学年高中英语 Unit 4 Astronomy the science of the stars Period There讲义 新人教版必修3docWord格式文档下载.docx

1、连接副词when，where，how，why等在从句中作时间、地点、方式、原因状语等成分。What we need is more water.（连接代词what在从句中作need的宾语）我们需要的是更多的水。Whether we can live on the earth depends on whether the problem is solved.（whether虽不作成分，但有“是否”的意思）我们能否在地球上生存就取决于这个问题能否得以解决。即时跟踪1选择适当的引导词填空（1）Who will do it doesnt matter.（2）What we cannot get see

2、ms better than what we have had.（3）It should be considered where you come from.（4）Why the boy asked money from his classmates surprised his teacher.（5）Whether Ill go shopping today depends on whether I am free.2.it作形式主语为保持句子平衡，常把主语从句后置，而用形式主语it代替。it作形式主语时常用于以下句型：句型It系动词形容词主语从句常用于此句型的形容词有important，（u

3、n）likely，possible，necessary，natural，wrong等。It系动词名词主语从句常用于此句型的名词有fact，idea，honour，question，pity等。It系动词过去分词主语从句常用于此句型的过去分词有known，proved，said，decided，suggested，thought等。It不及物动词主语从句常用于此句型的动词有appear，happen，seem，occur，matter等。Its possible that he has been to Beijing.他有可能去过北京。Its a pity that you didnt atte

4、nd the meeting.你没参加这次会议太可惜了。即时跟踪2完成句子（1）It is reported that（据报道） some people were killed in the downtown.（2）It is clear where he put the money stolen from the shop（他把从商店偷来的钱放哪儿了）.（3）It appears that she will win the first at the match（她能在比赛中拿第一名）.（4）It doesnt matter whether you turn left or right at

5、the crossing（在路口你是左拐还是右拐）both roads lead to the village.（5）It remains a mystery why this animal died out suddenly（为什么这种动物突然灭绝了）.考点警示（1）从句的语序：在任何情况下，主语从句都用陈述语序。Whoever of you gets here first will get the prize.你们谁第一个到达这里谁就获奖。（2）主谓一致从句作主语时，主句的谓语一般用单数形式；但what和who引导主语从句时，有时主句谓语的数应与主句中作表语的名词保持一致。When we

6、shall have our sports meeting has not been decided.我们什么时候开运动会还没有确定。What they need are books.他们需要的是书。如果由and连接两个或两个以上的主语从句作主语时，谓语动词用复数；由两个或多个连接词引导一个主语从句时，谓语动词用单数。When they will start and where they will go have not been decided yet.他们什么时候动身以及要去哪里还没定下来。When and where they will hold the meeting is not c

7、lear.他们何时何地召开会议还不清楚。（3）whether引导的主语从句，如果用了形式主语it，引导词whether可以换成if。如果whether从句在句首或后面直接跟有or not时，不能用if替换。Whether geneticallymodified food does us harm remains to be seen.转基因食物对我们是否有害有待观察。即时跟踪3单句改错（1）When and where well have the meeting been decided yet.（2） we will finish the task depends on the weathe

8、r.（3）What he said at the meeting yesterday a secret to us.用适当的连接词填空1.It is often the case that anything is possible for those who hang on to hope.（2016江苏）2.Your support is important to our work.Whatever you can do helps.（2016北京）3.How we understand things has a lot to do with what we feel.（20154.Wher

9、e Li Bai，a great Chinese poet，was born is known to the public，but some wont accept it.（20155.Exactly when the potato was introduced into Europe is uncertain，but it was probably around 1565.（2014大纲全国）6.I think what impresses me about his painting is the colours he uses.（2014天津）7.When the delayed flig

10、ht will take off depends much on the weather.（2014陕西）8.What you said at the meeting describes a bright future for the company.（2013四川）9.It remains to be seen whether the newly formed committees policy can be put into practice.（201310.What I want to tell you is the deep love and respect I have for my

11、 parents.（201311.It doesnt matter whether you pay by cash or credit card in this store.（2012山东）12.It is by no means clear what the president can do to end the strike.（2012新课标全国）Instructions1.Please pay attention to.请注意2.Make sure you.你一定3.Dont forget to.不要忘记4.Watch out for.当心5.Youd better （not）.你最好（

12、不）即时跟踪语法填空A：That price of ours,1.by the way，is for a minimum quantity of 1,000 saddles（车座）.Youd better think about it again.B：Yes，I noticed that.We proposed the plan from the storage and 2.delivery（deliver） viewpoint.Yes，of course.Assembly（装配） would be quite 3.a simple matter.Workers could put them

13、together 4.in a very short time.Sales have been quite good 5.during the past twelve months.Yes.Where have you been placing them? All in the local market.One 6.or two suggestions might interest you.Yes.What were they? Anything 7.that will help sales?Perhaps.General opinion is 8.that the back carrier

14、should be offered 9.as an extra.Thats to keep the price down，I suppose.Ill take it up with our overseas（海外的） department and listen to 10.what theyve got to say about this.Thanks. 文体指导写解决问题类作文，一般从以下几个方面展开：1.提出问题或列出现象，并简要阐述其产生原因；2.说明其对生活和社会的影响；3.提出解决问题的方法。写作时应注意以下四个方面：1.此类书面表达通常为话题作文或看图作文，大家应仔细研读提示信息或图画，明确应围绕什么问题或现象展开评论。2.围绕主题，进行拓展。根据要求和提示信息合理安排篇章中各部分内容，做到详略得当、条理清楚、文字简练。3.时态：多采用一般现在时，但如果提示中给出了具体时间，则应对时态进行相应的调整。4.要注意存在的问题，分析此问题可能带来的危害，然后针对此问题给出解决的方法。常用句