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【单选题】
电缆中,第 3 对备用线的色谱是( )A.
白 / 灰
B.
白 / 紫
C.
白 / 黄
D.
红 / 灰
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【简答题】Steps in Starting a Used Baby Equipment Business 1. Just like any other business, you have to know the market first. This will help you choose a suit able location. 2. Decide on what kind of second-ha...
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A.
呈六角形,两侧与第一肋骨相连
B.
两侧与第二肋软骨相连
C.
与支气管分叉水平
D.
相当于第五胸椎水平
E.
与心房上缘水平
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A.
market
B.
advertise your store
C.
other households
D.
safety
E.
promotional
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【判断题】Henry VII, the 1st Tudor
monarch became king of England in 1485 after the Wars of the Roses.
A.
正确
B.
错误
【简答题】模型如下：【图片】如果对y进行50步预测，那么你认为最接近的估计值是 .
【单选题】20120104某班语文和数学考试的成绩绘制成如下两条曲线。从图上可以看出,与语文考试相比,数学考试(4)。
A.
平均成绩较高，方差较小
B.
平均成绩较高，方差较大
C.
平均成绩较低，方差较小
D.
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