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九年级英语Unit13《We're trying to save the earth!》知识点1.现在进行时定义：表示说话时（瞬间）正在进行的动作，也表示目前或现阶段一直进行的动作。
结构: ①肯定句: 主语+ am/is/are + V-ing②否定句: 主语+ am/is/are + not + V-ing③疑问句: Am/Is/Are + 主语+ V-ing用法：1）表示说话时正在进行的，目前正在发生的动作。
① Look! The big bird is flying away. ② He is watching a movie now. 2）表示目前一段时间内正在进行，但说话时可能没有进行的动作。
Right now I am studying Chinese by distance learning. 我现在正通过远程教育学习汉语。
1) 2)常带有表示目前时刻的时间副词, 如：now, right now, at the (very) moment, for the time being, at present, these days及Look! Listen! ...3）与always, constantly, forever, all the time等副词连用，表示动作反复或习惯。
此时句子常含有说话者的强烈情感在内。
表达较强的“责备”或“表扬”之意① Y ou are always changing your mind. 你总是主意不定。
(太烦人了)② He is always helping others.他总是帮助别人。
(他真是个好人)4）对于come, go, leave, arrive, start, fly, drive等表示位置移动的动词常可用进行时态表将来。
① He is leaving on Wednesday.② Mary isn’t here at the moment. She is coming later.ed to do过去常常做某事见第四单元及use用法be/get used to doing 习惯于做某事be used to do=be used for doing 被用来做某事3.被动语态见第五单元注意：接双宾语的词的被动语态；make /let /have sb do的被动语态；see/ hear /notice /find /observe/notice sb do的被动语态；It’s said/reported/believed/supposed/well-known that；及无被动语态的三种情况（感官动词、不及物动词、sell/write等）4.现在完成时:用法：①过去发生的动作对现在造成的影响或结果：强调结果Yesterday I finished my homework, that’s to say, I have finished my homework now.②过去已经开始一直持续到现在的动作或状态：强调继续I have lived here since 1990.现在完成时的构成have/has+过去分词现在完成时的四个基本句型肯定句He has finished the work.一般疑问句Has he finished the work?否定句He has not finished the work.两回答Yes ,he has. No, he hasn’t.特殊疑问句What has he done?在下列情形下用现在完成时1九词语①already 已经肯定句中或句尾I have already found my pen. = I have found my pen already.②yet已经否定句和疑问句句尾I have not finished the work yet. Have you bought a computer yet?③ever曾经句中Have you ever seen pandas?④never从不句中I have never been to Beijing.⑤just刚刚句中I have just done my work.⑥before以前句尾I have never been there before.⑦so far到目前为止So far he has learned 200 words.⑧how long多久How long have you lived here?⑨how many times多少次How many times has he been to Beijing? 2两词组have<has>gone to去了某地例：He has gone to Beijing (去了北京，没回)have<has>been to去过某地例：He has been to Beijing. (去过北京，回了)3两结构for two months for +一段时间Jim has lived here for 2months.since last year since +过去时间点Lucy has been in Beijing since 3 years ago.since 3 years ago since 1990since he came here since +过去时态句子He has been in China since he came here.4如果句子里面没有时间状语，汉语意思能够加“已经”，往往用现在完成时态。
2022-2023学年九年级英语上册单元易错句型专项突破Unit 13We're trying to save the earth!一、单选题1．—The traffic is becoming worse and worse in big cities because of private cars.—_________. People should use public transportation more often.A．I agree B．I'd love toC．I hope not D．I'm afraid not2．his parents he likes the red car, but they can't afford it.A．Both; and B．Not only; but alsoC．Neither; nor D．Either; or3．My wife often forgets the door, but she remembered it when she left yesterday.A．to close, closing B．closing, to closeC．closing, close D．to close, close4．I spend an hour to music every day.A．listen B．to listen C．