问题
判断题
电源指示灯亮时，而运行指示灯不亮，说明系统已因某种异常而中止了正常的运行。
答案
参考答案：对
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电源指示灯亮时，而运行指示灯不亮，说明系统已因某种异常而中止了正常的运行。
参考答案：对
| 用方框中所给词或词组的适当形式填空，每个词或词组只准使用一次。 | |
2. Shall we go shopping together when the meeting _______________? 3. The teacher asked them not _______________ on the street. 4. Look! They ______________ getting ready for the party. 5. —What is Mrs Brown doing? —She _______________ her son in hospital. |