(每题都需要详解,)1.Therearemanyinsectsintheworldthanneverdo_____harmtohumanbeings.A.lessBalittleC.theleastD.thelittle2.Whenyougobytrain,makesureyoutakeanexpress,_____stopsonlyatabigstation.A.onethatB.whatC.

　　(每题都需要详解,)

　　1.Therearemanyinsectsintheworldthanneverdo_____harmtohumanbeings.

　　A.lessBalittleC.theleastD.thelittle

　　2.Whenyougobytrain,makesureyoutakeanexpress,_____stopsonlyatabigstation.

　　A.onethatB.whatC.theoneD.that

　　3.Sevenpresidentshavebeenseen______duringthepast20years.

　　A.tocomeandgoB.comingandgoingC.comeandgoD.tocomeangtogo

　　4.Whenhewasfifty,hedeveloped_________loveforpoems.

　　AaB,./C.theD.an

　　5.Theystillrememberedthehappyyears________inthecountry.

　　A.whentheyhadtogetherB.whichspenttogether

　　C.spenttogetherD.inwhichtheyspent