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【单选题】
站间区间在单线上，以( )柱的中心线为车站与区间的分界线。A.
通过信号机
B.
站界标
C.
进站信号机
D.
出站信号机
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【单选题】―It’s a pity that many people lost their lives in the wreck accident in South Korea. ― I think so. It’s not wise _______ the captain to _____ first.
A.
for, run away
B.
of , run away
C.
that, run off
D.
of, run out
【单选题】晶体管的电流放大系数 beta 是指 ( ) 。
A.
) 工作在饱和区时的电流放大系数
B.
工作在放大区时的电流放大系数
C.
工作在截止区时的电流放大系数
D.
工作在高压电时的电流放大系数
【单选题】It’s a pity that the quarrel________their friendship.
A.
broke up
B.
put down
C.
took away
D.
gave up
【单选题】---It’s a pity that England should have been defeated so easily in the 2010 World Cup. ---They play so well; I really think they are worthy____ a place in the finals.
A.
of having
B.
of being had
C.
having
D.
to have
【单选题】It’s a pity that the quarrel ______ their friendship.
A.
broke up
B.
made up
C.
gave up
D.
put off
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