必修5 Unit1 Great scientists Part 1. Warming u p 1. explain 及物动词（vt.） 解释;说明;阐明[(+to)][+wh-][+(that)] He explained that he had been cheated. 他解释说他是上当受骗了。 Can you explain how the machine operates?你能解释一下这机器是如何运转的吗? Please explain this rule to me.请给我讲解一下这条规则。 不及物动词（vi.）解释;说明;辩解 I've got to explain about it. 我得解释一下此事。 2. characteristic n. 特征；特性 Kindness is one of his characteristics. adj. 独特的 I heard my friend’s characteristic laugh. be characteristic of sb./sth. 是.....的特性 Such bluntness is characteristic of hin. 如此迟钝是他的特性。 3. Who put forward a theory about black holes? put forward 提出（建议等）；提名;提前，把时钟往前拨 He put forward a new plan. 他提出一个新计划。 May I put your name forward as a possible chairman of the committee?我能否提名你当委员会主席？ [归纳拓展] put down 记下；镇压 put out 关掉；熄灭 put aside 放在一边；储存；保留 put off 推迟；延期 put up 建造；举起；张贴 put on 穿上 put away 收好 选词填空 （put off, put up, put forward, put aside, put out） ①The plan that you _____ at the meeting is wonderful. ②Many tall buildings were _____ along the road. ③Firefighters have been called to _____ the fire in the city center. ④He has a little money to _____ for a rainy day. ⑤Don’t _____ until tomorrow what can be done today. Part 2. Pre-reading, reading and comprehending 1. Do you know how to prove a new idea in scientific research how to prove a new idea 为“疑问词+不定式”结构，该结构可在句中作主语、宾语、表语等。 We haven’t decided where to go. 我们还没有决定去哪里。 The question is when to leave. 问题是什么时候动身。 2.draw a conclusion 得出结论 1）conclusion 作名词，意为“结束，结论” come to/reach/arrive at a conclusio...
