《秋高中英语新人教必修教学.pptx》由会员分享，可在线阅读，更多相关《秋高中英语新人教必修教学.pptx（43页珍藏版）》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、新课导入建议通过对学生作业的检查导入本堂新课。第1页/共43页第2页/共43页第3页/共43页第4页/共43页第5页/共43页第6页/共43页第7页/共43页第8页/共43页第9页/共43页第10页/共43页第11页/共43页演示结束演示结束 第12页/共43页1crash vi.&vt.碰撞；坠落；使撞毁 n(汽车的)撞车事故；(飞机的)失事；突然发出的巨响Other scientists believe that a comet crashed into the earth long ago and caused the disappearance.(P29)其他科学家认为很久以前一颗彗星
2、与地球相撞导致恐龙灭绝。He witnessed a serious car crash today.Two cars crashed into each other and let out a loud crash.今天他目睹了一起严重的撞车事故。两辆车撞在了一起，发出了很大的爆裂声。第13页/共43页第14页/共43页2climate n气候，风气，潮Since the last ice age，the climate of the earth has not changed very much.(P29)自从上一个冰川世纪以来，地球上的气候变化不大。I dont like the mor
3、al climate in some countries.有些国家的道德风气我不喜欢。第15页/共43页词语词义climate指某个地方长期、平均或固定的气候状况，包括气温、湿度等。可用不定冠词修饰，如a cold climate寒冷的气候。weather指一天或一段时间内的晴雨、寒暖变化。不可用不定冠词修饰，如weather report天气预报。第16页/共43页第17页/共43页3block out挡住(光线)，不去想(回忆)As a result of this event，a great dust cloud formed in the sky blocking out the su
4、nlight.(P29)正因为这一事件，天空中形成了一团巨大的尘云，挡住了阳光。The heavy curtain blocks out the light.这厚窗帘把光挡住了。第18页/共43页We found that a big elephant blocked our way.我们发现一头大象挡住了去路。The traffic is very heavy and has begun to block up the streets.交通量很大，已经开始把街道阻塞了。第19页/共43页第20页/共43页观察下列从Reading中选取的句子，并说出其引导的从句在主句中充当的成分及引导词的功能
5、。What it was to become was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe.The earth became so violent that it was not clear whether the shape would last or not.What is even more important is that as the earth cooled down，water began to appear on its su
6、rface.第21页/共43页It was not immediately obvious that water was to be fundamental to the development of life.What many scientists believe is that the continued presence of water allowed the earth to dissolve harmful gases and acids into the oceans and seas.自我总结1.引导词what/whether/that引导的从句在句中均可作主语。第22页/共
7、43页第23页/共43页名词性从句：主语从句在复合句中作主语的从句叫做主语从句。1主语从句的引导词类别例词说明从属连词that，whether两者在从句中均不作成分，只起连接作用；that无实义，whether表示“是否”。连接代词who，what，which，whoever，whatever等在从句中作主语、宾语、表语、定语等成分。连接副词when，where，how，why等在从句中作时间、原因、地点、方式状语等成分。第24页/共43页Who will do it doesnt matter.(连接代词who在从句中作主语)谁做这件事都没有关系。What we need is more w
8、ater.(连接代词what在从句中作need的宾语)我们需要的是更多的水。第25页/共43页2it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：句型说明It系动词形容词that从句常用于此句型的形容词有important，(un)likely，possible，necessary，natural，wrong等。It系动词名词that从句常用于此句型的名词有fact，idea，honor，question，pity等。It系动词过去分词that从句常用于此句型的分词有known，proved，said，decided，suggested，th
9、ought等。It特殊动词that从句常用于此句型的动词有appear，happen，seem，occur等。第26页/共43页It makes no difference where we shall have the meeting.我们在哪儿开会并不要紧。It is said that Mr.Green has arrived in Beijing.据说格林先生已抵达北京。3主语从句中应注意的问题(1)从句的语序要用陈述语序。Whoever leaves the room last is expected to turn off the lights.无论谁最后离开房间都要把灯关掉。第2
10、7页/共43页(2)从句作主语时，主句的谓语一般用单数形式。有时受表语的影响用复数形式。Who has left so many sweets on his table makes him curious.谁在他的桌上留下了那么多糖块令他很好奇。What he wants to read now are some magazines.现在他想读的是一些杂志。(3)从句的时态一般要取决于主句。What made people excited was that the solar ship had completed aroundtheworld trip.让人们激动的是太阳能船已完成了环游世界的
