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1、Unit 13过关测试. 单项选择。(21020)( )1. Smart phones are more and more popular now.So they are.But they still too much.A. pay B. costC. take D. spend( )2. Many young people took part in trees on Tree Planting Day.A. planting B. plantsC. to plant D. plant( )3. Why dont you buy the bag， Mary？Its too expensive.
2、I cant it.A. sell B. lendC. keep D. afford( )4. It is reported that the food we every year is enough to feed 200 million people for a year.A. take B. haveC. waste D. make( )5. They the old cinema in order to build a new one.A. put up B. took awayC. pulled down D. put off( )6. Do you think its good f
3、or animals in cages？A. to keep B. to be keptC. keeping D. keep( )7. Something to protect the pandas because they are endangerednow.A. must do B. must doneC. must be done D. have been done( )8. Anyone who sings well can the activity in our school.A. take part B. take offC. take out D. take care of( )
4、9. Grandpa spends more time than he used to games with the children.A. play B. playingC. played D. plays( )10. The number of wild animals and plants now.A. is getting fewer and fewerB. is getting smaller and smallerC. are getting fewer and fewerD. are getting smaller and smaller. 完形填空。(21530)Most of
5、 us have three meals a day.We take food for granted(认为理所当然).And we dont think about it.11experts argue a food crisis(危机) is coming.This crisis is going to make us12the way we think about food.Food is in great need13a growing of world population.By 1960， the population was three billion.It doubled to
6、 six billion by 1999.By 2050， this planet will need to 14at least nine billion people.As a result， the food prices get higher and higher.So， what can a 15， crowed world do？ One suggestion is to eat16meat.Meat uses more natural resources(资源) than grains(谷物).It requires more 17to produce one pound of
7、meat than to produce one pound of grain.It also requires between 5 and 10 times more18than vegetables.So， eating less meat will19more land for farming， and it will save water.To eat less meat， people will need to change their eating habits.That will not be20. Americans， for example， have 21loved mea
8、t.In general， they eat twice as much meat as people in other countries.At the same time， in developing countries like China and Brazil， sales of meat have doubled in the last 20 years.22will double again by 2050.Growing need of meat will 23to put pressure on natural resources.World population is inc
9、reasing， resources are becoming fewer， and food prices are rising.Therefore， we need to rethink 24we eat every day.For meat lovers， we dont need to give up meat 25.But we need to eat more grains and less meat.( )11. A. And B. ButC. Or D. Until( )12. A. change B. findC. get D. tell( )13. A. instead o
10、f B. thanks toC. because of D. as for( )14. A. help B. haveC. feed D. meet( )15. A. busy B. tiredC. thirsty D. hungry( )16. A. less B. moreC. much D. little( )17. A. time B. landC. people D. place( )18. A. air B. meatC. money D. water( )19. A. provide B. produceC. waste D. need( )20. A. important B.
11、 hardC. easy D. necessary( )21. A. never B. seldomC. hardly D. always( )22. A. It B. TheyC. We D. That( )23. A. continue B. stopC. have D. start( )24. A. how B. whenC. what D. where( )25. A. quickly B. completelyC. finally D. especially. 语法填空。(21020)阅读下面材料，在空白处填入适当的内容(1个单词)或括号内单词的正确形式(不超过2个单词)。Imagi
12、ne one day， the water taps(水龙头) in your house stop running.You have to buy water 26. shops.And still there isnt enough for everyone.Your mother has to save the familys shower water to do other 27. (thing).Would you 28. (able) to stand that kind of life？Probably not.But thats what kids in Yemen are 2
13、9. (experience).Experts said Yemen would be the first country in the world to run out of water.According to a report， the capital， Sana， will run out of drinking water as early as 2025.30. of the shortage(短缺)， the government often cuts the water supply(供应).Hannan， 31. 18yearold girl from Lahej， told Times： “In a good week well have a water supply all week.But then the following week there will be water only for a day or two.”
