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【单选题】
外按压的深度为
A.
2-3cm
B.
3-4cm
C.
4-5cm
D.
5-6cm
E.
大于6cm
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参考答案:
举一反三
【多选题】共射极放大电路如图所示,温度上升时,会使。( )【图片】
A.
静态IB增大
B.
静态IC增大
C.
Q点向饱和区移动
D.
β值增大
E.
U减小
F.
三极管输出特性整体向上移动
【判断题】汽车形态与发动机技术及布置方式、汽车整体布置方式、内部构造、车身材料与工艺、空气动力学和人机工程学等有着密切关系,外形受到它们的影响与限制。
A.
正确
B.
错误
【单选题】Why did Phil Shaw start his hobby?
A.
He wanted to do two things (climb and iron) at the same time.
B.
He wanted to get fit.
C.
He wanted to become famous.
【单选题】why did Phil Shaw start his hobby?
A.
a
B.
b
C.
c
【单选题】抽样误差是指( )
A.
抽样调查中所存在的误差
B.
由于抽样的不同方法而产生的误差
C.
抽样调查中的工作误差
D.
样本统计值与总体参数值之间存在的误差
【判断题】统计值与参数值之间不存在抽样误差。
A.
正确
B.
错误
【单选题】Why did Phol Shaw start his hobby?
A.
He wanted to do two things (climb and iron ) at the same time.
B.
He watned to get fit.
C.
He wanted to becomefamous.
【单选题】抽样误差是指()
A.
抽样调查中所存在的偏差
B.
工作中的偏差
C.
由于采用不同抽样方法产生的偏差
D.
样本统计量与总体参数值之间存在的偏
【简答题】汽车底盘的总体布置与发动机的位置及汽车的驱动方式有关,一般有( )、( )、( )、( )等。
【单选题】Why did British women work as prostitutes according to Bernard Shaw?
A.
Because they were forced to do so by patriarchs.
B.
Because the sex industry was very profitable.
C.
Because they were underpaid and undervalued in other industries.
D.
Because they were too idle to work in factories.
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