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【单选题】
YL-335B生产线中的光电开关检测到元件时()。A.
两个灯都亮
B.
两个灯都不亮
C.
橙色灯亮
D.
绿色灯亮
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举一反三
【简答题】When did the storm started?It started ______.
【单选题】以下关于路由器说法不正确的是哪一个？
A.
路由器是多协议设备；
B.
路由器可以同时运行多种动态路由协议；
C.
路由器可以连接以太网，不可以连接帧中继网；
D.
路由器是具有传输层、网络层和数据链路层的设备；
【简答题】A．It started at a time when the workers were slower in work. B．it started during the Second World War. C．It started before the factories had their own orchestras. D．It started in the early part of 19t...
【单选题】When did Mozart music?
A.
started writing
B.
start write
C.
started write
D.
start writing
【单选题】Hardly _______ the enemy _______ out _______ the Eighth Route Army men were informed. A. did, start, when B. \, started, then C. had, started, when D. would, start, then
A.
did, start, when
B.
\, started, then
C.
had, started, when
D.
would, start, then
【单选题】EBS started experimenting with education and training
A.
when the University started operating.
B.
when the company was founded.
C.
in the late 1970s.
【简答题】A．It started at a time when the workers were slower in work. B．It started during the Second World War. C．It started before the factories had their own orchestras. D．It started in the early part of 19t...
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