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【单选题】
固态继电器的驱动电路可以包括隔离耦合电路、 ( ) 和触发电路三部分。A.
交流电路
B.
直流电路
C.
输入电路
D.
功能电路
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【单选题】Many sales representatives prefer to use laptop computers because they are_______for people who travel a lot.
A.
convenience
B.
conveniently
C.
conveniences
D.
convenient
【简答题】There are different superstitions (迷信) in different countries. In Britain, for example, many people do not like to walk under a ladder or to open an umbrella in a house. If they spill(撒) salt, they wi...
【简答题】A．Yes, I'm not. B．Yes, I am. C．No, I am. D．Not at all.
【单选题】—Are you from America? — _____ [ ]
A.
Yes, I amn't .
B.
Yes, I am .
C.
No, I am .
D.
No , I don't .
【单选题】__________ the global financial crisis, the Chinese government has taken many measures _______ people ‘s life to deal with it.
A.
Faced with; related
B.
Faced; relating to
C.
Faced with; relating
D.
Facing, related to
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