(完整版)人教版新目标九年级英语Unit13知识点及练习(可编辑修改word版)
(完整版)新目标九年级英语unit13知识归纳与单元测试题含答案
2014—2015新目标九年级英语Unit 13 We are trying to save the earth！1。
at the bottom of the river在河床底部 2. be full of the rubbish充满了垃圾3. throw litter into the river把垃圾扔入河中4. play a part in cleaning it up尽一份力把它清理干净 5. land pollution土地污染6。
fill the air with black smoke使空气中充满了黑烟7。
cut down air pollution减少空气污染 8. make a difference 产生影响9。
shark fin soup鱼鳍汤10. at the top of the food chain处于食物链的顶端11。
in the last 20 to 30 years在最近的20到30年间12. environmental protection groups around the world 全球环境保护组织13.develop laws 建全法律14.the sale of shark fins 鱼鳍买卖15. take part in 参加16。
can’t afford to do sth 负担不起做某事17。
take action 采取行动18。
turn off 关掉19. pay for付费 20. add up累加21。
use public transportation 使用公共交通22。
recycle books and paper 回收书和废纸23. use paper napkins 使用纸巾 24。
turn off the shower 关掉喷头25. ride in cars 开车出行 26. throw away 扔掉27. put sth to good use 好好利用28. pull…down拆下29. an old boat turned upside down一艘倒过来的旧船30。
人教版新目标九年级英语Unit-13-知识点及练习.docx
Unit 13 We are trying to save the earth.知识点及练习Section A知识点1.try v.试图，努力，尝试用法:try to do sth.尽力做某事try doing sth.尝试做某事try one's best (to do sth.) = do one's best (to do sth.)尽某人最大的努力(做某事)短语：try on试穿try out试用，参加选拔have a try 尝试，试一下let me try让我试一下2.the earth地球，表示世界上独一无二的事物前面要加定冠词the。
短语：on the earth在地球上on earth 究竟，到底3.pollution n.污染，污染物f pollute v・污染polluted adj.被污染的短语：air pollution 大气污染，空气污染noise pollution 噪音污染water pollution 水污染4.litter v.扔垃圾n・垃圾二rubbish = trash短语：take out the rubbish 倒垃圾throw rubbish / litter 扔垃圾5.the bottom of ............ 的底部the top of... …的顶部6.be full of = be filled with 充满 ....7.play a part参与…；起作用play a part in “在…方面起作用；参与・・・”，后接名词、代词或动词・ing形式。
8eCUt短语cut down减少，把……砍倒cut in插话cut off切断；断绝cut up切碎cut out删除9. instead of介词短语，后跟名词、代词或动词ing形式。
instead副词，常位于句末。
位于句首时，其后有逗号。
10.Ifs good for health and it doesn't cost anything! (P98)11.be good for 对... 有益，反义词组be bad forobe good at 擅长”，后接名词、代词或动词・ing形式，同义词组do well in obe good with “善于应付.. ”。
人教版英语九年级全册单元unit 13 知识点+测试卷+思维导图
Unit 13 We are trying to save the earth.1.重点词汇：bottom, fisherman, coal, advantage, industry, law, gate, bottle, president, work, metal...2. 短语归纳：1. be full of 充满2. get in the shower 在洗淋浴3. leave sth in sp 把某物留在某地4. by the time... 到……的时候；到……之前5. be late for class 上课迟到6. go off 发出响声7. brush one’s teeth 刷牙8. give sb a lift 捎某人一程9. be about to 即将……；正要……10. stare at 盯着看11. in disbelief 疑惑地；不相信地12. take off （飞机等）起飞13. show up 赶到14. get a chance to do sth 得到一个做某事的机会15. leave for sth 动身去某地16. sell out 卖光17. lose weight 减肥18. run out of 用完3. 必背典句：1. We are trying to save the earth. 我们正在努力拯救地球。
2. The river used to be clean. 这条河过去是干净的。
3. The air is badly polluted. 空气受到严重污染。
4. No scientific studies have shown that shark fins are good for health.没有科学研究表明鱼翅对健康有益。
4.语法知识：英语句子成分分析组成句子的各个部分叫做句子成分。
它包括：主语、谓语、宾语、定语、状语、表语和宾语补足语等。
人教新目标英语九年级全册 Unit 13 Were trying to save the earth 单元语法知识归纳汇总-教育文档
Unit13 单元语法知识归纳汇总Grammar FocusPay attention to the sentences.1) We’re trying to save the earth.2) The river used to be so clean.3) The air is badly polluted.4) No scientific studies have shown that shark fins are good for health.5) We should help save the sharks.1. 现在进行时: Present Progressive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: be (am/is/ are) + v.-ing标志词：Look, Listen, now, right now…e.g. Look! The boy is crying.2. used to do与be used to doingused to do sth. 表示过去常常做某事, 而现在往往不做了, 后接动词原形。
