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【单选题】
用万用表测量直流电压时,测量值读数比实际值小一半,故障的原因可能是()A.
转换开关接触不好
B.
部分整流元件损坏，整流变成半波整流
C.
表头灵敏度降低
D.
表头被短路
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皮皮学刷刷变学霸
举一反三
【单选题】True or false. Shadowing involves repeating what the speaker says, word for word, in the same language. Normally, the interpreter will be a word or two behind the speaker as one repeats what has been ...
A.
T
B.
F
【简答题】简述激动药与拮抗药的特点。
【判断题】A synonym is a word or phrase that means exactly or nearly the same as another word or phrase in the same language.
A.
正确
B.
错误
【简答题】I said good morning to him in ______ and he replied in the same language.
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