listening D．listened5．He'd rather at home than out.A．to stay, to go B．to stay, goingC．stay, go D．staying, to go6．When they came to the forest, they suddenly heard somebody for help.A．called B．to call C．calling D．calls7．Mr. Green asked us to stop ____. So we stopped ______ to him at once.A．talking; listening B．to talk; listeningC．talking; to listen D．to talk; to listen8．He can ________ dance, because his leg was badly hurt.A．no more B．no longer C．not more D．not longer9．There used ________ a small river in front of my house. The water in it was clean.A．be B．to be C．to being D．is10．Not only my friends but also I interested in football and Messi is our favorite star.A．are B．be C．is D．am11．This is the place we spent our happy childhood.A．that B．which C．where D．when12．—Do you miss your families far away?—Yes, very much. I the hometown for over two years.A．left B．were away fromC．have left D．have been away from13．—Some children can't afford necessary stationery.—Let's donate our pocket money to them.A．buy B．buying C．to buy D．be bought14．— I hear that the new park is beautiful. Could you tell me _________?— You can go there by subway.A．where is it B．how far is itC．how I can get there D．which bus should I take15．I love places __________the people are trying to save their environment.A．that B．whereC．who D．which二、翻译16．根据汉语意思完成句子, 每空一词。
人教版九年级英语第十三单元重点、难点、考点及疑点注释人教版九年级英语第十三单元重点、难点、考点及疑点注释Unit 13 Rainy days make me sad.重点、难点、考点及疑点注释1. I’d rather go to the Blue Lagoon Restaurant... (P102)我宁愿去Blue Lagoon餐厅，……would rather意为“宁愿……”，表示句子主语的愿望、选择，后接省去to的不定式。
He’d rather join you in the English Group. 他宁愿加入到你的英语小组中来。
Which would you rather have, bread or rice? 面包和米饭，你更喜欢哪一个？如果表示“宁愿（可）……也不愿……”则用句型would rather...than...。
在would rather和than后面所连接的两个对比部分一般要一致。
The brave soldier would rather die than give in.那个勇敢的士兵宁死不屈。
He’d rather work than play. 他宁愿工作也不愿玩。
They preferred to die of hunger rather than take his bread.他们宁愿饿死也不愿接受他的面包。
2. Loud music makes me happy. (P103)嘈杂的音乐使我很开心。
Loud music always makes me want to dance. (P103)嘈杂的音乐总是使我想去跳舞。
这两句是动词make的使役用法，make me后分别接了形容词和不定式短语。
make的这种用法常见于以下结构：◎ make+名词（代词）+省略to的动词不定式My parents often make me do some other homework. 我父母常让我做些其他的作业。
⼈教版新⽬标英语九年级全册Unit13单元课时随堂练习及答案解析Section A(1a—2d)Ⅰ. 根据句意，从⽅框中选择恰当的单词填空，有的需要变换形式。
1. Look! His face is as black as _________.2. People made fun of Tom because he wore such a(n) _________ hat.3. More information will be found at the _________ of the page.4. Did you read the article about the two _________?5. Tim cut down a tree and made several _________ houses for birds.6. You shouldn’t use _________ bags when you go shopping. Bring your own bags.Ⅱ. 根据汉语意思及括号内所给提⽰语，将下列句⼦翻译成英语。
1. 这辆新车花了很多钱。
(cost)____________________________________________2. 吃太多的糖会引起健康问题。
(lead to)____________________________________________3. ⼤声朗读还有别的好处。
(advantage)____________________________________________4. 这位⽼师的话已经起作⽤了。
(make a difference)____________________________________________5. 记得放学后去趟邮局。
