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【判断题】
PLC 中只能由外部信号所驱动,而不能用程序指令来驱动的称输入继电器。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】I’d get it for you ______ I could remember who last borrowed the book.
A.
on condition that
B.
now that
C.
except that
D.
considering that
【简答题】I’d like to have some lunch, but I
have to stay here doing my work. ____ what you want and I can get it
for you.A. To tell me B. Telling me C. Tell you D. Tell
me
【单选题】--- Could I borrow your dictionary? --- I’d get it for you ______ I could remember who last borrowed it.
A.
except that
B.
unless
C.
only if
D.
if only
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