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【单选题】
用万用表测电阻时，每个电阻档都要调零，如调零不能调到欧姆零位，说明（）。
A.
万用表调零功能已坏
B.
电池极性接反
C.
万用表欧姆档已坏
D.
电源电压不足，电池
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参考答案：
举一反三
【判断题】标记物放射化学纯度一般要求大于80%。
A.
正确
B.
错误
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【简答题】My father brought home a sailboat when I was ten, and almost each Sunday in summers we would go sailing. Dad was quite skilled in sailing, but not good at 36 . As for me, I 37 both before twelve becau...
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【单选题】According to the information given in the passage, if two 20-year-old twins lived on earth, and one of them left on a journey for Alpha Centauri at very close to the speed of light, then managed to su...
A.
Her great-grandmother
B.
Her twin at the age of 20
C.
Her twin at the age of 40
D.
Her twin at the age of 60
E.
Her twin's great-grandchildren
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【单选题】下列哪些不属于汽车商务活动( )
A.
车展
B.
车友聚会
C.
新车发布会
D.
新车品鉴会
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【简答题】The hippo(河马) is the most erous animal in Africa, but that hasn’t stopped a South African animal lover from friends with one. Marius Els is 40 years old. He ______ around 20 different kinds...
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【判断题】三相电动机的供电方式可用三相三线制，同样照明电路的供电方式也可用三相三线制。
A.
正确
B.
错误
查看完整题目与答案
【简答题】A woman was walking her dog along a beach in New Zealand in late June when she saw something that looked like a white ball in the sand. It turned out to be a young Emperor penguin that was lost. At hi...
查看完整题目与答案
【判断题】并馈: LC 回路两端均是直流低电位端,且有一端接地;
A.
正确
B.
错误
查看完整题目与答案
【判断题】三相电动机的供电方式可用三相三线制,同样三相照时电路的供电方式也可采用三相三线制。
A.
正确
B.
错误
查看完整题目与答案
【判断题】三相电动机的供电方式可用三相三线制，同样三相照明电路的供电方式也可采用三相三线制。
A.
正确
B.
错误
查看完整题目与答案
相关题目：
【判断题】标记物放射化学纯度一般要求大于80%。
A.
正确
B.
错误
查看完整题目与答案
【简答题】My father brought home a sailboat when I was ten, and almost each Sunday in summers we would go sailing. Dad was quite skilled in sailing, but not good at 36 . As for me, I 37 both before twelve becau...
查看完整题目与答案
【单选题】According to the information given in the passage, if two 20-year-old twins lived on earth, and one of them left on a journey for Alpha Centauri at very close to the speed of light, then managed to su...
A.
Her great-grandmother
B.
Her twin at the age of 20
C.
Her twin at the age of 40
D.
Her twin at the age of 60
E.
Her twin's great-grandchildren
查看完整题目与答案
【单选题】下列哪些不属于汽车商务活动( )
A.
车展
B.
车友聚会
C.
新车发布会
D.
新车品鉴会
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【简答题】The hippo(河马) is the most erous animal in Africa, but that hasn’t stopped a South African animal lover from friends with one. Marius Els is 40 years old. He ______ around 20 different kinds...
查看完整题目与答案
【判断题】三相电动机的供电方式可用三相三线制，同样照明电路的供电方式也可用三相三线制。
A.
正确
B.
错误
查看完整题目与答案
【简答题】A woman was walking her dog along a beach in New Zealand in late June when she saw something that looked like a white ball in the sand. It turned out to be a young Emperor penguin that was lost. At hi...
查看完整题目与答案
【判断题】并馈: LC 回路两端均是直流低电位端,且有一端接地;
A.
正确
B.
错误
查看完整题目与答案
【判断题】三相电动机的供电方式可用三相三线制,同样三相照时电路的供电方式也可采用三相三线制。
A.
正确
B.
错误
查看完整题目与答案
【判断题】三相电动机的供电方式可用三相三线制，同样三相照明电路的供电方式也可采用三相三线制。
A.
正确
B.
错误
查看完整题目与答案
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