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【单选题】
高处作业由于其特殊危害性,相关单位除了落实安全技术措施外,还应该加强其()管理工作。A.
预防
B.
人员
C.
安全
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举一反三
【单选题】______, she has seen much of the world.
A.
Young as she is,
B.
As she is young,
C.
Young she is,
D.
Though young as she is,
【简答题】“四舍六入五留双”的规则是:被修约的数字等于或小于4时,____该数字;等于或大于6时,则____;被修约的数字为5时,若5后有非零的数就____;若无数或为零时,则看5的前一位,为奇数就____,偶数则____。
【单选题】金刚石的晶体结构属于 点阵, 其致密度为 。
A.
体心立方 0.68
B.
体心立方 0.54
C.
面心立方 0.34
D.
面心立方 0.74
E.
体心立方 0.34
F.
面心立方 0.52
【单选题】There seem few movies by Hitchcock ______ she wants to see, for she has seen almost all of his movies.
A.
that
B.
which
C.
who
D.
whom
【简答题】She has seen this movie 3 times. 是什么时态?
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