(remember)____________________________________________6. 每个⼈都应该在保护环境中起作⽤。
人教版新目标九年级全册英语Unit 13 单元语法知识点考点复习提纲Unit 13 We're trying to save the earth!Section Awrite to ... 给……写信the bottom of the river 河底throw litter into the river 往河里扔垃圾clean up ... 把……打扫干净land / air / noise / water / waste pollution土地 / 空气 / 噪音 / 水 / 垃圾污染turn ... into ... 把……变成……cut down air pollution 减少空气污染instead of 代替be good for ... 对……有好处takeaway food 外卖食品keep public places clean and beautiful 保持公共场所干净美观make a difference 影响；有作用lead to 带来；导致hear of 听说a bowl of shark fin soup 一碗鱼翅羹cut off 切掉be harmful to ... 对……有害no longer 不再at the top of ... 在……顶部或顶端the food chain 食物链environmental protection group 环境保护组织develop laws 制定法律so far 到目前为止scientific studies 科学研究take part in 参加help out 帮助摆脱(困境)take action 采取行动begin with ... 以……开始save electricity 省电turn off the lights / shower 关灯 / 淋浴器pay for 付费；付出代价add up 加起来use public transportation 使用公共交通工具Section Bstop doing sth. 停止做某事ride in cars 乘小汽车paper napkins 餐巾纸throw away 扔掉；抛弃put sth. to good use 好好利用某物have a creative mind 拥有创意的头脑build ... out of ... 用……建造……pull ... down 拆下；摧毁upside down 上下颠倒；倒转in front of ... 在……前面win a prize 获奖open a small shop 开一家小店set up a website 建网站sell ... online 在网上出售……use ... to do sth. 用……做某事set up a small business 经营小生意be known for doing sth. 因做某事而闻名look like 看起来像the importance of environmental protection环境保护的重要性bring back 恢复；使想起；归还【重点句型】1. Even the bottom of the river was full of rubbish. 甚至河底都充满垃圾。
Unit13 SectionA 教材重难点知识详解1. We’re trying to save the earth!try to do =try one’s best to do 努力去做某事。
e.g. Every student should try to study hard in order to study in a university.为了进入大学学习，每个学生都应该努力学习。
2. Here are some words related to different kinds of pollution.be related to 与…有关e.g. I am not related to him in any way. 我和他无任何关系。
3. Everyone in this town should play a part in cleaning it up!play a part in 在……方面起作用e.g. A good diet plays a large part in helping people live longer.健康的饮食在帮助人们长寿方面起着非常大的作用。
play a part 在……中扮演角色e.g. He was invited to play a part in this TV play.他被邀请参加这个电视剧的演出。
4. Even the bottom of the river was full of rubbish.Yes, but people are throwing litter into the river.litter 和rubbish 都可指“垃圾”，用作不可数名词。
rubbish 指“没用的东西(被扔或将要丢弃的无用的东西)”不可回收。
litter 指“(室内或公共场所)乱扔的废物(纸屑、不要的包装纸、废瓶等)”还可回收e.g. Throw the rubbish out. 把垃圾扔出去。
人教版新目标九年级英语Unit13单元知识点总结及练习人教版新目标九年级英语Unit 13单元知识点总结及练习Unit 13 We’re trying to save the earth!重点单词：Littler, bottom, fisherman, coal, ugly, advantage, cost, wooden, plastic, takeaway, cruel, harmful, industry, law, scientific, afford, reusable, recycle, gate, bottle, president,work, metal 重点短语:be full of 充满close down 关闭play a part in 扮演角色clean up 打扫卫生cut down 减少instead of 代替make a difference 起作用，有影响used to 过去常……lead to 通往……hear of 听说be harmful to …对……有害the food chain 食物链at the top of 在……顶部或顶端turn off 关掉take part in 参加pay for 付费；付出代价take action 采取行动throw away 扔掉；抛弃put sth. to good use 好好利用某物pull…down 拆下；摧毁turn upside down 上下颠倒；倒转set up 建起，成立bring sb. Back to 使想起be known for 因……而闻名重点句式：1.It used to be so clean.它过去是那么干净。
