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【单选题】
PLC 的特点是 :A.
可靠性高，但功能不够强大
B.
可靠性高，功能不够强大，但使用不够简单方便
C.
可靠性高，功能不够强大，使用简单方便，但有一定的 I/O 滞后
D.
可靠性高，功能不够强大，使用简单方便，但只能进行数学运算。
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反馈参考答案：
举一反三
【单选题】My grandfather _____ stay _____ home and watch TV.
A.
like, at
B.
likes, in
C.
likes to, at
【单选题】第一架装备涡轮喷气发动机的飞机,是 ____ 国 ____ 年成功试飞的 He-178 。
A.
德国 1949
B.
德国 1939
C.
英国 1949
D.
美国 1939
【单选题】My grandfather, who the World War Two, likes to talk to us about his experience.
A.
went through
B.
got through
C.
went out from
D.
came out of
【单选题】My grandfather _____ stay _____ home and watch TV. [ ]
A.
like, at
B.
like, in
C.
likes to, at
D.
likes to, in
【简答题】肌腱袖由哪些肌的肌腱构成?有何作用和临床联系?
【单选题】My grandfather _____ stay ______ home and watch TV. [ ]
A.
like; at
B.
like, in
C.
likes to, at
【单选题】My grandfather has ____________ old bike, but he likes ____________ bike very much. [ ]
A.
a, the
B.
an, the
C.
the, the
【单选题】Poppy likes ______ mice and she ______ my grandfather. [ ]
A.
chases; belong to
B.
chasing; is
C.
chasing; belongs to
D.
chases; is
【简答题】( )是用来观察与测量电压、电流波形的一种电子仪器.
相关题目：
【单选题】My grandfather _____ stay ______ home and watch TV. [ ]
A.
like; at
B.
like, in
C.
likes to, at
参考解析：
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