module_5_A_lesson_in_a_Lab_知识点学案.doc

班级： 小组： 姓名： 组内评价： 教师评价： Module 5 A Lesson in a Lab 1. expand vi.膨胀vt.扩大，扩充When you heat a metal，it expands.当你加热金属时，它就会膨胀。 Metals expand when they are heated. 金属受热会膨胀。As children grow older they expand their interests and become more confident.随着儿童的成长，他们的兴趣会变广，人也会变得更自信。Could you expand on that point，please?请你把那一点详细说明一下，好吗2. conclusion n结论 Conclusion , Iron rusts in ordinary water. 结论：铁在普通水中生锈。draw/come to/arrive at/reach a conclusion得出结论make a conclusion下结论bring.to a conclusion使结束in conclusion最后，作为结论地；总之conclude v.得出结论；断定，推断出；结束to conclude最后They came to the conclusion that its time Chinese football should be regulated.他们得出的结论是：中国足球到了该整顿的时候了。 In conclusion，I would like to say how much I have enjoyed myself today.最后，我想说我今天过得很开心。After a long discussion about the advantages and disadvantages of the plan，they finally came to a(n)_that it was practical.AdecisionBopinionCconclusion Dimpression 3. ordinary adj.普通的，平常的 The nails rust in the tube with ordinary water.钉子在装有普通水的试管中生锈了。ordinarylooking相貌平平的，相貌普通的out of the ordinary不寻常的；例外的in the ordinary way一般；通常What is ordinary in one country may be very strange in another.在一个国家很普通的事，在另一个国家可能很奇怪。【易混辨析】 ordinary，common，usual，normal(1)ordinary普通的，平常的，平凡的。强调等级和类属方面普通。有“平庸无奇”之意。(2)common普通的，常见的。强调经常发生，司空见惯，可修饰人或物。也可指共同的、共存的。common sense常识。(3)usual 通常的，惯常的，惯例的，强调依照惯例来判断，有“遵循常规”之意。(4) normal正常的，合乎标准的。强调在正常情况下应有的。Whoever has common sense knows that smoking is harmful to peoples health.Last Sunday，he went to work as usual.Free medical treatment in this country covers sickness of mind as well as ordinary illness.It is known that a persons normal temperature is about 36.5.4. react vi.(化学)反应；起作用；起反应.it is important to know how they react with different substances.要了解它们和不同的物质如何发生反应，这一点很重要react to对作出反应 react with与起(化学)反应react against反对；反抗 react on/upon对有影响reaction n.反应 How did he react to your suggestion?他对你的建议反应如何？Children tend to react against their parents by going against their wishes.孩子们通常以违背父母的意愿来反抗他们。Iron reacts with water and air to produce rust.铁与水和空气起化学反应而生锈。What was her reaction to the news?她对这消息的反应如何？How did you react_your fathers suggestion?I reacted strongly_it.Aon；toBon；withCagainst；with Dto；against5. add.to.把加到 Add some oil to the water.This will keep air out of the water.在水中加些油。这样做可防止空气进入水中。【归纳总结】add v.加；继续说；补充说 add to增加；增添 add up把加起来add up to合计达；结果是 addition n.加；(数)加法；增加in addition另外 in addition to除之外Please add some sugar to the bread. 请在面包上加些糖。Three added to four makes seven. 三加四等于七。Fireworks added to the attraction of the festival night.烟花使节日之夜更具吸引力。Add up all the figures and find out what they add up to.把这些数字加起来，弄清楚总计是多少。The total cost of their trip to America_ $ 8,000.Aadded up to Badded upCadded to Dwas added up to 6. keep.out of使进不去；不让进入；把挡在外面；避开 This will keep air out of the water. 这将阻止空气进入水中。【归纳总结】keep after追赶keep away远离keep back阻止；隐瞒 keep down吞下；镇压；控制keep sb. from doing sth.阻止某人做某事 keep off防止，避开 keep on继续keep to坚持；履行keep up不低落；维持，坚持；继续 keep up with跟上Youd better keep yourself out of other peoples quarrels.你最好不要卷入别人的纠纷中去。He begged the police to keep his name out of the papers.他恳求警察不要在报纸上披露他的名字。Please keep the dog out of the study.别让这只狗进书房。句型梳理 【教材原句】 It is hard to think of a world without metals.(P44)很难想象一个没有金属的世界。【句法分析】本句中，it 为形式主语，真正的主语是不定式短语to think of.，构成It is/wasadj.to do sth.的结构。It is adj.for sb.to do sth.该句式中，作表语的形容词只能说明不定式的行为性质和特点，不能说明不定式的执行者。常见的这类形容词有：easy，important，difficult，hard，possible，impossible，necessary等。It isadj.of sb.to do sth.该句式中，作表语的形容词表达不定式的逻辑主语的品行、性格或性质。常见的这类形容词有：kind，nice，good，honest，careful，careless，clever，wise，stupid，foolish，rude，polite，impolite等。It isadj./n.thatclauseIt isno good/use doing sth.It is easier to say than to do.说比做容易。It is no good playing computer games.玩电脑游戏没有好处。It is a shame that he didnt pass the exam.很遗憾他没有通过考试。It is said that the tickets have been sold out.据说票已售完。(2010年高考大纲全国卷)The doctor thought_would be good for you to h