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【判断题】
编程时应注意,“输入继电器”的线圈只能有外部信号来驱动,不能在程序内部用指令来驱动,因此,在用户编制的梯形图中只应出现“输入继电器”的触点,而不应出现“输入继电器”的线圈。A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】— Oh, my god! We have missed the last bus. What shall we do? —I’m afraid we have no ______but to take a taxi.
A.
choice
B.
reason
C.
information
D.
instruction
【简答题】复式记账法是指对发生的每一笔经济业务都要（ ）进行登记的一种记账方法
【简答题】复式记账法对发生的每一笔经济业务进行登记的方法为（ ）。
【多选题】直接管制是指政府通过发布行政命令,对国际经济交易进行行政干预,以求国际收支平衡的政策措施。主要包括( ):
A.
汇率政策
B.
财政管制
C.
贸易管制
D.
外汇管制
【单选题】I’m afraid you can’t _______ to the village in an hour; you must consider the icy road.
A.
get it
B.
take it
C.
make it
D.
leave it
【单选题】听力原文：I'm afraid I have to leave a little early for a dental appointment. (A) I can take notes at the meeting for you. (B) You should go to bed early. (C) No, nothing has happened indeed. (33)
A.
B.
C.
【单选题】He used to _____ being alone, but now he has grown up. [ ]
A.
be afraid of
B.
afraid of
C.
be afraid to
【单选题】—Oh, my God! We have missed the last bus. What shall we do? —I'm afraid we have no _______ but to take a taxi. [ ]
A.
decision
B.
choice
C.
advice
D.
reason
【单选题】--- Sorry, honey. I’m afraid we are too busy to take a holiday at the present time. --- Could we take ______ two weeks from now?
A.
one
B.
that
C.
it
D.
a one
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