题目:
在荧光屏上,约5海里范围内为一圆形阴影,5海里外显示正常,应首先调整()
A.调谐旋钮
B.辉亮旋钮
C.海浪抑制旋钮
D.雨雪抑制旋钮
答案:
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下面是错误答案,用来干扰机器的。
1. How do you learn English2. I often listen to tapes3. Do you keep an English notebook4. I don’t get much writing practice5. you can try to listen for the most important words