be used to doing sth. 表示习惯于做某事。
e.g. I used to get up at six o’clock.Joe is used to drinking a cup of coffee every morning.3. 被动语态：Passive voice定义：表示主语是动作的承受者，即行为动作的对象的一种语态。
结构：be + 过去分词e.g. A new school was built last year.Our classroom is cleaned every day.4. 现在完成时: Present Perfect定义：表示动作已经完成, 但对现在造成影响; 或者表示从过去某一时间开始一直延续到现在并还可能持续下去的动作。
人教新目标九年级英语Unit13知识点总结复习(Word版)
Unit 13 W e’re trying to save the earth!知识点总结词汇过关1.v. 乱扔n. 垃圾；废弃物2. n. 底部；最下部4. n. 煤；煤块5.adj. 公众的；公共的n. 民众；百姓6.adj. 丑陋的；难看的7.n. 优点；有利条件8. v. 花费n. 花费；价钱9.adj. 木制的；木头的10.adj. 塑料的n. 塑料；塑胶11. 有关系，作用，影响12. n. 鲨鱼13. n（.鱼）鳍14.（短语）割掉；砍掉15. n. 方法；措施16. adj. 残酷的；残忍的17. adj. 有害的18. n. 链子；链条19. n. 生态系统20.adj（.数量等）减少的；低的；矮的21. n. 工业；行业22. n. 法律；法规23. adj.可重复使用的；可再次使用的24. v. 承担得起（后果）；买得起25. n. 运输业；交通运26. v. 回收利用；再利用27. n. 餐巾；餐巾纸28.(短语）颠倒；倒转29.n. 大门30.n. 瓶；瓶子31.n. 负责人；主席；总统32. n. 灵感；鼓舞人心的人（或事物33.n. 金属34.n. 创造力；独创性一．本单元语法复习：（1）现在进行时（1）含义：表示正在发生或进行的动作。
（2）基本结构：主语+ be + 现在分词（be 的形式随主语的变化而变化）（3）基本用法：①表示现在正在进行的动作。
特征：常常与now或具体的时间连用，有时句中会有感官动词来提示，或通过上下文来暗示。
②表示现阶段一直进行的动作。
这类动词常常是延续性动词。
常于at present, this week, these days等连用。
③表示主语的特征、性格、能力等(2)现在完成时（1）含义：表示过去发生的动作对现在还有影响。
（2）基本结构：主语+ have / has + 过去分词（3）基本用法：①表示过去发生的动作，但强调对现在产生影响。
九年级英语全册 Unit 13基础知识必背手册 人教新目标版
Unit 13(9) make it 及时赶到(10) make the bed 整理床铺(11) make a decision = make up one's mind 做决定(12) make mistakes 犯错(13) make a speech 作演讲(14) make breakfast / dinner 煮饭(15) make a plan 定计划(16) make a toast to sb. 向某人敬酒(17) be made in + sp. 由某地制造(18) make a living 谋生 (19) make a conversation with sb. 与某人对话(20) make/keep + n. + adj. 使…..怎样make me energeticmake him/them relaxed/fortable(21) make sb. dosth. 使某人做某事 (22) make sb. doing sth. 使某人一直做某事2. scientific research / study 科学研究science (n.) 科学scientist (n.) 科学家3. soft lighting/colors 柔和的光线\颜色4. hard/soft seats 坚硬/柔软的座椅hard = difficult 硬/艰难的work hard 努力地5. serve sb./be served by sb. 为某人服务/被服务6. join a clean-up campaign参加一个大扫除活动president campaign 总统竞选7. endangered animals 濒危动物8. look mysterious 看起来神秘mystery (n.) 神秘9. have shiny hair 有着一头光亮的头发10. have silky skin 有如丝般的肌肤11. lookout sunglasses 太阳镜12. beauty cream 香皂13. make sb. confused 使某人困惑Some ads are confusing and misleading.一些广告使人困惑并且误导。
人教版九年级unit13知识点
人教版九年级unit13知识点人教版九年级Unit 13 知识点Unit 13的知识点主要涵盖了三个方面：句子结构、词汇与语法。
下面将分别进行介绍。
一、句子结构1. 简单句：一个完整的句子，包含一个主语和一个谓语。
例：We watched a football match yesterday.（我们昨天看了一场足球比赛。
）2. 并列句：由两个或多个独立的简单句连接而成，它们之间用逗号或者连接词（如and，but，or等）进行分隔。
例：I like playing basketball, and my brother likes playing soccer.（我喜欢打篮球，而我哥喜欢踢足球。
）3. 复合句：一个完整的句子，由一个或多个主句和一个或多个从句组成。
例：Although it was raining, we still went hiking.（虽然下雨了，但我们还是去爬山了。
）二、词汇1. 人称代词：第一人称（I，we），第二人称（you），第三人称（he，she，it，they）。
例：He is my best friend.（他是我最好的朋友。
）2. 形容词：用于描述名词或代词的特征或属性。
例：The beautiful flowers are in bloom.（美丽的花儿已经开放了。
）3. 副词：修饰动词、形容词或其他副词，用于表示时间、地点、原因等。
例：She runs very fast.（她跑得非常快。
）4. 动词：表示动作、状态或存在的词。
例：They are swimming in the pool.（他们正在游泳池里游泳。
）三、语法1. 一般现在时：表示经常性或习惯性的动作。
例：I always go to bed early.（我总是早睡。
）2. 一般过去时：表示过去发生的动作或状态。
例：She finished her homework last night.（她昨晚完成了她的作业。
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
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。
