《新视野大学英语第三册第六单元课后练习》1.Sincemanyinsectshavealreadybecome

　　《新视野大学英语第三册第六单元课后练习》

　　1.Sincemanyinsectshavealreadybecome____toDDT,scientistshavetolookforsomenewinsecticide.

　　[A]active[B]resistant[C]tough[D]gradual

　　2.Itisatypeofdesertbushthatcan____extremesoftemperature.

　　[A]adapt[B]withdraw[C]withstand[D]shade

　　3.Ifamaniseasilytakeninbyemotionaltraps,hewillnotbeabletomake____judgments.

　　[A]sensitive[B]sentimental[C]sensible[D]sensational

　　4.Wheneverhewritestohisparents,he____achequewithhisletter.

　　[A]encloses[B]contains[C]reserves[D]invests

　　5.Youshouldsaveyourworkoftenasa____againstcomputerfailure.

　　[A]sanction[B]precaution[C]shield[D]shelter

　　6.Ittookmillionsofyearsforordertogrowoutofthe____oftheuniverse.

　　[A]adjustment[B]change[C]chaos[D]profile

　　7.Accordingtotheweather____,it’sgoingtobefinetoday.

　　[A]prediction[B]indication[C]provision[D]forecast

　　8.Accidentsareoffrequent____onthismotorwaybecausethetrafficisextremelyheavyhere.

　　[A]arrival[B]proportion[C]scale[D]occurrence

　　9.Herpulsewassoweakthatthedoctorhaddifficulty____it.

　　[A]inspecting[B]detecting[C]touching[D]contacting

　　10.Thereisneedtocheckthe____ofthereport.

　　[A]frequency[B]accuracy[C]emergency[D]efficiency

　　11.Theoldmandidnotseemtoattachanyimportance____thequestion.

　　[A]to[B]with[C]towards[D]for

　　12.Astheplanewasgettingreadytotakeoff,weall____ourseatbelts.

　　[A]tied[B]locked[C]fastened[D]closed

　　13.ProfessorCollinswas____ofthelatestdevelopmentsinphysicsbecausehehadbeeninhospitalforseveralmonths.

　　[A]unconscious[B]negative[C]robbed[D]ignorant

　　14.Ithasbeenrevealedthatsomegovernmentleaders____theirauthorityandpositiontogetillegalprofitsforthemselves.

　　[A]employ[B]take[C]abuse[D]overlook

　　15.Fertilizerwill____thegrowthofthesetomatoplants.

　　[A]accomplish[B]accelerate[C]accumulate[D]account

　　16.Yearsof____laborhadhardened