(完整word版)九年级下册Unit4Naturaldisasters导学案

1、实用精品文献资料分享九年级下册 Un it 4 Natural disasters九年级下册 Un it 4 Natural disasters 导学案I.学习目标 1. Unit 4 重点单词、短语 2. it 作形式主语的用法 II.重点、难点分析 1、What other natural disasters can you think of?你还能想到其他的自然灾害？think of想起，想到，认为 辨析：think of, think about与 think over(1) think of 想出，记起，考虑 Eg: Whothought of the idea ? 谁想出的这个主意

2、？(2)think about 思考，考虑 Eg: rII think about your suggestion,and give you an an swer tomorrow . 我要考虑一下你的建议，明天 给你答复。(3) think over 意为“仔细考虑”。Eg: Think over,and youll find a way .仔细考虑一下，你就会有办法的。【拓展】What do you thinkof?是固定句型，意为“你觉得.怎么样？”， 相当于“ How do you like ?”。 Eg: What do you think of the film?= How do

3、you like the film? 2、Because he isin terested in the North and South Poles.因为他对南北极感兴趣。be interested in 对.感兴趣，后面跟名词或者动名词作宾语。The boy is in terested in scie nee. They are in terested in playingcomputer games.辨析：interested与 interestingIn terest ing 表示事物本身具有使人产生兴趣之处；如 The cat isinteresting.而 interested表示

4、某人对某事感兴趣；如 laminterested in the book bought yesterday. 3、What would happenif our city was badly flooded?如果我们的城市严重淹水，将会发生什么事情？ happen 是不及物动词。happen 的用法主要有以下三 种：(1)sth.+happen+地点/时间，意为某地/某时发生了某事。 Eg：Anaccident happened in that street.那条街发生了一起事故。Whats happe ning outside?外面发生什么事了？( 2)sth.+happen to+sb.

5、意为”某人出了某事(常指不好的事发生在某 人身上)。Eg: A car accident happened to him yesterday.昨天他发生了交通事故。What happened to you?(二What was wrong /导学案实用精品文献资料分享the matter with you?)你怎么啦？(3) sb.+happen+to do sth.意为”某人碰巧做某事”；或者” It happens + that 从句”，意为“碰巧.” Eg: I happened to meet her in the street.我碰巧在街上遇见她。It happe ned that

6、I was out whe n he called.他来访时我碰巧不在。 辨析：happen 与 take place 1）. take place 表 示“发生、举行、举办”，一般指非偶然性事件的“发生”，即这种 事件的发生一定有某种原因或事先的安排。Eg : Great changes havetaken place in our hometown during the past ten years. The OlympicGames of 2008 will take place in Beijing. 2）. happen 作“发生、碰巧”解，一般用于偶然或突发性事件。Eg : Wha

7、thappe ned to you? I happe ned to see him on my way home. = It happened that I saw him on my wayhome. 4、Would anyone rema in alive? 还有人活着吗？ （ 1）rema in 此处作连系动词，意为“一直 保持；仍然处于某种状态”，后面可接形容词、名词、动名词ing 形式、 动词 ed 形式或介词短语。Eg: Whatever achievements you ve made,you should rema in modest.无论你取得多么大的成就，你都该保持谦虚。【

8、拓展】remain stay 都指“继续停留”或“继续保持某种状态、关系或行动。” rema in 常可与 stay 互换。1 ）表示“继续呆在某处”时，应该用不及物动词 remain 或 stay Eg : ShallI go or stay? He remained in his seat after all the other stude nts had gonehome. 2 ）表示“继续保持或处于原来的状态” 时，可用 rema in 或 stayEg : The door stayed closed. 3） 表示“暂住、短期停留”时，只能用不及物动词 stay Eg：He is s

9、tayingat Hilton Hotel. 4）表示“残留、剩下”时，只能用不及物动词rema in Eg : Not much of the house rema ined after the fire. 5）remain 强调“继续停留于一处或保持原状态、情况性质而不改变”，stay强调“某人物继续留在原地而不离开 Eg : This place rema ins cool allsummer. He stayed to see the end of the game.（ 2）实用精品文献资料分享alive 形容词，意为“活着的，在世的”。Eg: Is the old man alive