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。
(完整版)人教版九年级英语第十三单元知识点总结,推荐文档
人教版九年级英语第十三单元知识点总结Unit13.We ’re trying to save the earth!一．单词litter bottom fisherman coal ugly advantage cost wooden plastic takeaway bin shark fin cruel harmful be harmful to at the top of chain the food chain ecosystem industry law scientific take part in afford turn off reusable pay for take action transportation recycle napkin throw away putsth to good use pull...down upside gate bottle president inspiration iron work metal bring back creativity二． 1.此刻进行时定义：表示说话时（瞬时）正在进行的动作，也表示当前或现阶段向来进行的动作。
构造 : ①必定句 : 主语+ am/is/are + V-ing②否认句 : 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，当前正在发生的动作。
①Look! The big bird is flying away. ② He is watching a movie now.2）表示当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.我此刻正经过远程教育学习汉语。
1) 2) 常带有表示当前时辰的时间副词 , 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，表示动作频频或习惯。
新目标英语九年级Unit_13_知识要点归纳
期知1.throw litter into the river 把垃圾扔入河中2.play a part in cleaning it up 尽一份力把它清理干净3.fill the air with black smoke 空气中充满黑烟4.cut down air pollution 减少空气污染5.make a difference 产生影响6.shark fin soup 鱼翅汤7.at the top of the food chain 处于食物链的顶端8.in the last 20to 30years 在最近的20到30年间9.develop laws 健全法律10.can ’t afford to do sth.负担不起做某事11.take action 采取行动12.add up 累加e public transportation 使用公共交通14.recycle books and paper 回收书和废纸15.put sth.to good use 好好利用……16.pull...down 拆下17.an old boat turned upside down 一艘倾覆的旧船18.be an inspiration to sb.对某人来说是一种鼓舞19.set up a website 建立一个网站20.be known for 因……而闻名【重点词汇】【重难点句子】1.Sharks may disappear one day if we do not do something to stop the sale of shark fins.如果我们不采取措施来阻止这种鱼鳍买卖，鲨鱼可能有一天会灭绝。
2.This method is not only cruel,but also harmful to the environment.这种方法不仅残酷，而且对环境有害。
3.The numbers of some kinds of sharks have fallen by over 90percent in the last 20to 30years.在最近的20到30年的时间里，某些种类的鲨鱼的数量已经下降了90%。
最新人教新目标版九年级全册英语unit13知识点精讲精练【含答案】
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。
人教版英语九年级全册单元unit13知识点+测试卷+思维导图
人教版英语九年级全册单元unit13知识点+测试卷+思维导图Unit 13 We are trying to save the earth.1.重点词汇：bottom, fisherman, coal, advantage, industry, law, gate, bottle, president, work, metal...2. 短语归纳：1. be full of 充满2. get in the shower 在洗淋浴3. leave sth in sp 把某物留在某地4. by the time... 到……的时候；到……之前5. be late for class 上课迟到6. go off 发出响声7. brush one’s teeth 刷牙8. give sb a lift 捎某人一程9. be about to 即将……；正要……10. stare at 盯着看11. in disbelief 疑惑地；不相信地12. take off （飞机等）起飞13. show up 赶到14. get a chance to do sth 得到一个做某事的机会15. leave for sth 动身去某地16. sell out 卖光17. lose weight 减肥18. run out of 用完3. 必背典句：1. We are trying to save the earth. 我们正在努力拯救地球。
2. The river used to be clean. 这条河过去是干净的。
3. The air is badly polluted. 空气受到严重污染。
4. No scientific studies have shown that shark fins are goodfor health.没有科学研究表明鱼翅对健康有益。
4.语法知识：英语句子成分分析组成句子的各个部分叫做句子成分。
人教版九年级英语第十三单元知识点总结(K12教育文档)
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人教版九年级英语第十三单元知识点总结Unit13.We’re trying to save the manatees！一．单词litter bottom fisherman coal ugly advantage cost wooden plastic takeaway bin shark fin cruel harmful be harmful to at the top of chain the food chain ecosystem industry law scientific take part in afford turn off reusable pay for take action transportation recycle napkin throw away put sth to good use pull.。
