1.______sectionsofcities,thereareethnicregions,whicharewellknownforcertainfoodbecauseofthepeoplewhosettledthere.A.ExceptforB.Besides2.Wefoundthatthetesthadmoreorlessthedesiredeffect______theoutsideoftherubber.A.i
1.______sectionsofcities,thereareethnicregions,whicharewellknownforcertainfoodbecauseofthepeoplewhosettledthere.
A.ExceptforB.Besides
2.Wefoundthatthetesthadmoreorlessthedesiredeffect______theoutsideoftherubber.
A.ithadonB.thathadon
C.whathadtoD.thathaditon
3.Leisureistimeprogrammedfordoingwhatyouwantto.Itfreesapersonfromtheworkshoptoenjoy,foratime,______heisinterested.
A.thingsB.thingsinwhichC.whenD.inwhich
4.Togettheofferyoudesire,______.
A.turntoyourteacherforarecommendation
B.arecommendationisavailable
C.aninstructorisneeded
D.everyeffortshouldbemade
5.Parentsshouldensuretheirchildrenreceivepropernutrition,withplentyofiron-richandcalcium-richfoodsthatcanhelpslowdownthe______oflead(铅).
A.absorption.B.digestion
C.preservationD.contrversy
请逐个选项分析
第2、3道做得不对
第4道的其他选项为什么不可以
第5道的消化和保存为什么不可以