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九年级英语总复习教案B3U6
授课人：郭礼文 时间： 班级：
一、目标再现
在本单元中要求学生对在前面五单元中所学过的知识做一次全面的回顾和总结。复习、归纳一般过去时态和现在完成时态，进一步学习动词不定式和宾语从句。能够区别 have been与 have gone的用法；重点学习课文\"Under the sea\"，明白How important is the sea to our life？
通过利用computer去寻找一些information，进一步熟悉有关如何操作计算机的术语；掌握数词的用法和类似 thousands of短语的用法。通过该单元的学习，要使学生明白海洋对于我们人类的重要，人类与自然应当和谐相处，并尽力保护它的环境。
二、重点难点解析
1. Not too long ago, people couldn’t go scuba diving on Hainan Island, or anywhere else.
不久以前，在海南和其他地方人们还不能进行潜水运动。
else 形容词，意思为“别的；其他的”，无比较级。
它常接在疑问代词，不定代词后面。如：
— Beside the weather, what else did he say? 除了天气，他还说了些什么？
— Who else is coming? 还有别人来吗？
— Anything else I can do for you? 我还能为你做些别的事吗？
2. This is because there was no machine allowing a person to breathe under water for a long time. 这是因为没有供人水下呼吸很长时间的机器。
allow sb. to do sth. 意思为“允许某人做某事”。 相当于宾语时，必须接不定式。如：
They don’t allow children to go into that room.= They don’t let children to into that room.
他们不允许孩子进入那个房间。
I allowed him to use my room.= I let him use my room. 我让他使用我的房间。
当allow后接不接人称代词或名词时，后面的动词须用 –ing 形式，而不能用不定式。如：
My parents don’t allow us to smoke. Smoking is not allowed both at home and at school.
我父母不允许吸烟。
注意：这一用法中的allow不能用let替换。
3. In 1943 Jacques Cousteau and his friend made it possible by inventing the scuba machine.
1943年雅克•库斯托和他的朋友发明了水下呼吸器，才能使这成为可能。
make在这里是“使得”的意思，后接不带to的动词不定式。“make sb. do sth.” 意为“让 / 使得某人做某事”。make后还可以跟形容词作宾补。如：
The boss made the workers work twelve hours a day. 老板让工人们一天工作十二小时。
His mother was ill. This bad news made him sad.他的母亲病了，这个坏消息使他很难过。
4. He was amazed at all the colours, and all the beautiful fish.
他对五颜绿色和各种美丽的鱼感到惊奇。
amazed 使（某人）感到惊奇。
She amazed us by dancing so beautifully. That’s why we enjoyed every minute of the party.
她舞跳得如此美，使我们很惊奇，这也使我们聚会时度过了美好时光。
be amazed at / by 感到惊奇。如：
We are amazed at the changes in Beijing. I can’t even find where my old house is.
北京的变化使我们感到惊奇。我几乎找不到旧房子了。
She was amazed by what she saw in China. She is now planning to bring her whole family here next month.
她在中国所见到的情景使她感到惊奇。她正打算下个月把家人都接来。
5. However, when he returned some years later, the colourful coral reefs were dead and grey.
然而，多年以后，当他回来时，艳丽多彩的珊瑚礁已经死了，变成灰色的了。
however conj. 然而；可是；不过；但是
Certainly he agreed. However, I won’t agree,
他当然同意了，然而我不同意。
注：however与but的区别在于，前者较为正式，but不能置于句首，而however 可以置于句首，句中或句末。置于句中时，前后用分号隔开的情况较多。
6. Since water covers most of the earth, Corsteau knew we should keep the seas clean.
由于水覆盖了地球的大部分，库斯托知道我们应该保持海洋清洁。
（1）since与because的区别在于，since常用于指众所周知的原因，而Because常用来回答Why的提问。
Since we are young, we should do more for our country.
