人教英语高中新课标选修八unit5单词与短语用法课件知识讲解.ppt

Unit 5 meeting your ancestors;vocabulary;1. identify vt. 确认, 识别, 鉴别 1) identify sb. /sth. as sb./ sth. 确认, 证明某人/某物系某人/某物 e.g. 她认出那个男子就是袭击她的人。 She identified the man as her attacker. 2) identify sth. with sth. 认为某事物与另一事物等同 e.g. 幸福与财富不能混为一谈。 One can’t identify happiness with wealth. 扩展: identification n. identification card 身份证 identical adj.;2．alternative n. (两者或两者以上)选择；二选其一；可供选择的东西；替代物　adj. 选其一的；替代的an alternative to... ……的替代品have no alternative but to do sth. 别无选择只好做……= have nothing to do but do…= have no choice but to do sth.alternative energy 可替代能源;[即学即练1](1)Have you got an _____________ suggestion?你有没有其他的建议？(2)You ________________________ marrying or remaining a bachelor.你可以结婚也可以仍做单身汉，任你选择。;e.g. 除了放弃那个计划, 我别无选择。 I have no alternative but to give up the plan. = I have nothing to do but give up the plan. = I have no choice but to give up the plan. 有几种方案可以代替我们的计划。 There are ____________________________. 3. accuracy n. 精确, 准确 accurate adj. 准确的, 精确的;4．interrupt vi. 打岔　vt. 暂时中断或中止interruption n. 中断，打断interrupt sb. 打断某人的讲话或正在做的事without interruption 不间断地; 打断; 中断 别打扰他, 他还没完成呢。 __________________, for he hasn’t finished yet. 他的学习由于战争而中断。 His studies ___________________________. 打岔; 插嘴 It is rude to interrupt. “Don’t interrupt,” he said.;区别: interrupt 和disturb;5．assume v. 假定；设想assume sth. 认为/假设某事assume that－clasue 认为……assuming that...＝suppose/supposing that 假设……assume sb. to be ... 认为某人是……扩展: assumption n. 假定，假设　　 make an assumption;[即学即练3](1)We __________ his innocence before hearing the evidence against him.＝We __________ him ____________ innocent before hearing the evidence against him.＝We ____________ he is innocent before hearing the evidence against him.在听到对他不利的证言前，我们假定他是无罪的。;6．regardless of 不管；不顾in spite of 尽管；不管despite 不管；尽管as regards 关于，至于in regard to/of... 关于regarding prep. 关于;7．at most至多at (the) most至多，不超过at (the) least至少，不低于；无论如何mo