2017年重大大學(xué)英語（3）第二次作業(yè)及答案

1、第2次作業(yè)次作業(yè)一、閱讀理解（本大題共一、閱讀理解（本大題共100100分，共分，共5小題，每小題小題，每小題2020分）分）1.Prehisticmenwomenenjoyedamevarieddietthanpeopledonowsincetheyatespeciesofplantseveralhundredsthousstypesoflivingthings.Butonlyatinypercentageofthesewereeve

2、rdomesticated.Modernshopshavehastenedatrendtowardsspecializationwhichbeganintheearliestdaysofagriculture.Thefoodoftherichcountrieshasbecomecheaperrelativetowages.Itisspeedilydistributedinsupermarkets.Butthechoiceannually

3、becomeslesslessgreat.Evenindividualfoodsthemselvesbecomemestardized.Weliveinthewldofcarrotspeciallybluntedindertoavoidmakingaholeinthebagthetomatogrowntomeetademfastardweightofweightingtomatoestoakilo.SirivonReisasks:“On

4、lythethreemajcereals（谷物類食物）perhapstenotherwidelycultivatedspeciesstbetweenfaminesurvivalfthewldshumanpopulationahfulofdrugplantshasservedWesterncivilizationfseveralthousyears.Aratherobviousquestionarises:Arewemissingsome

5、thing“Afterallthereare800000speciesofplantonearth.(1).Inprehistictimespeople____.A.atemuchmethanwedotodayB.livedmainlyonplantfoodC.hadawiderangingdietD.weremefussyaboutwhattheyate(2).Mostofushavecometoexpect____.A.novari

6、ationinourdietB.areductioninfoodsuppliesC.aspecialistdietD.foodconfmingtoasetstard(3).Thespecializationoffoodwasstartedby____.havetwotypesoffat:oneisoutsidefatthatisthefatbelowtheskintheotherisinsidefatthatliesinsidetheb

7、ody.UsingtheXrayscannersthedoctsfoundthatthe“apples”havealargeamountofinsidefat.Ifthisinsidefatismuchmethanoutsidefatitwillprobablycausehealthproblemssuchasobesity(肥胖癥).Thebesttreatmentfobesityistoreducetheinsidefat.Butu

8、nftunatelydiettreatment(飲食療法)simplymakesanappleshapedpersonintoasmallerappleapearshapedpersonintoasmallerpear.Atthemomentthereisnoeffectivewayofreducingtheinsidefat.(1).Accdingtotherelationbetweenhealthfatness___________

9、__A.appleshapedfatpeoplehavefewerproblemsthanpearshapedpeopleB.it’sbettertobeappleshapedthantobepearshapedC.it’sbettertobepearshapedthantobeappleshapedD.fatnessisthemostdangerousenemytohealth(2).Themostimptantthingaboutf