既然我们年轻，我们应当多为国家做事。
— Why is Kate absent? 凯特为什么迟到了？
— Because she is ill. 因为她病了。
（2）本句中cover的用法，意思是“用……遮盖；覆盖”。
Snow covered the ground. 雪覆盖了地面。
She cried and covered her face with her hands. 她哭了，用手蒙住了脸。
The desk was covered with dust.= Dust covered the desk. 书桌上布满了灰尘。
7． …, he encouraged everyone to take part in protecting our lakes, rivers, seas and oceans.
……，他鼓励每个人加入到保护我们的河流、湖泊和海洋的行动中来，take part in意为“参加（活动）”一般表示在活动中还承担一定的职责。
He always takes an active part in all kinds of activities in school.他总是积极参加学校各种活动。
join也有参加的意思，但是该词主要强调参加某项组织。如：He joined the party when he was eighteen years old.他十八岁就入了党。
8.— … but I’ve gone scuba diving. — So have I.
— ……但是我去潜水了。 — 我也去了。
“So＋be/情态动词/助动词＋主语”这种简略结构表示“某人也……”如：I like green very much. So does Lily. 我喜欢绿色，莉莉也喜欢。
Tom can swim, so can I. 汤姆会游泳，我也会游。
She is a student. So are they. 她是学生，他们也是。
I went to the zoo yesterday. So did Mary. 昨天我去了动物园，玛丽也去了。
so＋主语＋be/情态动词/助动词，这种结构强调“……确实如此”。如：Her husband is English. So he is. 他丈夫是英国人。是的，他是。
Tom studies very hard. So he does. 汤姆学习很努力。是的，他确实很努力。
She passed the exam. So she did. 她通过了这次考试。是的，他确实通过了。
9. I’ve been down as long as two hours. 我在水下待了两小时之久
as long as …长达……
It took us as long as four hours to get over the mountain.我们花了四个小时才翻过了那座山。
Mr. Brown spent as long as two and a half years writing the novel.
布朗先生花了长达两年半的时间才写完这部小说
注：类似的用法还有as much as, as large/big as, as wide as, as high as等等。如：
Look at the tower, it is as high as sixty metres. 看那座塔，它高达60米。
I spent as much as ten thousand yuan on the piano. 买这架钢琴，我花了多达一万块钱。
注意：as long as这个短语还可以做从属连词用来引导条件状语从句。意思是“只要……”，也可以说；so long as。如：As long as I live, I’ll study. 只要我还活着，我就要学习。
You may borrow the books so long as you keep it clean.
只要你能保持书的清洁，你就可以借书。
As long as we don’t lose heart, we’ll find a way to overcome the difficulty.
只要我们不灰心，我们就能找到解决问题的出路。
10. Maybe we can go scuba diving sometime. 也许改天我们能潜泳。
Maybe it will rain tonight. 可能今天晚上会下雨。
Maybe it is true. 也许这是真的。
It may be wrong. 这可能有错。
11. Not all sharks are alike. 并不是所有的都相似。
alive adj. 意思为“相同的；相像的”常做表语。
They were born on the same day. The two brothers are very much alike.
他俩出生于同一天。这兄弟俩长得很像。= They were born on the same day. The two brothers are very like. 他俩出生于同一天。这兄弟俩长得很像。
注意：like 之前可以用very 来修饰，但是alike之前则不行。另外，alike也可以用做副词。如： You and I think alike.你和我的想法一致。
Great minds think alike. 英雄所见略同。
12. … but many sharks feed on fish, other sea animals, smaller sharks and sometimes people.
……许多鲨鱼以鱼和其他的海洋动物，较小的鲨鱼为食，有时还以人为食。
Feed on sth. 以……为食
Cows feed on hay. 奶牛吃干草。
The children always feed on the best of food. 孩子们常常吃最好的食物。
13. It is said that one of the most dangerous sharks is the great white shark.
据说有一种最危险的鲨鱼是大白鲨。
It is said …据说……
It is said that you are good at operating computers. 据说你很会操作电脑。
It is said that the sports meeting will be put off till next Thursday.
