2019-2020年九年级英语全册Unit13We'retryingtosavetheearthperiod2同步练习新版人教新目标版
九年级英语全册Unit13We’retryingtosavet
九年级英语全册Unit13We’retryingtosavet Unit13We’retryingtoavetheearth!SectionA(3a-4c)【基础预习】I.根据汉语提示写出下面句中所缺的单词。
1.Ihaveaimpleandeay____(方法)toolvetheproblem.2.Wehouldn’tbe____(残忍的)toanimal.3.It’____(有害的)toyourhealthtodrinktomuch.4.Thecityithe_____(工业)centerofthecountry.5.Thecaritooe某penive,Ican’t___(买得起)it.II.写出下面短语的意思。
1.takepartin__________2.turnoff____________3.payfor____________4.hearof_____________5.beharmfulto___________【重点讲练】1.Themethodinotonlycruel,butaloharmfultotheenvironment.这种方法不仅残酷，而且对环境也有害。
harmful形容词，意为“有害的”。
常构成短语beharmfulto“对……有害的”。
Stayingupofteniharmfultoyourhealth.经常熬夜对你的健康有害。
【拓展】harm名词，意为“害处”。
常用构成短语doharmto“对……有害”，相当于beharmfulto.Toomuchmokingdoeharmtohihealth.=Toomuchmokingiharmfultohihea lth.吸烟过多对他的健康有害。
【小试牛刀】改为同义句。
Readingintheundoeharmtooureye.Readingintheun_________oureye.2.Haveyouevertakenpartinanenvironmentalproject你曾经参加过环境保护活动吗？辨析：join,joinin和takepartinWillyoujoinuinthedicuion你参加我们的讨论吗？ShejoinedtheYoungPioneer.她加入了少先队。
新版人教新目标版2020年九年级英语全册Unit13We’retryingtosavetheearth!基础知识梳理
Unit 13 We're trying to save the earth!Unit 13We're trying to save the earth！第1课时Section A(1a2d)litter v. 乱扔。
相当于throw。
n. 垃圾；废弃物。
不可数名词，相当于rubbishugly adj. 丑陋的；难看的advantage n.优点；有利条件。
其反义词为disadvantage。
常用短语：take advantage of…利用……的优势cost v. 花费。
其过去式和过去分词均为cost n. 花费；价钱【拓展】 cost, spend, take和pay用法辨析(1)cost 花费(时间、精力、金钱等)。
主语只能是物或事情。
cost 可以带双宾语，但cost没有被动语态。
(2)spend 花(时间、钱等)。
主语只能是人，指某人“花费(时间、钱等)”，常用于spend…on sth.或spend…(in) doing sth. 句型中。
(3)take指花费时间和金钱时，常用于It take(s) sb.…time/money to do sth.句型中。
(4)pay 付费。
主语只能是人，指某人为某东西付钱，常用于sb. pay money for sth.句型中。
play a part in 参与；起作用。
其中in为介词，后接名词、代词或动词ing形式turn…into 变成make a difference 影响；有作用☆To cut down air pollution, we should take the bus or subw ay instead of driving. 为了减少空气污染，我们应该乘坐公共汽车或者地铁，而不是开车。
(1)句中动词不定式短语to cut down air pollution在句中作目的状语。
(2)cut down 减少；砍倒。
九年级英语全册Unit13We’retryingtosave1
Dear Sir/ Madam, Environmental problems are becoming more and more serious all over the world. With the development of the society, there are too many cars on the streets in our city. Cars have made the air unhealthy for people to breathe. Black smoke and poisonous gas are given off by factories. Factories also put waste into the river. And wherever we go, we can find rubbish.
air pollution
Ways to cut down
build airport away from places where people live
encourage people to use public transportation instead of driving; reduce the number of factories that burn coal
第十八页，共二十五页。
3.Write ways to cut down on these kinds of pollution.
Kinds of pollution
water pollution
Ways to cut down
ask factories not to throw waste into the river; remind people not to litter
2019-2020九年级英语全册 Unit 13 We’re trying to save the earth Period 4
Unit 13 We’re trying to save the earth!Period 4 & 5 Section B (1a-Self Check)课时训练I .根据句意完成给出首字母或汉语的句子。
1.I think _______(回收利用)paper is very easy.2.The p_________ of the US is Barack Hussein Obama.3.Do you know the proverb “Strick while the i________ is hot ”.4.People often use paper n_________ at restaurants .5.The b______ is full of wine .II.单项填空：( )1.Please ________ the light if you don’t use it .A.turn onB. turn offC. turn upD. turn down( )2.Don’t throw ______ the things if you think they can be _______ .A.away;reusedB. into;reuseC. away; recycleD. out of; recycled( )3.She built the house _______ waste from the street .A.intoB.out ofC.onD.from( )4.The house isn’t strong enough, it must be _______ .A.pulled awayB. pull downC.pull awayD. pulled down( )5.She is known ________ a website of her own .A.for setting upB.for set upC.as setting upD.as set upIII.用所给单词的适当形式完成句子。
九年级英语全册Unit13We’retryingtosavetheearth_1
第十四页，共二十六页。
Listen again and complete the sentences.
