全新版大学英语unit2课后练习答案

Vocabulary

1.1)expansion2)automated3)vapor

4)takecontrolof5)hazards6)satellite

7)vibrated8)magnetic9)bunched

10)intheair11)got/wasstuckin

12)approximately

2.1)sendout2)standupfor

3)passfor4）wereclosinginon

5)startingup6)wentthrough

7)fillout8)fallinto

3.1)Thenewcardesignincorporatesallthelatestsafetyfeatures.

2)Tosuspendourhammock,weneedtofindtwotreestenfeetapart.

3)Jasonfacesupto10yearsinprisonforofferingbriberymoneytotheUSnavyofficialresponsibleforawardinglucrativecontractstohisconstructionfirm.

4)Manufacturersusuallybeginbybuildingtheprototypeofanewmodelbeforetheysetupafactorytomakethecars.

5)Medicalevidenceshowsthatsmokingandlungcancerarecorrelatedinallracialgroups.

4.1)theapplication,remote,hasturnedintoareality,arepoisedto

2)thatvibrate,candetect,frequency

3)lanes,aremountedin,alerta,hazard

II.WordFormation

ClippedWords

kilokilogram

memomemorandum

gymgymnasium

libliberation

docdoctor

vetveterinarian

preppreparatory

autoautomobile

fluinfluenza

Blends

Medicaremedicalcare

emailelectronicmail

comsatcommunicationssatellite

5）Thediverstoodonthestageofthedivingboard,poisedtojumpatthesignalfromthecoach.

2.

Automobileshave,sincetheirinvention,revolutionizedtransportation,changingforeverthewaypeoplelive,travel,anddobusiness.Ontheotherhand,theyhavebroughthazards,especiallyhighwayfatalities.However,todaytheapplicationofcomputertechnologyandelectronicsensorsindesigningmakesitpossibletoeliminatemostoftrafficaccidents.Forexample,electronicsensorsmountedinyourcarcandetectalcoholvaporintheairandrefusetostartuptheengine.Theycanalsomonitorroadconditionsbyreceivingradiosignalss