.down upside gate bottle president inspiration iron work metal bring back creativity二．1.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。
(完整word版)新版新目标英语九年级unit13知识点总结,推荐文档
Unit13 We’re trying to save the earth!Section A1. try to do =try one’s best to do 努力去做某事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. be related to 与…有关I am not related to him in any way. 我和他无任何关系。
Everyone in this town should play a part in cleaning it up!3.play a part in在……方面起作用；参与某事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。
4. l itter rubbish garbage waste都可指垃圾不可数名词rubbish没用的东西(被扔或将要丢弃的无用的东西)不可回收litter (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garbage 生活中的垃圾，包括厨房里的剩菜剩饭或者不能再用的食物Waste 任何被丢掉的东西Throw the rubbish out. 把垃圾扔出去。
The room is full of rubbish. 房间里堆满了垃圾。
Pick up your litter after a picnic. 野餐后将废弃物收拾好。
5.cut down 减少把...砍倒裁短缩减cut sb sth= cut sth for sb 为某人切某物cut sth into sth 把某物切成某物cut in 插话超车cut off 切断隔断断绝6. cost v. 花费；使付出指花费金钱，主语通常是物。
新目标九年级英语unit13知识点
新目标九年级英语unit13知识点新目标九年级英语Unit 13知识点Unit 13 in the New Target English series is an important unit that focuses on various aspects of the English language. It covers topics such as vocabulary related to the environment, expressing opinions, presenting arguments, and discussing responsible behavior. In this article, we will delve into some of the key points covered in this unit.One of the main themes in Unit 13 is the environment and environmental protection. The vocabulary related to this topic is crucial for students to understand and communicate effectively. It includes words like pollution, global warming, recycling, sustainable development, and renewable energy. Learning these words not only enhances students' vocabulary, but also raises their awareness of environmental issues, which is essential in today's world.Expressing opinions is another important aspect of Unit 13. To express their thoughts and ideas, students are taught useful phrases and vocabulary. For example, they learn expressions such as "In my opinion," "I believe that," "From my perspective," and "I think that." These phrases help students confidently express their viewpoints and engage in discussions or debates.Furthermore, Unit 13 teaches students how to present arguments effectively. Students learn phrases such as "On the one hand," "On the other hand," "It could be argued that," and "Contrary to popular belief." These phrases enable students to present different points of view and weigh the pros and cons of a given argument. This skill not only improves their English language proficiency but also enhances their critical thinking abilities.Responsible behavior is also emphasized in Unit 13. Students learn about different types of responsible behavior, such as conserving water and electricity, reducing waste, and practicing sustainable habits. They are encouraged to apply what they learn in their daily lives to become responsible global citizens. This unit not only equips students with English language skills but also instills in them a sense of responsibility towards the environment and society.In order to effectively teach Unit 13, teachers can incorporate various activities and projects. For example, students can participate in group discussions or debates on environmental issues. They can also work on projects that