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【简答题】
What is the function of the crankshaft?
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】The author suggests that______.
A.
we shouldn't blame a person if he fails to act in emergencies
B.
a person must feel guilty if he fails to help
C.
people should be responsible for themselves in emergencies
D.
when you are in trouble, people will help you anyway
【判断题】The organization can switch to the old system if the new system fails in the parallel conversion approach.
A.
正确
B.
错误
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