1、九年级人教版Unit13Weretryingtosavetheearthunit13 were trying to save the earth一、重点词汇 词义辨析：cost/spend/take/pay 都与“花费”有关，但用法上有区别。coststh. costs (sb.) +moneyspend1. spend+ time/money on sth.2. spend +time/money (in) doing sth.takeIt takes (sb.) time +to do sth.paypay (sb.)+money for sth. 词义辨析：take part in/jo
2、in/join in/attend 这些动词或词组均含“参加，加入”之意。take part in常指参加大型比赛或活动。join特指加入党派、团体等；join sb. in (doing) sth.指“和某人一起做某事”。join in多指参加小规模的活动，如：球赛、游戏等。attend侧重参加或出席会议、学术活动、音乐会、上课等等，着重强调成为其中的听众或观众。 词义辨析：turn词组 turn on打开turn off关上turn up把调高turn down把调低turn out原来是，结果是turn out (to be) +adj./n.The experiment turned
3、out to be a success.turn around转身I turned around to see who was calling me.turn back返回turn to翻到；求助于 Please turn to Page 10.turn into将转变为；译成I have turned into a woman with strong will.turn over翻转 She turned over and fell to sleep. afford to do sth.：买得起，足够支付 We cant afford to pay such a high price. be
4、 harmful to：对有害 Staying up often is harmful to your health. 拓展： 1. harm：n. 害处 2. do harm to：对有害 at the top of：在顶端 There was not enough oxygen at the top of the mountain. He shouted at the top of his voice in order to be heard.拓展：反义词 at the bottom of：在的底端 take action：采取行动 The police had to take actio
5、n to deal with the riots. throw away：扔掉；错过（机会等） Many people throw away cigarette ends carelessly. Dont throw away this opportunity.拓展：1. throw at：扔向 2. throw about：到处扔 put sth. to good use：好好利用某物 If you focus your mind on the task, your talents can be put to good use. pulldown：拆毁 They are going to p
6、ull down the old building and replace it with a new shopping mall. upside down：上下颠倒 The lid, turned upside down, served as a coffee table. bring back：归还；使想起 Your article brought back sad memories for me. 拓展：bring 词组 1. bring up：抚养长大 2. bring in：引进3. bring forward：提出 4. bring about：带来，造成 一词多义：work n.
7、工作；（音乐、艺术）作品；工厂 v. 工作 He has much work to do. 他有很多工作要做。（做“工作”讲，为不可数名词） The man gained his wealth by printing works of famous writers.（做“作品”讲，为可数名词，但常用复数）The glass works is/are near the station.（做“工厂”讲，只用复数形式，但谓语动词单复均可）拓展：英语中有些名词，单复数形式意义有差别。manner 方式，方法 manners 礼貌，礼仪 arm 胳膊 arms 武器 water 水 waters 海水，
8、水域 wood 木头 woods 森林 识记词汇 fisherman n. 渔夫 coal n. 煤 wooden adj. 木制的 takeaway n. 外卖食物chain n. 链条 the food chain 食物链 ecosystem n. 生态系统law n. 法律 scientific adj. 科学的 transportation n. 交通napkin n. 餐巾纸 gate n. 大门 president n. 总统，主席，负责人 metal n. 金属二、重点句型Other advantages of bike riding are that its good for
9、health and it doesnt costanything. 解析：本句的主干是 Other advantages of bike riding are；that its good for healthanything 是由 that 引导的表语从句；其中 its good for health 和 it doesnt cost anything 是骑自行车的两个优势。 But do you realize that youre killing a whole shark each time you enjoy a bowl ofsharks fin soup? 解析：本句的主干是do
10、 you realize？；that youre killing a whole shark 是 realize 的宾语从句；each time youenjoy a bowl of sharks fin soup 是时间状语从句。出题建议：确定好题型后，在关键词中输入：each time。 Many believe that sharks can never be endangered because they are the strongest intheir food chain. 解析：本句的主干是 Many believe；that sharks can never be endan
11、gered 是 believe 的宾语从句；becausetheyare the strongest in their food chain 是由 because 引导的原因状语从句。 Not only can the art bring happiness to others, but it also shows that even cold, hardiron can be brought back to life with a little creativity. 解析：本句的主干是 Not only can the art bring happiness to others, but
12、it also shows，主干是由 not onlybutalso连接的并列句；that even cold, hard iron can be brought back to life with a little creativity 是 shows 的宾语从句。Unit13 Were trying to save the earth!第一课时SectionA 1a-2d自学自查：.写出下列单词及短语：垃圾_ 2.在底部_ 3.充满_ 4.曾经做某事_ 5.在其作用_ 6.打扫_7.许多黑烟_ 8.把变成_ 9.消减_ 10.代替_ 11.优点_ 12.木质筷子_ 13.塑料勺子_ 14.