involve researching and presenting information on sustainable practices or developing solutions to tackle specific environmental problems. These activities not only reinforce language skills but also promote teamwork and critical thinking abilities.In conclusion, Unit 13 in the New Target English series is a comprehensive unit that covers a wide range of knowledge and skills. From vocabulary related to the environment to expressing opinions, presenting arguments, and discussing responsible behavior, this unit provides students with valuable language and life skills. By incorporating engaging activities and projects, teachers can effectively enhance students' English language proficiency and foster a sense of responsibility towards the environment and society.。
最新2021-2022年人教版九年级新目标英语：Unit 13 知识点总结
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。
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Unit 13 We are trying to save the earth.知识点及练习Section A 知识点1.try v. 试图，努力，尝试用法：try to do sth. 尽力做某事try doing sth. 尝试做某事try one's best (to do sth.) = do one's best (to do sth.)尽某人最大的努力(做某事)短语：try on 试穿try out 试用，参加选拔have a try 尝试，试一下let me try 让我试一下2.t he earth 地球，表示世界上独一无二的事物前面要加定冠词the。
短语：on the earth 在地球上on earth 究竟，到底3.pollution n.污染，污染物→pollute v. 污染→polluted adj.被污染的短语：air pollution 大气污染，空气污染noise pollution 噪音污染water pollution 水污染4.litter v. 扔垃圾n.垃圾= rubbish = trash短语：take out the rubbish 倒垃圾throw rubbish / litter 扔垃圾5.the bottom of……的底部the top of ……的顶部6.be full of = be filled with 充满……7.play a part 参与…；起作用play a part in “在…方面起作用；参与…”，后接名词、代词或动词-ing 形式。
8.cut 短语cut down 减少，把……砍倒cut in 插话cut off 切断；断绝cut up 切碎cut out 删除9.instead of 介词短语，后跟名词、代词或动词ing 形式。
instead 副词，常位于句末。
位于句首时，其后有逗号。
10.It’s good for health and it doesn't cost anything! (P98)11.be good for 对……有益，反义词组be bad for。
be good at 擅长”，后接名词、代词或动词-ing 形式，同义词组do well in。
be good with “善于应付……”。
be good to “对……友好”, 同义词组be friendly to。
12.cost 主语是物，sth. cost(s) (sb.) some money. 某事物花费了某人一些钱spend 主语是人，sb. spend(s) time/money on sth. 某人花费时间/金钱在某物上sb. spend(s) time/money (in) doing sth.某人花费时间/金钱做某事pay 主语是人，sb. pay(s) some money for sth. 某人为某物支付金钱take 多表示花费时间，It takes sb. some time to do sth. 做某事花费某人一些时间13.make a (big/ much) difference to sb./sth. 对某人/某事物有(大)影响/有关系14.lead to 导致；引起lead sb. to do sth. 带领某人做某事15.not only…but also…若连接两个成分作主语，其谓语通常与靠近的主语保持一致，即“就近一致原则”。
如果连接两个两句，并且not only放在句首时，not only引导的分句要用部分倒装结构，but also引导的分句不用倒装结构。
16.harmful adj. 有害的，不利的be harmful to = do harm to 对……有害17.hear of/about 听说hear from 收到某人来信hear 听到(强调结果)listen to 听(强调动作)18 .be popular in… 在…范围内受欢迎be popular with sb.受某人欢迎19.percent n. 百分之… , 单复数相同。
the percent of +名词做主语时，谓语动词要和of后的名词保持一致。
20.in (great) danger 在(极大的)危险中out of danger 远离危险danger(n.)---dangerous(adj.)endanger(v.)---endangered(adj.)21.afford v. “承担得起；买得起”。
后面可跟名词、代词或动词不定式作宾语。
常与can, could, be able to连用，多用于否定句中。
afford to do sth. 负担得起做某事can’t afford to do sth. 不能负担做某事22.take action 采取行动take action to do sth. 采取行动做某事23.reusable adj. 可重复使用的，可再次使用的类似加前缀re-的单词：return返回reappear 再现rebirth再生rebuild在建recall 回想rewrite 重写recover 恢复recount重新计算rethink 重新思考recycle 重新利用Section B 知识点1.put sth. to good use =make good use of sth. 好好利用，充分利用2.build/make ... out of 用……建造/制造3.turned upside down 过去分词短语作后置定语，意为“被翻转过来的；被颠倒过来的”。
