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【简答题】
圆曲线和缓和曲线始终点标,设在()各点处,标明所向方向为直线、圆曲线或缓和曲线。
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A.
derived
B.
made
C.
submerged
D.
explored
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A.
5
B.
10
C.
20
D.
30
【简答题】A.exploded B.opened up C.dug out D.explored
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A.
reiected
B.
examiHed
C.
proposed
D.
exposed
【单选题】下面哪个系统目录中 存放了系统引导、启动时使用的一些文件和目录 ( ) 。
A.
/dev
B.
/lib
C.
/etc
D.
/usr
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【简答题】The conference explored the possibility of closer trade links.
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【简答题】A.scanned B.examined C.studied D.explored