11、旅行。第28页/共43页.单项填空1(2013江西高考)one of you breaks the window will have to pay for it.AWhoeverBWhateverCWhichever DWherever【解析】句意：你们当中无论哪一个打破窗户都必须赔偿。此处指从“you”这一范围中作出选择，故选C项，表示“无论哪一个”。【答案】C第29页/共43页2(2013陕西高考)It remains to be seen the newly formed committees policy can be put into practice.Athat BwhichCwh
12、at Dwhether【解析】句意：新组建的委员会的政策是否会付诸实施还有待观察。该句包含一个由whether引导的主语从句“whether the newly formed committees policy can be put into practice”，该主语从句不缺成分，所以排除B和C；由语境中的remains to be seen可知，“是否实施新政策”还有待观察，所以此处要用whether。故选D。【答案】D第30页/共43页3Was decided that they should start the project the next week?Ahe BthisCthat
13、Dit【解析】本句可还原为“It was decided that.”，it为形式主语，that引导真正的主语从句。【答案】D第31页/共43页4It matters little a person dies，but matters much more is he lives.Ahow；what；how Bhow；it；howCwhy；it；why Dwhich；what；that【解析】句意为“一个人怎么死的不太重要，但重要的是他是如何活着的”。第一空用how引导主语从句，it作形式主语；第二空what引导主语从句；第三空用how引导表语从句。【答案】A第32页/共43页5Which top
14、ics you are interested in none of my business.about is the present problem.Ais；What I am concernedBare；What I am concernedCis；What am I concernedDare；What am I concerned【解析】which引导的从句作主语时通常按单数处理，主句谓语应用单数形式，排除B、D两项；主语从句要用陈述句语序，故选A项。【答案】A第33页/共43页6The villagers have already known well do is to rebuild
15、 the bridge.Athis BthatCwhat Dwhich【解析】句意：村民们已经知道我们要做的事是重修这座桥。分析句子结构可知，known后的宾语从句中含有一个主语从句，该从句缺少引导词并且从句中do缺少宾语，故用what，意为“的事情”。this不能引导从句；that在名词性从句中不作句子成分；which强调“哪一个”，不符合句意。【答案】C第34页/共43页7It remains to be seen the plan can be put into practice.It depends on your determination.Awhether BwhereChow D
16、that【解析】It remains.中的it是形式主语，“the plan can be put into practice”是真正的主语，根据句意，空格处应有“是否”的含义，所以选用whether。【答案】A第35页/共43页8 all the inventions have in common is they have succeeded.AWhat；what BThat；thatCWhat；that DThat；what【解析】句中is前面的部分为主语从句，从句中含有“have.in common”短语，因此前一空格中的词应引导主语从句并作have的宾语；后一空格中的连词引导表语从句，
17、从句中succeeded为不及物动词，因此该连词不充当句子成分。that引导名词性从句时不在从句中充当句子成分。【答案】C第36页/共43页9 he referred to in his article was unknown to the general reader.AThat BWhatCWhether DWhere【解析】句意：文章中他所提及的内容一般读者不知道。此主语从句中referred to后面明显缺宾语，所以应该选连接代词，故C、D项被排除；that在从句中不充当成分，故选B项。【答案】B第37页/共43页10It is obvious to the students they
18、 should get well prepared for their future.Aas BwhichCwhether Dthat【解析】that引导从句为真正的主语，it作形式主语。【答案】D第38页/共43页.用适当的连接词完成下列句子1 he got the first prize in the English Contest surprised all of us.2 we will go to visit Hong Kong in this winter vacation remains unknown.3 will take the place of Mr.Li as our
19、new headmaster hasnt been decided.4 caused the accident to happen hasnt been made clear yet.5 has helped to save the drowning girl is worth praising.第39页/共43页6It is said Peter will have a chance to travel abroad next month.7 Liu Yang ate her food in space is we want to know.8 he found the way home after he lost his way in the deep forest is not clear to us.9 he didnt come yesterday is unknown.10I read about it in some book or other.Does it matter it was?第40页/共43页【答案】1.That2.Whether3.Who4.What5.Whoever6.that7.How；what8.How9.Why10.where第41页/共43页第42页/共43页感谢您的观看！第43页/共43页