turn sth. upside down 把某物翻转过来4.be made of…由……制成，能看出原材料be made from …由……制成，不能看出原材料be made in …产于……，后接生产地be made into …被制成…，后接制成品be made by... 由……制造，后接动作的执行者be made up of... 由……构成，后跟组成部分5.in front of 在…的前面，强调在某一物体外部的前面in the front of 在…的前部，强调在某一物体内部的前面6.win a prize 获奖辨析：win“赢得，获胜”，宾语为比赛的项目、奖品或战争等。
beat“打赢，战胜”，指比赛时，其宾语为所战胜的对手7.inspiration 可数名词，“鼓舞人心的人（或事物）”。
不可数名词，“灵感”。
be an inspiration to sb. 对某人来说是一个鼓舞人心的人（或事物）；激励着某人。
8.work 可数名词，作品，著作不可数名词，工作动词，工作job 可数名词，工作9.creativity n.创造力,创造性creative →adj.有创造力的；创造性的→create v.创造；创作10.need 需要(1).实义动词，用于肯定句，其后可接名词、代词、动名词或动词不定式作宾语。
need sth. “需要某物”。
need to do sth. 需要做某事——主语是人need doing sth. = need to be done. 某事需要被做——主语是物(2).情态动词，用于否定句和疑问句中，没有时态与人称的变化，后接动词原形。
由need/must引出的一般疑问句，肯定回答用must，否定回答用needn't/don’t have to。
Grammar一、现在进行时（1）用法：①表示现在正在进行的动作。
特征：常常与now或具体的时间连用，有时句中会有感官动词来提示，或通过上下文来暗示。
②表示现阶段一直进行的动作。
这类动词常常是延续性动词。
常于at present, this week, these days等连用。
③一些表示位置移动的词，如go, come, leave等，常用现在进行时表示将来。
④下列动词不用于进行时态：表示记忆、理解或决定的词：remember, forget, believe, decide, understand等；表示感觉、情感、心理活动的词：hear, see, smell, taste, notice, seem, like, hate, love, want, wish, hope等；表示占有或拥有的动词：h a v e, own, belong等。
（1）构成：be (am/ is/ are) + 现在分词二、used to句型used to意为“过去常常做某事”，表示过去存在某种状态或过去经常性、习惯性的动作。
肯定句：主语+used to + 动词原形+其它否定句：主语+didn't use to + 动词原形+其它主语+usedn't to + 动词原形+其它一般疑问句：Did+主语+use to + 动词原形+其它？辨析：Used +主语+to + 动词原形+其它？used to do sth. “过去常常”。
be/get used to doing sth. “习惯于做某事”。
be used to do sth. “被用来做某事”。
=be used for doing.三、被动语态主动语态表示主语是谓语动词动作的执行者；被动语态表示主语是谓语动词动作的承受者。
被动语态的基本构成为be +及物动词的过去分词。
各种时态的被动语态：一般现在时：am / is / are +过去分词一般过去时：was / were +过去分词一般将来时：1. will +be+过去分词;2. am / is / are going to be+过去分词现在时行时：am/ is/ are + being +过去分词现在完成时：have / has + been +过去分词过去进行时：was / were+ being +过去分词过去将来时：1. would +be+过去分词;2. was / were going to be+过去分词过去完成时：had + been +过去分词含情态动词：情态动词+be+过去分词1.单选题基础练习题Section A( )1. —Could you give me some advice on how to lose weight?—Well, I think eating healthily can really make difference.A. aB. anC. theD. 不填( )2. Plastics, as we know, are harmful the environment.A. onB. atC. toD. in( )3. Miss Clark has decided to buy the house because it h as many . The biggest one is that it is near her company.A. suggestionsB. advantagesC. memoriesD. challenges( )4. That well-educated gentleman was so to his wife. Don't you think it strange?A. closeB. readyC. similarD. cruel( )5. —How much did your holiday in Thailand , Wang Xue?—It was 20,000 yuan in total.A. takeB. costC. spendD. pay( )6. —I think I'll go and see Bob.—You . He often mentions you.A. needB. mayC. shouldD. can( )7. Could Nelly afford a house with a big garden?A. to buyB. buyingC. buyD. to buying( )8. Our physics teacher says that the last to leave the lab must remember the windows.A. closeB. closingC. closedD. to close( )9. I'm surprised to see you smoking. You , I remember.A. aren't used toB. weren't used toC. didn't use toD. don't use to( )10. So far this year we about half of the road and we are sure that it will be finished on time.A. have builtB. builtC. buildD. are building( )11. The new museum is open from 10:00 a.m. to 5:00 p.m. and by more than one hundred people every day.A. visitsB. visitedC. is visitedD. was visited( )12. Kevin's pet dog was dead. No one could to life.A. bring it outB. bring it backC. give it outD. give it back( )13. It is helpful for older adults to exercise. Not only them keep their bodies healthy, but it can also help their brains.A. it helpsB. helps itC. can it helpD. it can help( )14. —Walking after meals is good for our health.