2.Everyone in this town should play a part in cleaning it up.我们镇上的每个人都应该尽一份力把这条河清理干净。
Unit 13 We’re trying to save the earth.知识点讲解一、litter n. 垃圾v. 乱扔1、litter作名词相当于rubbish，是不可数名词。
例句：There is some litter in the classroom. 教室里有一些垃圾。
【辨析】litter和rubbish都可指＂垃圾＂，用作不可数名词，但含义不同。
2、例句：The floor was littered with papers. 地板上乱七八糟扔了许多报纸。
二、cut down 削减；砍倒cut down意为＂减少＂；是＂动词+副词＂结构的短语，其后接的宾语为名词时，宾语可位于down的前面或后面，为代词时，只能位于down前面。
例句：Car owners were asked to cut down travel. 车主们被要求减少出行。
例句：Trees are helpful to us. Don’t cut them down.树对于我们有益处，不要砍伐它们。
【辨析】cost作动词时，常用于Sth cost(s) sb some money. 这一句式中。
作名词时，意为＂花费，价钱＂。
例句：It must cost a good deal to live here. 住在这里一定要花很多钱。
例句：The price of coffee fell so low . 咖啡的价格跌得那么低【辨析】take / spend / cost /paytake，spend，cost，pay的用法都可以表示＂花费＂，但用法却不尽相同。
1、spend的主语必须是人，常用于以下结构：①spend time / money on sth 在……上花费时间(金钱)①spend time / money (in) doing sth 花费时间(金钱)做某事2、cost的主语是物或某种活动，还可以表示＂值＂，常见用法如下：①sth costs (sb) ＋金钱某物花了(某人)多少钱①(doing) sth costs (sb)＋时间某物(做某事)花了(某人)多少时间【温馨提示】cost的过去式及过去分词都是cost，并且不能用于被动语态。
Unit 13 We are trying to save the earth!1.瞧那儿的脏东西，马上把它清除掉。
误：Look at the rubbish over there, clean up it at once.正：Look at the rubbish over there, clean it up at once.解析：clean up“打扫”，是“动词+副词”结构的短语动词，宾语若是代词，需将代词放在动词和副词之间。
如：Your bedroom is so dirty. Would you please clean it up?你的卧室很脏，请打扫一下好吗？[课文要点]Everyone in this town should pay a part in cleaning it up. (P97)2. 我花了20美元买这本误：I cost 20 dollars for this dictionary.正：I paid 20 dollars for this dictionary.正：I spent 20 dollars on this dictionary.解析：cost“花费金钱”，主语必须是物。
如：The book cost him one dollar.这本书花了他一美元。
My shoes were really cheap. They only cost five dollars.我的鞋真是很便宜，只花了我五美元。
Pay“花费”，主语必须是人，常用于pay (somebody) money for something付钱（给某人）买……；pay forsomething“付……的钱”；pay for sb.“替某人付钱”。
如：I have to pay them 20 pounds for this room each month.我每个月要付20英磅的房租。
如：I have to pay for the book lost.我不得不赔丢失的书款。
spend的主语必须是人，常用于spend time （money）on something“在……上花费时间（金钱）”和spend time ／money (in) doing something. “花费时间（金钱）做某事”。
如：I spent two hours on this maths problem.这道数学题花了我两个小时。
如：They spent two years (in) building this bridge.造这座桥花了他们两年时间。
[课文要点]It’s good for health and it doesn’t cost anything!(P98)3. 世上无难事，只要肯登攀。
误：Nothing is too difficult if you put your heart into it.正：Nothing are too difficult if you put your heart into it.解析：Nothing做主语时，谓语动词一般用作单数。
如：Nothing is found in the house.屋子里什么也没有。
[课文要点]Nothing is a waste if you have a creative mind. (P102)4. 多吃蔬菜对你的健康有好处.误：Eating more vegetables is good to your health.正：Eating more vegetables is good for your health.解析：be good to意为“对……友好/和蔼”，其后接表示人或相应的名词。
如：The young should be good to the old.年轻人应该孝顺老人。
be good for“对……有益”，其后接表示人或事物的名词。
如：Doing morning exercises is good for our health.做早操对我们的健康有益。
[课文要点]So far, no scientific studies have shown that shark fins are good for health, so why eat them? (P99)5. 足够的钱买不起房子。