据说运动会会推迟至下周四举行。
类似的句型还有：
It is thought that … 据认为……
It is known that … 众所周知……
It is reported that … 据报道……
关于现在完成时态的归纳
1. 现在完成时态的结构have/has＋过去分词
2. 现在完成时涉及两个时间概念。一是过去，二是现在。谓语动词虽然所表示的动作发生在过去，但是该时态所强调的还是对现在的影响或结果。关键在于这种影响和结果正是说话人的兴趣所在。因而，该时态通常不带有时间状语。如：
The boy has come back. 孩子回来了。（意思是说孩子在家。）
I’ve lost my pen. 我把钢笔给丢了。（意思是说我现在没有钢笔用。）
3. 现在完成时态还可以用来表示开始于过去，且该状态一直延续至今而且还有可能继续下去的可能性的情况。谓语动词的动作通常是可持续的。如：
I have lived here for more than twenty years. 我在此住了二十多年了。
Nothing has happened ever since. 打那以后就什么也没有发生过，
4． 非延续性动词用于现在完成时态的时候，通常不带表示时间段的时间状语，因此不和for或者since连用。例如，不能说：I have bought the house for two years / since two years ago.
而应当说：I bought the house two years ago.
或者说：I have had the house for two years.
或者说：It’s two years since I bought the house.
但是非延续性动词的否定式可以和表示一段时间的时间状语连用，表示这种动作的否定状态的延续。如：I haven’t bought anything for a week / since you left.
我已经有一个礼拜没有买东西了。/自从你离开以后我没有买过任何东西。
5． 同学们应当特别注意的是，现在完成时态是一个属于现在时态的范畴，所以它可以和包括“现在时刻”在内的时间状语连用。如：
Now, today, this morning / week / month / year, by now, so far, up to now, already, before, just, ever, never, always, recently, lately.等等。如：
I have done nothing today. 我今天什么事情也没有干。
We have had four lessons this morning.
今天上午我们上了四节课。（说话时还没有超出上午的范围）
Have you seen her before? 你以前见过他吗？
6．当强调行为的行为时间、执行者、行为方式、行为场所、行为原因时，句中一般用一般过去时，而不用或者很少用现在完成时，间或用现在完成时也是为了强调结果。如：Who did it? How did he do it? Why did he do it? Where did he do it? When did he do it?
三、典型例题解答与分析
例1 I don’t think the girl is right, ________ ________?
A. do I B. is she C. isn\'t she D. does she
解析 答案B。一般来说含有宾语从句的句子改为反意疑问句时，疑问部分常与主句的主谓语要一致，但主句的主语是第一人称时，疑问部分常与从句的主谓要一致。本句中从句的动词为be，且前面表示否定，这样A、C、D都不合题意，B是正确答案。
例2 单项选择填空
( ) 1. The old writer lives ________, but he doesn\'t feel ________.
A. alone; alone B. alone; lonely C. lonely; lonely D. lonely; alone
( )2. There are bookshops on ________ side of the street. _________ of them do not close till midnight. A. both; All B. every; None C. either; Some D. other; Many
( )3. I don’t like this movie, ________. A. either B. neither C. too D. also
( ) 4. I don’t know if he ________ tomorrow. If he ________, I’ll call you.
