九年級英語全冊Unit13We'retryingtosavetheearthperiod1同步練習人教新目標版(new)

1、unit13 were trying to save the earth.section a period1同步練習1、 單詞填空。1lets pick up the _ (垃圾)and put it into the bin。2factories should burn less _to reduce air pollution.3the book i want is right at the _ (底部）of the shelf。 4many people prefer _ （木頭的)floors to those covered with bricks。5.the f _ lost hi

2、s boat in the storm. 2、 單選。1。its necessary for the phubbers(低頭族) to _ the time they spend on their smart phones。 acut in bcut off ccut down dcut up2。everyone was afraid of him because there were deep_lines(皺紋)on his face. augly bkind cbeautiful dpeaceful3. li ming used _ on the right in china, but h

3、e soon got used _ on the left in england.a 。 to drive； to drive b . driving; driving c 。 to driving; to drive d . to drive； to driving 4. a study shows that good habits play a very important _in childrens education。 -i think so。 asense bpart creason dmeaning5._ 。sorry,i wont。ill pick it up。atry to k

4、eep the classroom clean。bdont throw litter everywhere。cdont make any noise in public.dlets pick up the litter on the ground.三、情景對話。a。 what should we do to protect our earth？b. what are you reading? c。 what will our life be like in the future？d. what should we do in public places？e. because our earth

5、 is being damaged seriously now.f。 we should also learn to save water. g. what can you do to help us？a: hi， millie _ b: im reading a report about our life in the near future. a: _ b： it says we have to move to another planet in the future。a： why?b： _ it will not be a good place for people to live af

6、ter a few years。a： _ b: we should plant more trees。a: i agree。 what else?a： _ a： yes. we can do it by taking a shorter shower。b： youre right,四、閱讀。（2017臺州)our factories and homes burn coal and oil。 every year we have forest fires somewhere。 many scientists believe that the weather is changing. the ea

7、rth will perhaps be warmed by about 7 at the south pole（極) and the north pole。 the ice will be melt（融化）。 the sea level（平面) will rise by about 7 meters. as a result， water will cover cities like london， tokyo and new york。 some ports(港口） and towns along the coasts will disappear under water. some oth

8、er scientists think that the dust， smoke and pollution from coal， wood and oil fires will block out(封閉) the ultraviolet rays(紫外線)。 then the earth will become colder and great sheets of ice will cover europe and north america。 when chemicals in the air mix with rain， we have acid（酸) rain。 acid rain c

9、an bring us great harm. it destroys（破壞） forests and kills life in lakes and rivers. people are beginning to see how serious the problem is。 they find it important to work with nature instead of against it. they are trying to save the earth in many different ways。 but one of the most important things

10、 to do is to make people understand that saving the earth is saving ourselves。（1）what do our factories and homes do?a 。 they burn coal and oil. b 。 they cut down the trees. c . they burn down forests。 d 。 they have acid rain。(2)some scientists believe that _ . a . the earth is growing warmer b 。 we

11、have to burn down the forests every year c 。 we can find oil in our forests d 。 we need coal in our forests（3)ice at the poles will _ if the earth gets warmer。 a 。 become thicker by seven meters b . cover cities like london and tokyo c . raise the sea level by 7 degrees d 。 become water and make the

12、 sea rise（4）what can we learn from the third paragraph?a . the dust together with pollution from coal, wood and oil fires will bring us more heat from the sun。 b 。 the ultraviolet rays will come more because of the dust and pollution from fires。 c 。 according to the scientists, the change in weather

13、 hardly has anything to do with the pollution。 d . as a result of the dust and pollution from coal, wood and oil fires， the earth will become colder.unit13 were trying to save the earth.section a period1同步練習答案一、1.litter 2。coal 3.bottom 4。wooden 5。fishman尊敬的讀者：本文由我和我的同事在百忙中收集整編出來，本文檔在發(fā)布之前我們對內(nèi)容進行仔細校對，

14、但是難免會有不盡如人意之處，如有疏漏之處請指正，希望本文能為您解開疑惑,引發(fā)思考。文中部分文字受到網(wǎng)友的關(guān)懷和支持，在此表示感謝！在往后的日子希望與大家共同進步，成長。this article is collected and compiled by my colleagues and i in our busy schedule. we proofread the content carefully before the release of this article, but it is inevitable that there will be some unsatisfactory points. if there ar