人教版高中英语必修四unit2-单元练习题.doc

1、人教版高中英语必修四Unit2 Working the land.单项填空1Progress so far has been very good._，we are sure that the project will be completed on time.AHoweverBOtherwiseCTherefore DBesides2Sports and games can_our bodies，keep us healthy and help us live a long life.Abuild up Bset upCput up Dbring up3See if you can under

2、stand the following，_，you can look them up in the dictionary.Aif any Bif notCif needed Dif possible4(杭州模拟)People in Sichuan province are determined to rebuild_was destroyed in the earthquake.Athat BwhichChow Dwhat5(保定模拟)Youd better go there by train.The train ticket is_the airplane ticket.Aas cheap

3、three times as Bas three times cheap asCthree times cheaper than Dcheaper three times than6(浙江绍兴调测)What do you think of her speech last night?Just so so.She gave us too much information，so that everyone got_.Aconfused Bto confuseCconfusing Dto be confused7In order to know more people，it is important

4、_your contact list beyond just family and friends.Aexpanding Bto expandCexpanded Dhaving expanded8The plan to be carried out next month needs_among the members of the labor union before_.Ato discuss；carrying outBto be discussed；carried outCdiscussing；being carried outDdiscussed；to be carried out9Exp

5、erts suggest that people should take up some hobbies，which may help_pressure and depression.Areduce BincreaseCimprove Drid10Doctor Thompson，how can I rid myself of pain?You should take three pills quickly in order to be free_pain.Abeyond BfromCout Don11When asked about the secret about staying young

6、，he said that a balanced diet_with exercise was the recipe for a healthy life.Aconducted BconcludedCcombined Dconnected12These graduates began to seek employment_they left university in order to make a living.Aso that Bas ifCas long as Das soon as13I cant stand people_around me when Im eating，for th

7、eres always a strong smell in the air.Asmoke Bto smokeCsmoking Dsmoked14According to the report，the number of people learning English as a foreign language_over the years.Ais increasing Bare increasingChas been increasing Dhave been increasing15Mary certainly talks a lot and she is never interested

8、in what_else has to say.Asomebody BanybodyCeverybody Dnobody.完形填空(合肥第二次教学检测)Kindness is the golden chain by which society is bound together.However，I was not thinking about the golden chain when I had to help people who_1_their way and parked in front of my house.I was growing tired of helping so ma

9、ny people.Almost every_2_I was awaken during a sound nights sleep and had to_3_someone out.Many times I was_4_by some penniless motorists who did not even thank me for the helps that they received and some even complained that I could have done_5_.One day，a young man with a weekold beard climbed out

10、 of a_6_automobile.He had no money and no food.He asked if I could give him some_7_，offer him gasoline and a meal.I told him that if he wanted to work for me，he could cut the grass，but_8_the work wasnt necessary.Though sweaty and hungry，he worked hard.After working all day，he sat_9_to cool himself.I

11、 thanked him for his work and gave him the money he_10_.I then offered him some_11_money for a task particularly well done，but he shook his head，_12_.I never saw him again.He probably thought I helped him out that day，but that is not_13_it was.I didnt help him.He helped me to_14_people again to repa

12、y their trust in me.He helped me to once again want to do something for those who are_15_.I wish I could thank him for_16_some of my belief in the basic_17_of others and for giving me back a little of the_18_I had lost.Because of him，I once again felt myself part of a golden chain of kindness that_1

13、9_us to others.I may have fed his body that day，but he fed my_.1.A.foughtBfoundCmade Dlost2A.morningBafternoonCnightDevening3A.bring BhelpCcarry Ddrive4A.taken for grantedBput up withCturned downDtaken up with5A.less BmoreCworse Denough6.A.fashionableBfamousCflashy Dshabby7A.money BfoodChelp Dwork8A

14、.actually BspeciallyCparticularly Dgenerally9A.in the sunBin the shadeCin the fieldDin the car10A.asked BbeggedCneeded Dcharged11A.old BextraCsmall Dgood12A.accepted BreceivedCrefused Ddenied13A.the situationBthe thingCthe issueDthe way14A.believe inBwatch overClook afterDcare about15A.in trouble Bi

15、n dangerCin tears Din fear16A.forgetting BlosingCrestoring Dfinding17A.goodnessBhappinessCpleasureDnature18A weaknessBstrengthCoptimismDpessimism19A.adapts BadjustsCdevotes Dconnects.heart BsoulChead Dmouth.阅读理解(杭州第一次检测)British scientists are breeding (育种) a new generation of rice plants that will b

16、e able to grow in soil containing salt water.Their work may enable abandoned farms to become productive farms once more.Tim Flowers and Tony Yeo，from Sussex Universitys School of Biological Sciences，have spent several years researching how crops，such as rice，could be made to grow in water that has b

17、ecome salty.The pairs have recently begun a threeyear programme，funded by the Biotechnology and Biological Sciences Research Council，to establish which genes enable some plants to survive salty conditions.The aim is to breed this capability into crops，starting with rice.It is estimated that each yea

18、r more than 10 million hectares of agricultural land are lost because salt gets into the soil and stop plants growth.The problem is caused by several factors.In the tropics，mangroves that create swamps (沼泽) and traditionally formed barriers to sea water have been cut down.In the Mediterranean，a seri

19、es of droughts have caused the water table to drop，allowing sea water to flow slowly in.In Latin America，irrigation often causes problems when water is evaporated (蒸发) by the heat，leaving salt deposits behind.Too much salt then enters the plants and prevents them functioning normally.Heavy concentra

20、tions of minerals in the plants stop them drawing up the water they need to survive.To overcome these problems，Flowers and Yeo decided to breed rice plants that take in very little salt and store what they do absorb in cells that do not affect the plants growth.They have started to breed these chara

21、cteristics into a new rice crop，but it will take about eight harvests before the resulting seeds are ready to be considered for commercial use.Once the characteristics for surviving salty soil are known，Flowers and Yeo will try to breed the genes into all manners of crops and plants.Land that has be

22、en abandoned to nature will then be able to bloom again，providing much needed food for the poorer countries of the world.1Which of the following statements about Flowers and Yeo is true?AThey are husband and wife.BThey are students at Sussex University.CThey are farmers from the Mediterranean.DThey

23、are colleagues at an institution.2Which of the following is NOT mentioned as a cause of the problem discussed in the passage?ANatural barriers to sea water have been destroyed.BSea level has been continuously rising.CThe water table has gone down after droughts.DEvaporation of water leaves salt behind.3The word “affect” in Paragraph 5 could be best replaced by_.Abenefit BbalanceCinfluence Dprotect4The attitude of the author towards the research project is_.Apositive BnegativeCsuspicious Dindifferent