托业考试

易错题： Questions 169-171 refer to t

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根据网考网考试中心的统计分析，以下试题在2019/3/4日托业考试习题练习中，答错率较高，为：56%
【单选题】

Questions 169-171 refer to the following manual.

TROUBLESHOOTING

If your TV does not work，check the following points：

PICTURE
SOUHD
POSSIBLE、CAUSES
WHAT TODO
No picture
Noise
Not properly tuned
Adjust tuning
Picture visible
No sound

·Volume control dialturned too low

·Earphones inserted

·Turn up volume

·Disconnectearphones

Picture all white
Sound heard
Brightness control not set correctly
Adjust brightness control
Picture dark or blurred
Sound heard
Brightness control not set correctly
Adjust brightness control
When should the tuning be adjustedA、When there is no picture and no sound

B、
B、When there is a picture but no sound
C、When the picture is white
D、When there is noise but no picture

网考网参考答案：D，答错率：56%
网考网试题解析：
For no picture and noise, WHAT TO DO suggests adjust tuning. Choice (A) is not mentioned. Choice (B) needs the volume turned up or the earphones disconnected. Choice (C) needs the brightness control adjusted. document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>

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