1. The air is badly polluted because there are __________on the
rmoaodrtehecsae rdsays. 2. Factories that burn coal also _____p_o_l_luthteeair with a lot of
第十三页，共二十六页。
Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about.
A. land pollution B. air pollution
C. noise pollution
noise pollution air pollution water pollution
_l_ou_d__m_u_s_ic____ __f_a_c_to_r_ie_s___ ____s_h_ip_s_____
__p_l_a_n_e_s_____ __s_m_o_k_i_n_g___ ___r_u_b_b_i_sh____
Role-play the conversation.
The river was dirty. Even the bottom of the river was full of rubbish.
But it used to be so clean!
Yes, but people are throwing litter into the river.
The problem is that…
九年级英语全册unit13we'retryingtosavetheearthsectiona3a_3
第二课时Section A (3a－3b) 主备内容Section A (3a－3b)教学目标【知识目标】Important words：cruel；industry；harmful；law；scientific Important phrases：be harmful to；at the top of the food chain；in the last 20 to 30 years；environmental protection groups around the world；develop laws；the sale of shark fins Important sentences：1．But do you realize that you're killing a whole shark each time you enjoy a bowl of shark fin soup?2．This is not only cruel，but also harmful to the environment.3．The numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years.4．So far，no scientific studies have shown that shark fins are good for health.5．Sharks may disappear one day if we do not do something to stop the sale of shark fins.【能力目标】1．帮助学生在阅读文章时识记重点单词和短语。
2．培养学生抓取文章关键信息和结构的能力。
【情感目标】帮助学生了解鲨鱼的现状。
教学重难点重点：本课时的重点单词、短语和句子。
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2019-2020年九年级英语全册
Unit13We'retryingtosavetheearthperiod2同步练习新版人教新目
标版
一、用括号中所给单词的适当形式填空。
1.Waste paper and bottles ________________(collect) for recycling.
2.Could you please turn down the TV? Your brother___________(review) his lessons.
3. All of us ____________ (pass) the exam. How happy we are!
4.Three patients __________________(operate) on by the famous doctor in the past 10 hours.
5.Mike missed the chair and fell down.Luckily，he was not ______(bad) hurt.
6.Everyone should ________ (have) dreams and work hard to achieve them.
7.All the students in our class took part in________(clean)up the park last Saturday.
8.There used to ________ (are) many trees around our school.
二、单选。
1.Her rich experience gave her a(n) ________ when looking for a good job.
A．condition B．idea C．purpose D．advantage
2.Mike used to be a top student, but he ________behind since he lost himself in puter games.
A．fell B．has fallen C．was D．has been
3.They walked home last night because they couldn't ________ to take a taxi.
A．leave B．buy C．afford D．allow
4. The government has ________ to cut down school violence(暴力)．
A．taken action B．taken part in
C．paid for D．looked after
5.—This dress looks beautiful on you.How much is it?
—It ________ me more than five hundred yuan.
A．spent B．paid C．took D．cost
6.— ________ I take some photos in the hall?
— No, you ________. Look at the sign “No photos”!
A. Can; needn’t
B. Must; mustn’t
C. Should; needn’t
D. May; mustn’t
7.Someone _________ at the door. Can you open it?
A. knocks
B. knocked
C. is knocking
D. was knocking
8.He is very surprised that all the houses in the village ________ white.
A．paint B．painted C．are painting D．are painted
三、完成句子。
1．工人们正在竭尽全力降低事故率。
The workers are doing all they can ________ ________ ________ the accident rate. 2．我的家乡的天空过去常常是蓝色的。
The sky in my hometown ________ ________ ________ blue.
3．我们的行动会使它变得不同，并通向更好的未来。
Our action can ________ ________ ________ and lead to a better future.
4．旧的楼房已经被拆除了。
The old buildings __________ __________ ________ ________.
5．我们很高兴看到我们的城市在过去的几年里变得越来越美丽。
We are happy to see our city ________ ________ more and more beautiful in the ________ ________ ________ ．
Unit13 We're trying to save the earth!
Section A Period2同步练习答案
一、1.are collected 2.is reviewing 3.have passed 4.have been operated
5.badly
6.have
7.cleaning
8.be
二、DBCA CDCD
三、1.to cut down。