大学本科英语4新视野第2次形成性练习

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1、第12页共12Unite1{1}Directions      Formanywomenchoosingwhethertoworkornottoworkoutsidetheirhomeisaluxury;theymustworkto____1___.Othersfaceaharddecision.Onehusbandsaid,“MargeandIdecidedaftercarefulconsiderationthatforhertogobacktoworkatthismomentwasanextravagance(奢侈).Wesimplycouldn’taffor

2、dit.”Withtwopreschoolchildren,itsoonbecameclearintheirfiguringthatwithbabysitters,transportation,andincreasedtaxes,ratherthanhavingmoremoney,theymightactuallyendupwithless.      Economicfactorsareusuallythefirsttobe___2___,buttheyarenotthemostimportant.Themostimportantaspectsofthedeci

3、sionhavetodowiththe___3____needsofeachmemberofthefamily.Itisinthisareathathusbandsandwivesfindthemselveshavingtofacemanyconfusingandconflictingfeelings.      Therearemanywomenwhofindthathomemakingisboringorwhofeel__4____iftheyhavetostayhomewithayoungchildorseveralchildren.Ontheotherha

4、nd,therearewomenwhothinkthathomemakinggivesthemthedeepestsatisfaction.      Frommyownexperience,Iwouldliketosuggestthatsometimesthedecisiontogobacktoworkismadeintoomuchhaste.TherearefewdecisionsthatInow___5___more.Iwasn’tmatureenoughtoseehowmuchIcouldhavegainedathome.Iregretmyimpatien

5、cetogetonwithmycareer.IwishIhadallowedmyselftheluxuryofwatchingtheworldthroughmylittlegirl’seyes.A.needs      B.survive    C.regret        D.emotionalE.considered  F.perceive    G.imprisoned   H.matureKey:BEDGC{2}Everyfruit,vegetable,grainanddomesticanimalsweseetodayistheresultofgenet

6、icmodification.Biotechnologyrefinesand___1___methodsthatproducenewplantsandanimals. Biotechnologyhasalonghistoryofuseinfood___2__andprocessing.Fortenthousandyearsfermentation,aformofbiotechnologyhasbeenusedtoproducewine,beerandbread.Selective__3___ofanimalssuchashorsesanddogshasbeengo

7、ingonforcenturies.Thesamethinghasbeendoneinfarming.Peoplehavecreatedmanylocalvarietiesofessentialfoodssuchasrice,cornandwheatwithimprovedyields__4___theirwildancestors.Today,throughnewerbiotechnologyand__5___engineering,scientistscandoevenmore.Theycanmoveonegene,theinheritedinstructio

8、nfors