初中学生科普英语竞赛(请把你选中的答案A、B、C或D做在答题卡或答题纸的规定位置上
)PARTIScienceKnowledge(15分)Directions:Thereisonlyonecorrectanswer
MarkthecorrespondingletterontheAnswerSheet
Whentheantsarefirsthatched,theyareverysmalland_____
hopelessB
uselessC
helplessD
legless2
Thatnewexperimentbuilding_____anareaof5000squaremeters
includesB
holdsC
takesD
covers3
Peopleshouldget_____ofsleepastheyneedtofeelrested
asmanyhoursB
asmuchhoursC
somuchhourD
somanyhour4
Thephenomenonofluckisnotalldowntochance,butisaffectedbyaperson’s_____disposition
generalB
gentleC
generousD
giant5
Theageoffossilscanbefoundbyaprocess_____carbondating
beingcalledB
calledC
callingD
tocall6
Suddenlythebatteryonyourmobilephonehas_____,youcan’tmakeanycallforhelp
rundownB
runafterC
runoffD
runout7
Whenaplantoranimaldies,thecarbon14inthecellsbe