1.
Most of us have three meals a day.We take food for granted(想当然).And we don't think about it.(36)Bexperts argue a food crisis(危机)is coming.This crisis is going to make us(37)Athe way we think about food.
Food is in great need(38)Ca growing of world population.By 1960,the population was three billion.It doubled to six billion by 1999.By 2050,this planet will need to(39)Cat least nine billion people.As a result,the food prices get higher and higher.
So,what can a(40)D,crowed world do?One suggestion is to eat(41)Ameat.Meat uses more natural resources(资源)than grains(谷物).It requires more(42)Bto produce one pound of meat than to produce one pound of grain.It also requires between 5and 10times more(43)Dthan vegetables.So,eating less meat will(44)Amore land for farming,and it will save water.
To eats less meat,people will need to change their eating habits.That will not be(45)C.Americans,for example,have(46)Dloved meat.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 20years.(47)Bwill double again by 2050.Growing need of meat wil(48)Ato put pressure on natural resources.
World population is increasing,resources are becoming fewer,and food prices are rising.Therefore,we need to rethink(49)Cwe eat every day.For meat lovers,we don't need to give up meat(50)B.But we need to eat more grains and less meat.
Food is in great need(38)Ca growing of world population.By 1960,the population was three billion.It doubled to six billion by 1999.By 2050,this planet will need to(39)Cat least nine billion people.As a result,the food prices get higher and higher.
So,what can a(40)D,crowed world do?One suggestion is to eat(41)Ameat.Meat uses more natural resources(资源)than grains(谷物).It requires more(42)Bto produce one pound of meat than to produce one pound of grain.It also requires between 5and 10times more(43)Dthan vegetables.So,eating less meat will(44)Amore land for farming,and it will save water.
To eats less meat,people will need to change their eating habits.That will not be(45)C.Americans,for example,have(46)Dloved meat.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 20years.(47)Bwill double again by 2050.Growing need of meat wil(48)Ato put pressure on natural resources.
World population is increasing,resources are becoming fewer,and food prices are rising.Therefore,we need to rethink(49)Cwe eat every day.For meat lovers,we don't need to give up meat(50)B.But we need to eat more grains and less meat.
| 36.A.And | B.But | C.Or | D.Until |
| 37.A.change | B.find | C.get | D.tell |
| 38.A.instead of | B.thanks to | C.because of | D.as for |
| 39.A.help | B.have | C.feed | D.meet |
| 40.A.busy | B.tired | C.thirsty | D.hungry |
| 41.A.less | B.more | C.much | D.little |
| 42.A.time | B.land | C.people | D.place |
| 43.A.air | B.meat | C.money | D.water |
| 44.A.provide | B.produce | C.waste | D.need |
| 45.A.important | B.hard | C.easy | D.necessary |
| 46.A.never | B.seldom | C.hardly | D.always |
| 47.A.It | B.They | C.We | D.That |
| 48.A.continue | B.stop | C.have | D.start |
| 49.A.how | B.when | C.what | D.where |
| 50.A.quickly | B.completely | C.finally | D.especially |
3.Mike is my pen pal.I often help him with ________ Chinese.( )
| A. | he | B. | his | C. | him | D. | himself |
2.-Teachers often say that mistakes should ______ in time.
-I think so.It's really good advice.( )
-I think so.It's really good advice.( )
| A. | correct | B. | be correcting | C. | have corrected | D. | be corrected |
1.Mr Black has just arrived,but I didn't know he _______ until yesterday.( )
| A. | was coming | B. | will come | C. | comes | D. | had come |
20.-Won't you like to come to Li lei's birthday party?-I will if I _____( )
| A. | will be invited | B. | have invited | C. | am inviting | D. | am invited |
19.---Does Ted tell you if he next Sunday?---No,he doesn't.But if he ,I'll give you a ring.( )
| A. | will come,will come | B. | comes,will come | ||
| C. | comes,comes | D. | will come,comes |
18.Don't make so much noise.Our baby ________.( )
| A. | was sleeping | B. | sleep | C. | slept | D. | is sleeping |
17.As China grows stronger and stronger,Chinese ______ in more and more schools out of our country.( )
| A. | teaches | B. | is taught | C. | has taught | D. | was taught |
16.-Do you know if she ______tomorrow?-If she ____ tomorrow,I will tell you.( )
| A. | will come,comes | B. | comes,will come | ||
| C. | will come,will come | D. | comes,comes |
15.They were all pleased with _______ them.( )
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| A. | what you said | B. | what did you say | ||
| C. | what you had told | D. | what you had spoken |