A. comes; comes B. will come; will come C. will come; comes D. comes; will come
解析
1．B． alone可用做副词，意思是“单独的；独自的”。形容词lonely可作表语，意思是“孤独的；寂寞的”，指心理上感到寂寞、孤独等。
2．C．“在街道两边”要说on half sides of the street或者 on either side of the street。选项 A中的 both不能接side。选项B中的every表示三者和三者以上的每一个，故B不符合题意。如果要表达“在街道的另一边”应为on the other side of the street。选项D中other前没有冠词the．因此选C。
3．A．either和too意思均为“也”，做副词用时放在句末，但either用在否定句中，too和also用在肯定句中。
4．C．第一个if引导的是宾语从句，主句谓语动词的时态用现在时，从句可用现在时或将来时。第二个if引导的是条件状语从句，谓语动词的时态要用现在时表示将来。句中tomorrow提示从句应用将来时，所以选C。
例3 下列各句A、B、C、D中有一处错误，将错处序号填入题前括号内并在后面横线上写出正确的答案
( ) 1. How long have the Whites arrived in China?________
A B C D
( ) 2. Wang Qiu was too tired to do something else by then.________
A B C D
( ) 3. I could hear him speaking to myself in the sitting - room .________
A B C D
( ) 4. The plane arrived in nine past nine the day before yesterday.________
A B C D
( )5. He could able to tell us what had happened over there.______
A B C D
( )6. Tom is well at English, but a little weak in Chinese.________
A B C D
解析
1．C，been。arrive是终止性动词，不能和表示长度的时间状语连用，应将arrive改为持续性动词。
2．B，anything。因too…to结构中不定式具有否定含义，所以应将不定代词something改为anything。
3．C，himself。此处的意思是自言自语，那么自身代词就应与前面发出动作的人称代词相一致。
4．B，at。表示在时间的某一点上用at，in通常表示在某个时间范围内。
5．A，was able to，can与be able to在一般情况下可以互换使用，但两者无论在任何情况下都不能合用。
6．A，good，be good at是个固定词语，它相当于do well in，两者中间的good与well不能混用。
例4 就下列各句划线部分提问
1) My mother paid fifty yuan for the skirt.______ _____ did your mother ______ for the skirt?
2) I don’t like summer because it’s too hot. ________ ________ you like summer?
3) I have been to Shanghai twice. ________ ________ ________ have you been to Shanghai?
4) It’s going to be rainy tomorrow.____ _____ the weather going to ____ _____ tomorrow?
5) Sam has stayed in Beijing two months.______ _____ months has Sam stayed in Beijing?
6) All that afternoon Ted jumped and sang all kinds of songs.
________ ________ Ling Feng ________ all that afternoon?
解析
就谓语提问时，无论是及物动词带宾语或是不及物动词，问句都以what开头，并以do的适当形式代替谓语动词。同时，助动词也要根据需要变化形式。就宾语提问时，表示人的疑问词用whom或who，表示物的用what或which。就状语提问时，表示时间的通常用when，表示地点的用 where，表示原因的用why，表示程度或方式的用how。就定语提问时，修饰主语的，问句语序不变，就修饰宾语或表语的定语提问，必须把代替它的疑问词和它所修饰的词一起提到句首。问谁的用whose，问哪个用which或What，问数量用how many（可数）或how many（不可数），问次数的用how many times等。
答案为： l) How, much, pay 2) Why, don’t 3) How, many, times.
4) What, is, be, like 5) How, many 6) What, did, do 7) How, old
四、习题精选 初三英语总复习单元自查练习（UNIT 6）疑难解答。（本习题课前发给学生）
I. 词语练习
A) 从下列各题所给的三个选项中选择与句中划线部分意思最接近的解释。
( )1. We have been to the Great Wall twice before. A.two times B. twins C. already
( )2. You can borrow the book, but you must return it on time.
A. get it back B. give it back C. take it bake
( )3. Hold on for a moment, please. A. Come on B. Rest C. Wait
( )4. Tom’s mother is ill. We must send for the doctor at once.
A. go to see the doctor B. ask the doctor to come C. take her to the doctor
( )5. This question is easy to answer. A. important B. not difficult C. hard
( )6. The plane arrived in Moscow on time yesterday. A.reached B. got in C. visited
参考答案：1—6 A B C B B A
B) 根据句意选择适当的词语填空。
1. ________ me to introduce my friends to you. (promise, allow)
2. ________ you use it, it won’t break.
He tired to his best to run as fast as I, ________ he is too weak. (however, but)
3. ________ the method doesn’t work, let’s try another. (since, because)
4. I remember seeing her ________ last year. (sometime, sometimes)
5. I wish I could swim ________ you. The twins are dressed ________. (like, alike )
参考答案：1.allow2.However, but 3.Since 4.sometime 5.like; alike
II. 根据中文提示，完成下列句子，每空一词，缩写词算一词。
1、如果你不努力，你将会落到其他学生后面。
If you don’t work hard, you will __________ ___________ the other students.
2、李雷和林涛同时把棒子传了出去。
Li Lei and Lin Tao passed on their sticks at _________ _________ time.
