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【判断题】
个案调查是一种定量和定性相结合的研究方法。A.
正确
B.
错误
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【简答题】在上图中,电阻的电路符号是( )。
【单选题】What is the correct way to read the decimal '106.16' in English?
A.
One hundred and six point one six.
B.
One hundred and six point sixteen.
C.
One hundred and six points one six.
D.
One hundred and six points sixteen.
【简答题】电阻是阻碍电流的元件,在电路中起___________作用。固定电阻文字符号为_______。
【简答题】在电路中,如图符号表示的电路元件是 A.电源 B .开关 C.用电器 D.电阻
【简答题】在电路图中，电阻器的文字符号是（），电位器的文字符号是（）。
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