M7U3LanguagepointsWelcometotheunit1
searchforsb/sth搜寻某人或某物searchsb
…搜某人的身或某地寻找某物searchspforsth=searchsthinspinsearchofinone’s/thesearchfor寻找searchtheroom/theprisonersearchtheInternetforinformationTheyallwentoutinsearchofthelostchild,butinvain
Whatdoyouusuallyuseitfor
Whatfor
=forwhatpurpose
forwhat
=whySowhat
那又怎样whatif
要是…怎么办
Howcome
HowdiditcomeaboutthatheknewwhereIwere
limithavenolimits无极限withinlimits有限度地withoutlimit无限地setalimitto对
规定限度limited有限的belimitedtodoingReading1
valuen
强调“事物的使用价值和经济价值”
Adietlackinginnutritionalvaluewon’tkeepapersonenergetic
食物中缺少营养价值不能维持人的活力
begoodvalueformoney货真价实beofgreatvalue=beveryvaluable
Thediamondnecklaceisofgreatvalue
=Thediamondnecklaceisvaluable
Hiscontributionwasoflittleornopracticalvalue
Peoplehavebeguntorealizethevalueofprotectingtheenv