英语课件：Unit 2 DNA 单元复习课（冀教版 九下）（共25张PPT）

Unit 2 单元复习课 Lesson 9 1. at the same time同时 This is a difficult problem, at the same time it is very interesting. 这是个很难的问题，同时也很有趣。 Lesson 10 2. generally adv. 一般意义上地；广泛地；普遍地 Generally speaking, a blueprint is a drawing. 一般来说，蓝图就是一幅画。 3. except for除……之外 He is a good man except for hot temper. 除了脾气暴躁外，他是个好人。 4. not only. . . but also. . . 不但……而且…… He likes not only English but also math. 他不仅喜欢英语，而且喜欢数学。 Not only you but also I am a teacher. 不仅你而且我也是一名老师。 Lesson 11 5. exactly adv. 恰恰; 精确地 The accident happened at exactly two o’clock yesterday afternoon. 事故恰好发生在昨天下午两点。 6. What if. . . ？ 如果……将会怎么样？ What if we move the picture over there? 如果我们将画移到那边，将会怎样？ 7. divide v. 分开；分割 Please divide the apple into four pieces. 请把这个苹果分成4块。 8. design v. 设计；计划 He asked us to design a poster for the campaign. 他请我们为这次运动设计一张海报。 Lesson 14 9. secret adj. & n. 秘密（的） I’ve put the letter in a secret plac