—. Ruby, let's go out for a walk after supper.A. I don't agreeB. I agreeC. It doesn't matterD. It depends( )15. —What do you think of the house that Amy Winterbourne built herself out of trash?—It reminds me of the days I spent in the countryside.A. whenB. thatC. whoD. where( )16. There are a lot of things for us to protect the environment.A. to doB. doingC. to be doneD. to be doing( )17. A group of volunteers go to the Green Lake Park to litter every month.A. put upB. set upC. pick upD. cheer up( )18. The flight flying to Russia from Beijing International Airport about 8 hours.A. spendsB. usesC. takesD. costs( )19. —Last night, you forget off the computer when you went to bed.—Really? I remember it off.A. to turn; to turnB. to turn; turningC. turning; turningD. turning; to turn( )20. Look! people ?A. Does, litterB. Are, litteringC. Did, litterD. Were littering( )21 To air pollution, we should take the bus or subway instead of d riving.A. cut downB. cut offC. cut upD. cut into( )22. So far, the air really polluted around here. I’m really worried.A. has become; gettingB. have become; gettingC. has been becoming; gotD. has been becoming; got( )23. Sharks are at the top of the food chain, if their num bers drop, the ocean’s ecosystem will be in danger.A. butB. althoughC. soD. when( )24. We think that everyone use public transportation.A. mustB. shouldC. couldD. might( )25. The number of the students in our school in the last few years.A. has fallenB. had fallenC. fellD. has fell( )26.He can dance, because his leg was badly hurt.A. no moreB. no longerC. not moreD. not longer( )27.Hundreds of trees around our school last year.A. plantedB. are plantedC. have plantedD. were planted( )28.Now many wild animals are in danger. If we don't to protect them, it will be hard for us to see them in the near future.A. take placeB. take partC. take actionD. take care( )29.The story is so strange that we have never it before.A. heard fromB. heard ofC. heardD. listened to( )30.In the city, many old buildings will be next year.A. pulled upB. pulled downC. pulled outD. pulled in( )31—He's never stolen anything before, he?—. It's his second time to be taken to the police station.A. hasn't; YesB. has; YesC. has; NoD. is; No( )32—In a text message, 88 means Bye－bye—And another example is F2F stands for face to face.A. thatB. whoC. whomD. it( )33—Our math teacher stays in the office for a long time every day.—Yes, it him a long time to check our homework.A. costsB. spendsC. takesD. pays( )34.My father plans an article about new methods of math.A. to write; learnB. writing; learningC. to write; learningD. writing; to learn( )35.Why not consider abroad in five years?A. studyB. to studyC. studiedD. studying( )36.He used to cut down many trees, but now he has to it.A. pay backB. pay offC. pay forD. pay out( )37.—Who the tennis game yesterday?—Jack, he all the others.A. beat;wonB. won;wonC. beat;beatD. won;beat基础练习题Section B一、单选题( )1. The boy didn't sleep well last night because of the from the factory.A. voiceB. noiceC. musicD. song( )2. This place a factory but now it is a park.A. used to beingB. used to beC. is used toD. using to be( )3. ---How much does the TV ?