误：I can’t affordbuy ing a house because I have enough money.正：I can’t afford to buy a house because I have enough money.解：afford意为“买（支付）得起”，常与can, be able to连用，后跟名词、代词或动词不定式，不能跟动词-ing形式。
如：They walked because they couldn’t afford to take a taxi.他们因坐不起计程车而步行。
I want to get my car repaired because I can’t afford a new one.我想请人把车子修一下，因为我买不起新的。
[课文要点]Yes, we can’t afford to wait any longer to take action! (P100)6. 我去开会。
误：He will go to the meeting instead me.正：He will go to the meeting instead of me.解析：instead 是副词，意思是“代替”、“顶替”。
如：Last summer I went to Qingdao. This summer I’m going to Dalian instead.去年夏天我去了青岛。
今年夏天我将去大连。
instead of是短语介词，意思是“代替”、“而不是”.它后面一般接名词、代词、动名词或介词短语作它的宾语。
如：Shall we have fish instead of meat today?我们今天吃鱼不吃肉，好吗？Give me the red box instead of the yellow one.把那个红色的盒子给我，不是这个黄色的。
We’ll have tea in the garden instead of in the house.我们将在花园里，而不在屋子里喝茶。
（此句中的of和in均不可漏掉）[课文要点] Well, to cut down air pollution, we should take the bus or subway instead of driving. (P98)7. 我们赢了他们。
误：We won them in a match.正：We beat them in a match.解析：win意为“赢”，“战胜”。
可用作及物动词，其宾语通常是比赛、战争、奖品、金钱等名词，即race，match，game， competition，war，prize之类的词。
如：He won first prize in the surfing competition．他在冲浪比赛中获得第一。
Beat意为“打败”，其宾语通常是比赛、竞争的对手，即指人或球队的名词或代词。
如：We beat the strongest team in the football match this time．在这次足球赛中我们战胜了最强的那个队。
[课文要点] Amy recently won a prize from the Help Save Our Planet Society. (P102)8. 英语说的正确，还说得流利。
误：Not only he spoke English correctly, but also he speaks it fluently.正：Not only did he speak English correctly, but also he speaks it fluently.解析：not only…but also…前后连接两个句子时，not only后的句子要用部分倒装，但but also 后的分句不用倒装。
如：Not only did he come, but he saw her.他不仅来了，而且还见到了她。
Not only does she speak Spanish, (but) she also knows how to type. 她不但会说西班牙语，还会打字呢。
Not only is he a teacher, but he is also a poet.他不仅是一位教师，而且是一位诗人。
Not only is this young man clever but also he is hardworking.这小伙子不仅聪明，也很勤奋。
[课文要点]Not only can the art bring happiness to others, but it also shows that even cold, hard iron can be brought back to life with a little creativity. (P102)[自我检测]单项填空：1.—Your bedroom is so dirty. Would you please ________,Peter?—OK, mum. I’ll do it right away.A. set it upB. put it onC. pick it upD. clean it up2. The digital camera it very popular, but some still too much. (2012乐山市)A. costB. spendC. payD. take3. Nothing in the world ________ difficult for one who sets his mind to do.A. areB. wereC. wasD. is4. ― I think dri nking milk every morning is good _________ our health.―Yes. I agree ________ you.A. to; toB. with; toC. at; withD. for; with5. —Some children can't afford ________ necessary stationary.—Let's donate our pocket money to them.A. buyB. buyingC. to buyD. be bought6. We are going to go over the text ________ the exercises.A. instead doingB. instead to doC. instead of doingD. instead do7. After we _______ them, we _______ the last match.A. won; beatB. beat; wonC. win; wonD. beat; beat8. Not only_______ more correctly, but he spoke more easily.A. does; speakB. he speaksC. did he speakD. he spoke。