13、外带食物_ 15.有影响_ 16.导致_.用括号里单词正确形式填空。1.There are some _,including _.(噪音污染，空气污染，水污染)（pollute） 2.The air is badly_(pollute) because there are many cars on the road.3.I used to _(able)see stars in the sky. 4.I am used to _(sleep) around 11pm.5.It _.(花了我三小时到达山顶)6.The cleaner _(花了超过2小时打扫街道)7.You grandpa is
14、sleeping ,so dont _.(noisy)8. Sometimes we even need to _(花时间导入一个请求)9.It _ me 1,000dollars to get the drivers license.(花费).重点句子： 1.We should write to the government and ask them to close down the factories. Everyone in this town should play a part in cleaning it up.3.So together ,our actions can mak
15、e a different and lead to a better future成果展示：1.litter:v 扔垃圾 un：垃圾 rubbish ,trash take out rabbish 倒垃圾 throw rubbish 扔垃圾2.be full of=be filled with= fill with 充满3.This is turning beautiful places into ugly ones.这正在把美丽的地方变成丑陋的。 one 泛指，指前面提到过的那类人或事情，指代可数名词，其复数形式用ones. that:特指，指前面提到过的那类物，指代不可数名词。 Eg：Th
16、e weather in Kunming is better than that in Wuhan. it :特指，指前面提到过的那个物，用于指可数名词单数或者不可数名词。Eg:I have a pen,my uncle gave it to me.4.advantage :n:优势，利益，有利条件 v：有利于 disadvantage 缺点，损失，不利条件 take advantage of 利于 at a disadvantage 处于不利地位 have the advantage of 胜过，处于有利条件 Eg:He had the advantage of being born int
17、o a rich family. The womens disadvantage is her age.takeaway：adj:外带的，带走的，旧的 n：外卖食品，快餐点巩固提高： 1.Its _(浪费时间)to talk with a silly person.2.You should _(删掉) the first paragraph.3.There is also _.(太多垃圾和废物)4.We should take the bus or subway _.(代替开车)5.I _ .(学英语有困难)6.People go to the streets to _.(互相泼水)7.I w
18、as asked not _(在公共场合扔垃圾) 第二课时 SectionA 3a-4c自学自查：.写出下列单词及短语：听说_ 2.特别流行_ 3.每次_ 4.切断_5.把扔到里_ 6.不仅而且_ 7.对有害_8.不再_ 9.的数量_ 10.目前为止_11.对有利_ 12.在危险中_ 13.采取行动_14.渔民_15.工业_ 16. 参加_.用括号里单词正确形式填空。1.A number of students in our school _(be) from countryside.2.The number of students. in our school _（be）more than
19、1,0003.Because of water pollution,plenty of sea life is _(灭绝)4.The river _ clean,but now it _dirty.(use).重点句子：1.The numbers of some kinds of sharks have fallen by over 90 persent in the last 20 to 30 years.2.Environmental protection groups around the world,such as WildAid and the WWF,are teaching th
20、e public about “finning”.3.Sharks are at the top of the food chain,so if their numbers drop,the oceans ecosystem will be in dange.成果展示： 1.be popular in 在范围内受欢迎 be popular with 受某人欢迎2.south southern north-northern west-western east-eastern3.cut off 切断，中断 cut out 删除 cut down 砍倒 cut in 插嘴4.be harmful t
21、o = do harm to 对有危害 be good to 对有利5.law 法律 lawyer 律师 lawful 合法的，法律的6.scientific study 科学研究 science 科学 scientist 科学家7.percent 做名词，“百分之” 单复数相同。 the percent of +名词（un/cn）,当其做主语时，谓语动词要和of后的名词保持一致。Eg:Sixty percent of students in this class are boys.8.in danger 在危险中 out of danger 远离危险10.afford 承担的起，买的起 通常
22、与can ,could,be able to 连用。afford to do sth 负担得起做某事 cant afford to do sth 不能负担做某事Eg:We cant afford to wait any longer to take action.我们在也等不起了，要采取行动。11.You can also use reusable bags instead of plastic bags.你可以使用可重复使用的袋子来代替塑料袋。 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 reb
23、uild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12.All those small things might add up and become big things that would improve the environment. add up 合计，加起来 ， add to 增加(添) ， add to 把加到 ， add up to 合计为巩固提高：1. Not only I but also Tom and Mary _ (be) interested in watching
24、 TV.1. We must use _(塑料袋) in order to protect the earth.2. Jims father is a famous _.(律师)3. Its necessary for us to be _(合法的) citizens.(公民)4. Do you like the_(wood) chair?5. The meat is _ delicious. - Yes,but dont eat_.A,too much,too much B,much too,too much C,too much ,much too D,much too,much too7
25、. _ books in our school library is about 20,000,And _ books are good for us to read.A,Anumber of,the number of B,The number of ,a number of C,A number of ,a number of D,The number of,the number of8.Do you believe that paper is made _ wood? -Yes,I do.And you can see that books are made _ paper. A,fro
26、m,from B,from,of C,of ,from D,of,of第三课时 SectionB 1a-self-check自学自查：.写出下列单词及短语：1. 扔掉_, 2.好好利用某物_,3.听说_4.拆下_ ,5,上下颠倒_,6.获奖_7,建造_8.看起来像_9.重要性_10,恢复_,11.用建造_.用括号里单词正确形式填空。 1.The scarf which is _ silk_soft and comfortable.A,made from ,feels B,made of, feels C,made in,smells D.made up of,smells2.-Why are
27、yiu worried?-Im expecting a call from my daughter. She _New York for three years.A,has gone to B,has been to C,has been in D,has come in3.Have you ever _an amusement park? -Yes,I have.I _Fun Times Amusement Park last year.A,been to ,have gone to B,gone to , have been to C,go to ,went to D,been to,went to 4.-Our class will probably _(win/beat) the basketball game. -I hope so.I see the boys practice hard every day.5.Henry has t
