set out to wash his car.) 他开始洗涮汽车。 I'll set about preparing supper. (= I'll set out to prepare supper.) 我要开始准备晚饭了。(2) set off出发、动身 We all set off for New York next Tuesday. (= We all set out for New York next Tuesday.) 下星期二我们将动身去纽约。They have set off on a journey round the world. (=They have set out on a journey round the world.) 他们已出发作环球旅行。 归纳：set out (1) 动身、出发 (set off) (2) 开始、着手 (= set about) 其中out，off为副词，about为介词。 拓展：set sb. an example = set an example to sb. 为某人树立榜样; set about 着手(开始)做; set aside 存蓄，留出; set fire to 点燃，生火; set foot in / on 登上，涉足；访问; set off 出发，动身; set to work (使)开始干 10. … the three companions are thrown overboard.三个伙伴都被撞翻到船外。(P.12第一段 第2行) overboard: adv.自船边缘落入水中They were thrown overboard when they were on the sea. 他们出海时船翻了。 (责任编辑：admin) |