★teaching aims:1. help the ss to improve their listening ability and their skills of telling the facts and stating personal opinions.2. make sure that the ss know the difference between the facts and opinions.teaching procedures:skill building 1: distinguishing between facts and opinionsstep one: completing a note sheetskill building 2: asking for informationstep tow: finding out about the computer roomskill building 3: formal writing step three: writing a proposal for a new computer room★ useful words and expressions1. therefore, i am writing to you to voice my opinions.(1) therefore adv. 因此，所以eg. he worked day and night, and therefore he was able to buy the sports car. he was the only candidate. therefore, he was elected.therefore 和so两词都作“因此”讲。therefore作因此讲时是副词，通常不用来连接两个分句；而so 是连词，因此他可以用来连接两个分句。eg. mr. brown knows little about china and therefore he can’t advise you about it.= mr. brown knows little about china, ______ he can’t advice you about it.= mr. brown knows little about china. ________, he can’t advice you about it.(2) opinioneg. what’s your opinion of the new plan? everyone had a different opinion on the subject.in sb. ’s opinion have a good/ bad/ high/low opinion of… 对…评价好/不好/高/低give/ express/ voice an opinion (on…) 对…发表意见2. in my opinion, it is about time we had new computers.it is (high/ about) time that 后面的从句谓语动词通常用过去时表示现在或将来，有时也用“should＋动词原形”(should不可省略)， 其意为“早该做某事了”eg. it’s high time you clamed down and set a clear aim for yourself.in my opinion, it’s time you should take action.= in my opinion, it’s time______ take action.3. during the journey, the professor and his nephew come across the central sea, a big underground e across (不用于被动语态)（1）（偶然）遇见，碰到，发现 （across 为介词，后接宾语）eg. i came across the children sleeping under the bridge the other day.(2) vi. 被理解，被弄懂it’s a pity that your meaning didn’t ________.很遗憾你的意思没有真正被理解。（3）提供，给予（常与介词with连用 ）i hope she would come across with some more e about 发生come out （太阳，月亮或星星）出现；出版come true 实现你能告诉我事故是怎样发生的吗？4. rescue vt. ＆ n. 营救；援救常用于：rescue sb. (from…)营救某人；come/ go/ to one’s rescue 来/去救援某人；
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