8.答案A
【解析】hesitation犹豫;surprise吃惊;doubt疑问;delay延迟。hesitation最符合句意。
9.答案B
【解析】本句意为把飞行员挪到一边。aside意为一边、旁边,符合句意。back向后;about到处;move off指车辆启程。
10.答案C
【解析】本句意为:这个人坐到飞行员的座位上,认真听发自下面机场通过无线电发出的紧急指令。patient耐心的;anxious焦急的;nervous紧张的,都不符合句意。只urgent合适。
P
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
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