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【单选题】
图示电路中12V电压源发出的功率P 等于( ) 。A.
12.5W
B.
18.3W
C.
28.8W
D.
24.4W
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反馈参考答案：
举一反三
【单选题】Linda worked for the Minnesota Manufacturing and Mining company，________as 3M.
A.
knowing
B.
known
C.
being known
D.
to be known
【单选题】对马来酸氯苯那敏的性质描述中正确的是
A.
水溶液与苦味酸试液在水浴上加热产生黄色沉淀
B.
药用其右旋体
C.
分子结构中含有芳伯氨基
D.
属于降血糖药物
E.
与枸橼酸-醋酐试液在水浴上加热产生橘黄色
【简答题】8 位 LED 显示器采用动态显示方式时(不加锁存器),至少需要提供的 I/O 线总数是: 。
【单选题】Linda worked for the Minnesota Manufacturing Mining Company_____ as 3M.
A.
knowing.
B.
known.
C.
being known.
D.
to be known
【单选题】Linda worked for the Minnesota Manufacturing and Mining Company, ____ as 3M. [ ]
A.
knowing
B.
known
C.
being known
D.
to be known
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