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。
3.The air has become really polluted around here.这附近的空气被严重污染了。
4.To cut down air pollution, we should take the bus or subway instead of driving.为了减少空气污染，我们应该乘公汽或地铁，而不要开车。
5.It doesn’t cost anything.它不耗费任何东西。
6.But in fact, around 70 millon sharks are caught and traded in this industry every year.但事实上，每年大约七千万条鲨鱼被抓来用作商业交易。
7.The numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years.有些种类的鲨鱼数量在过去的二三十年里，下降了百分之九十以上。
8.So far, no scientific studies have shown that shark fins are good for health, so why eat them?到目前为止，没有科学研究证明显示鱼翅对健康有益，所以为什么要吃呢？9.Recycling paper is really easy.回收再利用纸很容易。
10.But it’s hard to stop riding in cars.但是停止开小汽车是很难的。
11.We shouldn’t use pape r napkins .我们不该用餐巾纸。
12.Turn off the lights when you leave a room.当你离开房间时关掉灯。
13.Have you ever thought about how these things can actually be put to good use？你曾经考虑过怎样能充分利用这些东西吗？14.Amy isn’t the only one who is good at recycling.艾米并不是唯一善于回收利用的人15.She has been doing this for a few years now.她做这事已经有好几年了。
16.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.艺术不仅能带给别人快乐，而且也说明了只需要一点创造力，即使是冰冷、坚硬的铁也可以产生活力。
巧记歌诀：1.“花费”用法口诀花费四词各家聚，认准人物谁主语；in，on就跟spend去，for在pay后不客气；cost物前人后移，It takes…to do在一起。
1.被动语态宾变主，主变宾，by短语后面跟，谓语动词变被动，be后“过分”来使用。
巩固提升：一、单项填空()1.I don't think you've been to Disneyland, ________？A．aren't you B．haven't youC．do you D．have you()2.The villager built the bridge ________stones last year.A．out of B．out C．to D．for()3.My brother watched the football match instead of ________ his homework.A．doing B．doC．did D．does()4.—Do you know the movie Harry Potter?—Yes.I________ it twice.It's funny.A．saw B．seeC．have seen D．will see()5.More natural protection areas should ________ in the future.A．set up B．to set upC．be set up D．setting up()6.—Do you like playing computer games? —No, but I ________.A．used to B．didn'tC．do D．don't()7.I have never________ the strange animal before.A．heard from B．listenedC．listened to D.heard of()8.—Miss Liu, when did you come here?—In 2012.I________ here for two years. A．have been to B．have gone to C．have come D．have been()9.Lots of food and water________ to Ya'an, Sichuan Province immediately after the earthquake happened.A．were sent B．are sentC．send D．sent()10.The children were hungry and the salad was quickly________ up.A．eating B．ate C．eaten D．eat()11.Look, so many passengers________ with their smart phones on the underground. A．played B．will playC．are playing D．have played()12.Great changes________ in Daqing since the 1990s.A．took place B．were taken place C．have taken place D．have been taken place()13.—How much does the car________？—Oh, that's not too dear.It's only 100,000 yuan.A．spend B．cost C．take D．pay()14.—Have you________ the school sports meeting? —Yes, I have.A．take part B．taken partC．taken part in D．took part in()15.—What________ I do? —You'll________ study from now on if you want to go to college.A．can; may B．should; can C．should; have to D．may; could二、完形填空Nancy's grandma lived in a big old house in New York.Nancy and her parents went to see her each summer.Nancy __1__ to see Grandma and bake (烘烤) with her.She liked to play cards with her, too.This summer, however, Grandma did not seem __2__.She seemed to be worried about something.“What's wrong with Grandma？”Nancy asked her mom.“The __3__ pollution is bothering (使烦恼) her，”Mom said.“Do you __4__ the noise from all those cars？”Nancy asked.“Yes，”Mom said.“When Grandma moved here many years ago, there wasn't such a big __5__ here.Now there is a big road that is used to go to work easily in the city.Big trucks deliver (运载) food all over, too, by __6__ this road.They make so much noise.The noise pollution really bothers Grandma.”“I know __7__ water pollution and air pollution are.I learned about them in school, but what is noise pollution？”Nancy asked.“Pollution is __8__ that is bad for you，”Mom said.“Noise pollution can influence someone's __9__.Grandma's blood pressure goes up because of too much noise.She also has trouble __10__ with all the traffic at night.Grandma's hearing has been hurt by the no ise, too.”()1.A.loved B．hated C．wanted D．feared()2.A.interesting B．happy C．healthy D．well()3.A.water B．soil C．air D．noise()4.A.mean B．get C．tell D．point()5.A.factory B．pool C．road D．railway()6.A.cleaning B．using C．building D．making()7.A.what B．how C．where D．when()8.A.everything B．anything C．something D．nothing()9.A.diet B．habits C．health D．feelings()10.A.listening B．sleeping C．walking D．thinking三、阅读理解AA large part of China experienced larger amounts of smog (雾霾) than usual and the air was badly polluted.The distance one could see was shorter than 1,000 meters in Beijing, Tianjin, and the provinces of Hebei, Henan, Shandong and Anhui.In some areas, it was down to 200 meters. People usually set off firecrackers (爆竹) to celebrate the Spring Festival.But because of the smog, this year seemed very quiet.It was really different.A man called Zhang Wei said that his friends and he hadn't set off a single firecracker.“We all suffered from last month's smog.If we don't call an end to the firecrackers, the environment will get worse and worse during the hol iday.” Said Zhang Wei.He called on more people to set off fewer firecrackers during this year's Spring Festival holiday by putting up a notice in his neighborhood.More Chinese looked forward to celebrating the holiday in a greener way.They decided not to set off firecrackers.They also decided not to waste food.They said that the new celebrations sounded fashionable.To clean the sky, more than ten provinces including Guangdong, Zhejiang and Jiangsu have started to use national 4 standard (标准), which is expected to reduce (减少) vehicle emission (车辆排放) by 30% to 50%.Beijing even has started to use the stricter national 5 standard.We still have a lot to do to improve the air quality.For example, using public transportation as much as possible is not a hard thing for us to do, but it matters a lot.()1.What happened in a large part of China this January?A．It experienced larger amounts of smog.B．People set off lots of firecrackers.C．There was a heavy rain.D．Many car accidents happened.()2.How do people usually celebrate the Spring Festival in China?A．By putting up a noticeB．By setting off firecrackers.C．By not wasting food.D．By using public transportation.()3.How many provinces have started to use national 4 standard?A．Three. B．Six.C．Eight. D．More than ten.()4.Which of the following is NOT true according to the passage?A．Zhang Wei didn't set off a single firecracker this Spring Festival.B．We should use more public transportation to help reduce the air pollution.C．Zhejiang has started to use national 4 standard to reduce vehicle emission.D．More Chinese think the celebration of setting off firecracker is fashionable.()5.What's the best title for the passage?A．How to Reduce the Vehicle EmissionB．How to Improve the Air QualityC．What Do Chinese Do in the Spring FestivalD．Using Public Transportation四.书面表达通过以上信息，我们知道，由于环境污染、人类的残杀，很多野生动物濒临灭绝。