---Not much. It's just a second-handed one.A. costB. spendC. takeD. pay for( )4. Drinking alcohol (白酒) can be your brain. So people in China aren't allowed to drink it if they are younger than eighteen.A. good atB. good withC. harmful to( )5. They walked home last night because they couldn't to take a taxi.A. leaveB. buyC. affordD. allow( )6. .---How do you study for a test? ---I study listening to tapes.A. atB. byC. toD. about( )7. Please the water when you brush your teeth.A. take downB. turn upC. take awayD. turn off( )8. There a number of books in the library and the number of them increasing.A. has; isB. have; areC. are; isD. is; are( )9. Kate, remember for the sick to cheer them up.A. to singB. singingC. not to sing( )10. Finish your homework first, then you'll surf the Internet for half an hour.A. canB. needC. be able toD. may( )11. ---There are a lot of of bike riding.---Yes, I agree. It's good for the environment and it saves money.A. instructionsB. instrumentsC. productsD. advantages( )12. . ---How does Jack usually go to work?---He drive a car, but now he there to lose weight.A. used to; is used to walkB. was used to; is used to walkingC. was used to; is used to walkD. used to; is used to walking( )13. In the 30th Olympic Games, Zhang Jike Wang Hao and the champion of the men’s singles.A.beat; wonB.beat; beatC.won; wonD.won; beat( )14. .—Must we take out the trash（垃圾）now? —. You can do it after class.A. Yes, you mustB. No, you can'tC. Yes, you mayD. No, you needn't( )15. You to the meeting this afternoon if you have something important to do.A. needn't to comeB. don't need comeC. don't need comingD. needn't come( )16. It's getting dark. Please the light.A. turn onB. turn offC. turn downD. turn around( )17. Not only my friends but also I interested in football and Messi is our favorite star.A. beB. amC. isD. are( )18. —Mr. Li will check our homework this afternoon.you it?—Not yet. I'm doing it right now.A. Do; finishB. Had; finishedC. Will; finishD. Have; finished( )19. I heard that Line 1 of Ningbo Subway last month.A. was testedB. is testedC. testsD. tested( )20. ---Where is Tom?---He a novel in her study.A. has readB. readsC. will readD. is reading( )21 Please don't make so much noise. The baby now.A. sleepsB. sleptC. will sleepD. is sleeping( )22. . I used to newspapers and watch TV after dinner. But now I'm used to a walk.A. read; takeB. read; takingC. reading; takingD. reading; take( )23. I the History Museum twice. I've learned a lot there.A. visitB. am visitingC. have visitedD. will visit( )24. . My grandparents in that city since 2008.A. will liveB. liveC. have livedD. were living( )25. Paper first about 2000 years ago in China.A. is; creatingB. is; createdC. has; createdD. was; created( )26. ---Don't somke here, Dad. Smoking in public places. --- Oh, sorry. I'll stop right now.A. isn't allowedB. aren't allowedC. doesn't allow( )27. There's only one day to go. You finish your schoolwork by tomorrow.A. canB. mayC. willD. must( )28. ---Is that man Mr. Smith? --- It be him. He has gone to New York on business.A. can'tB. may notC. mustn'tD. needn't二、根据句意用take, spend, pay 或cost 的适当形式填空。