摄像机出现( )现象，停止工作，这种情况只是暂时的，过几小时就会恢复。
A．结露
B．显示屏不亮
C．无法变焦
D．对焦不清
参考答案：A
回答下列问题。
1. What's his favorite subject?
______________________________
2. What language does she speak?
3. When do you have P.E.?
4. Where are you from?
5. Why does she like math best?
6. What's in the bedroom?
7. Do you sleep late in the morning?
8. What can he do?
《三国演义》中有不少广为流传的成语典故，“望梅止渴”就是其中一例。请简述“望梅止渴”的情。
