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【判断题】
一个特征向量可以属于不同特征值
A.
正确
B.
错误
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【判断题】P52 二章4节仓储合同无论采用何种形式,只要符合合同法中关于合同成立的要求(即双方达成合意),合同即告成立,而无需以交付仓储物为合同成立的要件。( )
A.
正确
B.
错误
【单选题】电源电压为+12V的555定时器,组成施密特触发器,控制端开路,则该触发器的回差电压△U T 为( )V
A.
8
B.
6
C.
4
D.
12
【单选题】电源电压为 +12V 的 555 定时器、组成施密特触发器,控制端开路,则该触发器的回差电压 △V T 为
A.
4V
B.
6V
C.
8V
D.
12V
【单选题】电源电压为+12V的555定时器组成施密特触发器,控制电压输入端接+7V电压,则该触发器的回差电压△V T 为( )。
A.
4
B.
8
C.
3.5
D.
7
【单选题】I'm afraid the coffee I spilt will make a ______ on the tablecloth.
A.
mark
B.
speckle
C.
stain
D.
dot
【简答题】The responsible period of the carrier for the loss of or damage to the cargo as well as delay in delivery under( )is between the time of carrier taking over the goods and the time of delivery.
【单选题】下列为美国自由舞时期的代表人物的是
A.
露丝·圣·丹尼斯
B.
洛伊·富勒
C.
崔莎·布朗
D.
皮娜鲍什
【单选题】You can make instant coffee by simply _______ .
A.
adding hot water
B.
grinding and roasting the coffee beans
C.
putting it in the microwave oven
【单选题】Put in the Coffee and ( )it, you will make the drink.
A.
twist
B.
stir
C.
roll
D.
hake
【单选题】______ no coffee left, they had to make do with tea.
A.
There being
B.
It being
C.
It was
D.
There was
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