3、昨天晚上直到我母亲回来我才睡觉。
I _________ go to bed _________ my mother came back last night.
4、前天我完成作业用了一个半小时。
It ________ me one hour and a half ________ finish my homework the day before yesterday.
5、我认为他今天不会来了。I _________ _________ he will come today.
6、和数学相比，我更喜欢科学。I _________ science better _________ maths.
参考答案：1. fall, behind 2.the same 3.didn’t, until 4.took, to 5.don’t think 6.prefer, to
III. 单项选择
( ) 1 She ____ talking with the headmaster now. A. am B. are C. is D. were
( ) 2. His full name is John Henry Brown. You can call him ____.
A. Mr Brown B. Mr John C. Mr Henry D. Mr John Henry
( ) 3. Thomas Edison was born ____ 1847. A. on B. at C. to D. in
( ) 4. Tom is young, ____ he knows a lot. A. and B. so C. but D. or
( ) 5. There’s some water in the bottle, ________ there? A. is B, isn’t C. are D. aren’t
( ) 6 Miss Yang asks her students ____ English every morning.
A. read B. reading C. to read D. reads
( ) 7.— “Where’s Jim?” —“He ___ to the library.”
A. went B. has gone C. has been D. goes
( ) 8. Could you tell me ___ ?
A. the train leaves when B. when does the train leave
C. when leaves the train D. when the train leaves
( )9. I have two books. ____ of them are interesting. A. Both B. Every C. One D. All
( )10.—“Hi, Tom! We won the relay race yesterday.” —“____________!”
A. Excuse me. B. Congratulations C. Never mind D. Good idea
( )11.They will go to work on the farm if it ________ rain tomorrow.
A. isn’t B. doesn’t C. won’t D. don’t
( )12. I have ________ to tell you.
A. something important B. important something
C. anything important D. important anything
参考答案： 1—5 C A D C B 6—10 C B D A B 11—12 B A
IV. 完型填空
A Uncle Wang works in a factory. He has worked there since the factory opened in 1949. Every year the __1__ from the school nearby visit it, and last November it was Class 3’s __2__ .
One morning, Uncle Wang welcomed the students when they __3__. He told them that the factory made many kinds of useful things, for example, bicycle parts and tractor parts. Then he showed them around the __4__.
They came to No. 1. Machine Shop first. There were different kinds of __5__ there. Some of them were cutting machines and they cut big pieces of metal into __6__ ones. Uncle Wang told the students not to touch the machines, because they were __7__.
The students then followed Uncle Wang to see a big and noisy machine in another __8_ of the shop. It was a machine that joined the metal pieces together. The students saw some workers working there, in thick clothes and with glasses over their __9__. “What are they making?” asked Li Lei. Lucy was __10__ enough to say, “They are making ladders!”
( ) 1. A. workers B. soldiers C. doctors D. students
( ) 2. A. day B. week C. turn D. year
( ) 3. A. finished B. visited C. arrived D. went
( ) 4. A. factory B. school C. park D. station
( ) 5. A. machines B. bicycles C. tractors D. buses
( ) 6. A. light B. heavy C. small D. large
( ) 7. A. safe B. dangerous C. interesting D. important
( ) 8. A. corner B. field C. village D. city
( ) 9. A. ears B. eyes C. noses D mouths
( ) 10. A. clever B. happy C. hungry D. beautiful
参考答案： 1---5 D C C A A 6---10 C B A C A
B One Saturday morning a careless car–driver threw a lighted cigarette (点着的香烟) out of his car ten kilometres west of the small Canadian town of Stanton. The trees at the side of the road was dry because there had been no _1_ for many days. A few minutes later the trees were on fire( 火).
A truck driver saw the fire when he was on his _2_ to Stanton. As soon as he reached the town, he told the police about it. Soon fire fighters were _3_ westwards. When they reached the fire, they saw that it was very big. It could not spread（蔓延） to the north because there was a _4 _ or to the south because there was a wide river. But a west wind was carrying the _5 _ to Stanton and the fire fighters could not _6 _ it. Then, one of the fire fighters sent a _7 _ back to the town by radio.
