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【判断题】
Welding machine can convert alternating current into direct current.A.
正确
B.
错误
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】变电站防雷堂上作业
【单选题】We cannot see any possibility of business______ your price is too high. We cannot see any possibility of business______ your price is too high.
A.
though
B.
while
C.
since
D.
that
【单选题】Your price is unreasonable. It is out of my price _____.
A.
range
B.
scope
C.
ability
D.
imagination
【简答题】But what we should do is an (伦理) question.
【单选题】What we should do is an ethical question--we must understand what is right and wrong.
A.
价值的
B.
道德的
C.
理想的