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问题 多项选择题

VPI微机联锁检修作业中控制台巡视的内容包括（）。

A.微机时钟是否正确，时分有误时，应在维修机上进行调整

B.检查各CRT显示器显示情况良好，界面清晰，对比度合适，适当调整显示器画面，以延长显示器寿命

C.检查输入设备（数化仪、鼠标）运行情况良好

D.MMI、维修机风扇防尘罩清扫工作、打印机工作正常

答案

参考答案：B, C

句型转换

根据所给的汉语语提示，转换下列句型。

1. E-mail English is used for saving time.   (改为同义句)

   E-mail English is used                time.

2. People can use their computers to talk to each other.   (改为同义句)

   People can use their computers to talk to               .

3. He was supposed to arrive at 7:00 pm. （对画部分提问)

                  was he supposed to arrive?

4. He has ever been to Tokyo.  (改为否定句)

   He               been to Tokyo.

5. Don't be afraid of making mistakes.  (改为同义句)

   Don't be afraid                mistakes.
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多项选择题

更换CNG加气机电路板必须先进行以下步骤（）

A、切断加气站电源

B、切断加气机电源

C、排空管道压力

D、释放静电
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