选修8unit5languagepoints课件.ppt

* 1. identify vt. 确认，识别，鉴别 （1）~ 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）~ 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 ~ happiness with wealth. 扩展：identification n. identification card 身份证 identical adj. 2. alternative adj. 供选择的，其他的 e.g. The way was blocked ,so we had to go by ~ road. 这条路阻塞，我们只能走其他路。 n. 可能的选择；选择对象 have no ~ but to do sth. = have nothing to do but do… = have no choice but to do sth. 除了做某事别无选择 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. 3. interrupt vt. 1) 打断，中断，阻碍 e.g. 战争打断了两国间的贸易。 ①The war ~ed the trade between the 2 countries. ②Sorry to interrupt you, but I have something to say. 打断某人的话 ~ sb. /sth. with sth. 用……打扰/打断…… e.g.他用一个问题打断了他的老师。 He interrupted his teacher with a question. (2) interrupt sb. 打扰某人 e.g. ①Don’t interrupt me. I am very busy. 打扰某人 4. assume vt. 假定，设想；担任，承担 (1)assume后多跟 1) 名词，2)宾语+ to be + n. / adj., 3) that 从句 e.g. 1. The scientist ~ that there no animals on the moon. 科学家设想月球上没有动物． 2. I ~d the responsibility. 我来承担责任。 　　 3. He assumed a great man. 他假装是伟人． (2) assuming放在句首，表一种猜测。 e.g. Assuming it rains tomorrow, what shall we do? 假如明天下雨，我们该做什么呢？ 扩展： assumption n. 　　make an assumption *