Lots of people hurried to a place about half a kilometre west of the town. There they would use dynamite(炸药) to blow down the _8 _ and to clear a wide path（小路） through the trees. When the fire reached the path it began to die down because there was nothing _9 _ to burn (燃烧). _10 _ several hours they put out the fire and save the town.
( ) 1. A. wind B. rain C. snow D. cold
( ) 2. A. way B. road C. street D. work
( ) 3. A. going B. hurrying C. getting D. coming
( ) 4. A. park B. building C. zoo D. lake
( ) 5. A. trees B. fire C. truck D. car
( ) 6. A. help B. save C. get D. stop
( ) 7. A. paper B. message C. book D. letter
( ) 8. A. trees B. hills C. houses D. walls
( ) 9. A. left B. bad C. serious D. good
( ) 10. A. For B. Before C. until D. After
参考答案： 1---5 B A D D B 6---10 D B B A D
V. 改错 下列各句中都有一个错误，请按下列要求改正：
该句多一词：在多余词下划一横线，并在该句右边的横线上，用斜线划掉；
该句少一词：在所缺词处加一漏词符号（∧），并在该句右边的横线上写出该加的词；
该句错一词：在错词下划一横线，并在该句右边的横线上写出正确的词。
1. The policeman stoped the truck at the traffic lights._________
2. He draws as good as his brother._________
3. He got up early on this morning._________
4. I will be back in half a hour._________
5. She is the more popular singer in China._________
6. We can see a lot people in the park._________
参考答案：
1. The policeman stoped the truck at the traffic lights.__stopped__
2. He draws as good as his brother.___well____
3. He got up early on this morning.___on_____
4. I will be back in half a hour.___an_____
5. She is the more popular singer in China.___most___
6. We can see a lot ∧ people in the park.___of_____
Ⅵ. 书面表达
A) 根据中英文提示，用英文写一段话，要求不少于四句，所给的词语都必须用上。
昨天下午天正下着大雪。李雷在放学回家的路上看见一位老妇人摔倒了。幸好她没有受重伤。于是他帮助她站起来并把她送到了医院。
it, snow heavily, yesterday afternoon. on one’s way home, see, an old woman, fall down
Luckily, not badly hurt help, stand, take ... to hospital
参考答案：
It snowed heavily yesterday afternoon. Lilei was on his way home. He saw an old woman fall down. Luckily, she was not badly hurt. Lilei helped the old lady stand up and took her to hospital.
B) 根据中英文提示，写出意思连贯，符合逻辑的英语短文。所给的英语提示语必须都用上。
怀特先生昨天早上起晚了，所以他没赶上火车，只好叫出租车。他路上遇到了什么？他迟到了吗？经理怎么说？
Mr White, called for, unfortunately(不幸地), a road accident, happen, a traffic jam, wait, a long time, get, office, already, 10 o\'clock am, manager, angry, tell, late again, change another job, sorry
参考答案：
Mr White got up late yesterday morning, so he missed the train. He called for a taxi. Unfortunately it happened a road accident. There was a traffic jam. Mr White waited for a long time. When he got to the office, it was already 10 o\'clock am. His manager was very angry. He told Mr White that if he was late again, he’d better change another job. Mr White was so sorry after hear that.
C）根据中英文提示，写出意思连贯，符合逻辑的英语短文。所给英语提示语必须都用上。
约翰是一个不太细心的男孩子。一天，他把自行车钥匙丢了，他的朋友汤姆帮他到处找，请你想一想，后来怎样呢？
not, enough, lose, be not able to, home, here and there, but, not, at last, has to, home, with, on him
参考答案：
John isn’t careful enough. (isn’t a careful enough boy. ) One day he lost the key to his bike and wasn’t able to go home by bike. His friend Tom helped him look for it here and there, but they couldn’t find it. At last, John had to walk home with his bike on him.
五、布置作业
1、预习UNIT7
2、完成练习：初三英语总复习单元自查练习（UNIT 7）
3、摘录疑难问题
六、课后反思
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