英語考試完形填空模擬練習(xí)及答案詳解(一)

　　Scientists have reason to think __18__ a man can __19__ far more radiation __20__ without being damaged; the figure of 60 rems has been agreed.

　　1.A.for B.with

　　C.on D.as

　　2.A.stars B.sun

　　C.earth D.space

　　3.A.with B.from

　　C.under D.for

　　4.A.use B.live

　　C.eat D.get

　　5.A.again B.also

　　C.besides D.too

　　6.A.environment B.space

　　C.atmosphere D.earth

　　7.A.across B.to

　　C.from D.through

　　8.A.valid B.enormous

　　C.various D.proper

　　9.A.As soon as B.As well as

　　C.As much as D.As possible as

　　10.A.shown B.exposed

　　C.faced D.covered

　　11.A.but B.because

　　C.so D.so that

　　12.A.get B.make

　　C.have D.do

　　13.A.earth B.atmosphere

　　C.space D.environment

　　14.A.pieces B.units

　　C.parts D.elements

　　15.A.receive B.accept

　　C.bring D.catch

　　16.A.conventional B.common

　　C.general D.normal

　　17.A.shifts B.converts

　　C.modifies D.varies

　　18.A.what B.which

　　C.that D.why