10、now?【注意】alive 和 living 都可以表示“活着的”，但 alive 通 常作表语或后置定语；而 living 修饰人或者物时需要前置。Eg: All living things needair. 5、It covered roads, parks and smallhouses.水淹没了道路、公园和小房子。Cover 此处用作及物动词，意为“覆盖；盖上”，常与介词 with 搭配。coverwith意为“用.把.盖住”（表示动作）be covered with. 意为“被.覆盖”（表示状态）Eg: Please cover the table with awhite cloth

11、. The hills are covered with trees.【拓展】 cover还可以用作名词，意为“覆盖物；圭寸面等” Eg：The book needs a newcover. 6、 Large objects, such as coaches and boats, passed by mywindow.大件的物体， 例如汽车和轮船， 从窗前经过。 pass by 意 为“通过； 经过”；还可以表示“ （时间） 逝去； 过去”。 Eg: I see them pass by myhouse everyday. Three years had passed by before sh

12、e fin ally found a suitable job. 7、I had to do somethi ng. 我 必须做点什么！辨析： have to 与 must（1）must多表示主观需要 或责任感的驱使有必要或有义务去做某事，多译为“必须”，而 have to 多表示客观存在的环境所限，即客观要求（无奈）而为之，多译为“不得不干某事”。Eg: I must clean the room because there aretoo dirty.（无人强迫）因为太脏了，我必须要打扫房间。We must be thereon time.（责任感的驱使）我们一定准时到达。I have to

13、do myhomeworknow.（不得不做） 我现在不得不做作业。I have toleave school because my family is poor now.（无奈） 因为家里穷了，我不得不退学。（2） must 没有时态的变化，而 have to 有时态的变化。 Eg: Damingwas hurt. The doctor said he had to stay inhospital for about two weeks. His father has to go to take care of him . Wedon t have to go to school on Su

14、n days.星期天我们不必上学。（3） must 的否定为 must nt ,多表示“禁令”。Eg：No!You must nt tur n left! You must tur n right into The Stra nd. 不！你不能向左转！你应该向右转进入到strand 中。由 must 引起实用精品文献资料分享的疑问句，肯定回答要用 must 或 have to，否定回答要用 need nt或 dont have to ，意思是“不必”；此用法在中考中的单选题中容易出现！ Eg: 1 ） Must I fin ish my homework before eight o cloc

15、k?我必须要在 8 点之前完成作业吗？一 Yes, you must. 是 的，必须。2 ）Must I attend the meeting?我必须要参加这次会议吗？ 一 No, you needn t/don t have to. You can ask Tomtogo instead.不，你不必。你可以让汤姆替你去。7、I tried to callmy dad, but the line was dead.我试图给我爸爸打电话，但是电话线路不通。（1）try to do sth. 意为“试图/努力做某事”，侧重尽力，为了达到目的而努力；否定形式为try not to do sth. I

16、 mtrying to learn English well.（2）try doing sth. 意为“试着/尝试做某事”，只是一种新的尝试，不一定付出很大的努力。Let s tryknocking at the back door.【拓展】 1）try one s best todo sth.意为“尽某人最大努力做某事”Weshould try our best topractice speaking English. 2）try on 意为“试穿” Can I try in on? 3）try作可数名词，意为“尝试”，常构成 have a try，意为 “试一试”Ican t open t

17、he door. Will I have a try? 8、It simpossible to stick with it.坚持工作很重要。（1）It s +形容词+ for sb. + to do sth.意为“对某人来说做某事时. 的”It s +形容词+of sb. +to do sth.意为“某人做某事是.的“， 此句式中的形容词是描述人的性格、 品质的， 如:polite, nice, kind, good, frie ndly 等。此句式也可以改为 Sb. +be +形容词+ to do sth. Eg: It s hard for me toanswer your questio

