- 搜标题
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- 搜选项
单项选择题
While delivering a speech with a microphone, you should ________.
A．shout out with the largest volume
B．put the microphone near to your mouth as close as possible
C．murmur to yourself
D．put the microphone near to your mouth but with a distance of about 3-5cm
B．put the microphone near to your mouth as close as possible
C．murmur to yourself
D．put the microphone near to your mouth but with a distance of about 3-5cm
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