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