题目内容

[音频]

A. The watch has stopped.
B. He can start to help her at four.
C. Thereisnotenoughtimetofinish.
D. The books will be finished at four.

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[音频]

A. Eatherorange.
B. Share her orange with the man.
C. Go to the grocery store with the man.
D. Eat what she bought last time

[音频]

A. The woman went out with her car key.
B. The woman lost her car key in the morning.
C. John went out in his car.
D. Johntookthekey.

直流24V电源的正负端分别按照触摸屏电源接口标识进行连接,不可反接,否则无法工作。

A. 对
B. 错

触摸屏与PC的通信参数设置,PC通讯口所选择的串口必须与实际设置一致,否则无法通信。

A. 对
B. 错

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