18、ns.It was foolishof him to go alone. = He was foolish to go alone.（2） stickwith 意为“持续；坚持；不放弃”；还可以表示“紧接；不离开； 禾口.呆在一起”Eg: Stick with your schedule for the week.Stick with them. There s safety in numbers. 9、 My friendsreplied, ” I have no time to drink about the flood” 我的朋友说：“我没有时间考虑洪水.”辨析：reply 与 answ

19、er （1） 两者均可表示“回答”，但 answer 属常用词，多用于一般性应答， 而 reply 则实用精品文献资料分享较正式，多指经过考虑而作出答复。Eg: I was sonervous that I couldn t answer reply.我紧张得没作回答。 （2）answer 可自由地用作及物或不及物动词，而 reply 除后接 that 从 句或引出直接引语是及物动词外，一般只用作不及物动词。其后若接 名词或代词作宾语，应借助介词 to。Eg : He replied that he had changed his mind.他回答说他改变了主意。He didn t answe

20、rreply to myquestion.他没有回答我的问题。比较下面两句：Hedid not knowwhat to reply.他不知道回答什么（即：用什么回答）。He did not know what to reply to.他不知道回答什么问题（即：对什么作回答）。（3）answer 除表示“回答”外，还可表示接听（电 话）或对门铃等声响作出反应等（常与 telephone, door, bell, door-bell 等连用）。但 reply不能这样用。Eg : Whoanswered thetelephone? 谁接的电话？A little girl answered the d

21、oor.一个小女孩应声去开门。 Nobody an swered my call for help. 没有人理会我的呼救。（4）两者除用作动词外，都可用作名词。要表示“对的回答（答复，答案）”等，其后均接介词 to（不用 of）。Eg :Have you had an answer to your letter?你寄出的信有回音没有？I received no reply to my request. 我的要求没有收到任何答复。10、 In surprise people fin allystarted to no tice the flood, butit was too late.最后人们

22、惊讶地开始注意到洪水，但是已经太晚了。in surprise 惊讶地 to one s surprise 令人吃惊的是 【拓 展】noticesb. doing sth.注意到某个人正在做某事；notice sb.do sth.注意到某人做了某事 我注意到她正在房间里哭。注意到她在房间里哭。0、Mycomputer is dead, so I willhave to buy a new one.我的电脑不运转了，所以我必须买一台新的。 辨析：one, it, that it指代的是同类同物，that指代的是同类异物，one 指的是上下文中提到的同类事物中的一个。Eg:rm looking fo

23、r a flat.rd really like one with a garden.2-Where did you find your watch? - I find it in our classroom.实用精品文献资料分享3The populati on of China is larger tha n that of any othercountry. 11、The boy was so quiet that often no one would notice whe n hecame in the room.那个男孩如此安静，以至于当他进入房间时经常没有人会注意到。Scthat 意为

24、“如此. 以至于”，引导结果状语从句， so 后接形容词或副词。 Eg: Heis such a clever boy thateverybody likes him.【拓展】在 sothat 结构中，若that 从句的主语一致，在否定句中可与 tooto或 notenough to 结构互换。 He is so young that he can t join the ar my.=He is too young to joi n the army. = He isn t old eno ugh to joi n the army.12、What awful weather!多糟糕的天气啊！

25、( 1)what+(a/an)+adj.+n.+ 主语 + 谓语 +(it is). What a clever girl she is!(2)How+adj.(adv. )+ 主语 + 谓语 +(it is). Howcold it is today! 13、Thegovernment asked people to leave for higher ground leave for 动身去.；启程去. 昨天他们动身去北京。_ 【拓展】(1) leave 可 用作及物或不及物动词，意为“离开。出发。”常用于短语，意为“动 身，出发(去某地)” He left Pairs for New York._(2) leave 属非延续性动词，它不能和表示一段时间的词连用，如果要表示离开一 段时间，要用 be away 来代替。I have been awayfor a week. (3) leave 用作名词时，可以表达多种含义，如“休假。假期，许可，同 意” I had a twoweek leave.(4) take leave of =take one sleave 意为 “向 告别” He took his leave and went home. 14、Barry suggest