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【判断题】
当生产任务和安全发生矛盾时，要把生产任务放在首位。A.
正确
B.
错误
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【简答题】When we read books we seem to enter a new world. This new world can be similar to the one we are living in, or it can be very __50__. Some stories are told as if they were true. Real people who live i...
【简答题】When we read books we seem to enter a new world. This new world can be similar to the one we are living in, or it can be very 31 . Some stories are told 32 they were true. Real people who live in a 33...
【多选题】标准误越大，则表示此次抽样得到的样本频率：_______
A.
抽样误差越大
B.
率的标准误越大
C.
系统误差越大
D.
可靠程度越高
E.
可比性越差
F.
代表性越好
【简答题】When we read books we seem to enter a new world. This new world can be similar to the one we are living in, or it can be very . Some stories are told they were true. Real people who live in a world do...
【单选题】线序排列的标准有两个,即 TIA/EIA-568A 标准和 TIA/EIA-568B 标准。 TIA/EIA-568B 标准描述的线序从左到右分别为 ( ) 。
A.
1 －白 / 绿； 2 －绿； 3 －白 / 橙； 4 －蓝； 5 －白 / 蓝； 6 －橙； 7 －白 / 棕； 8 －棕
B.
1 －白 / 橙； 2 －橙； 3 －白 / 绿； 4 －蓝； 5 －白 / 蓝； 6 －绿； 7 －白 / 棕； 8 －棕
C.
1 －白 / 橙； 2 －橙； 3 －白 / 蓝； 4 －绿； 5 －白 / 绿； 6 －蓝； 7 －白 / 棕； 8 －棕
D.
1 －白 / 橙； 2 －橙； 3 －白 / 绿； 4 －绿； 5 －白 / 蓝； 6 －蓝； 7 －白 / 棕； 8 －棕
【单选题】It is thought that one billion people in the world,_____ is half the world’s workers, earn their living by farming.
A.
if
B.
that
C.
which
D.
what
【简答题】When we read books we seem to enter a new world. This new world can be similar to the one we are living in, or it can be very 1 . Some stories are told 2 they were true. Real people who live in a n...
【简答题】EIA/TIA568B标准制定的双绞线线序中第1和第3根线颜色分别为:
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