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PC处理人耳能听得到的音频信号，其频率范围是（）
A . 80～3400Hz
B . 300～3400Hz
C . 20Hz～20kHz
D . 20～44.1kHz
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听音频：您的浏览器不支持音频播放。回答题：What’s the most possible relationship between the two speakers?
A . Husband and wife．
B . Employer and employee．
C . Barber and guest．
D . Waiter and guest．
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当本端听不到声音时，可以通过本端音频（）来判断本端音频是否正常。
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听音频，回答以下问题。What do we know about the Amsterdam American Hotel according to the talk?
A . It’S near the Leidseplein Square．
B . It has altogether l75 9uestrooms．
C . It was built in the l9th century．
D . Its location is very good．
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光驱与声卡之间的音频线可以不接，仍然可以听CD。
A . 正确
B . 错误
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把下列汉字中有韵头的字找出来，并按韵头的不同分成几组来：航、行、害、表、样、按、权、对、无、下、光、六、水、我、有、要、年、连、听、走、燎、话、黄、或。
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听音频，回答以下问题。What kind of weather is normal for March?
A . Cold．
B . Very hot．
C . Cooler than that day．
D . Drier than that day．
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话音记录器自检启动后,若在控制面板上的耳机插孔内听不到800HZ音频,说明:（）
A . 正常
B . 系统有故障
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听音频，回答以下问题。What’S the good news for the man?
A . His company wants him to stay in New York for another half vear．
B . His wife is involved in an．important project．
C . His company wants him to move to all apartment．
D . He could save money in the long ILia．
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听音频，回答以下问题。what didn’t the man get from the conversation?
A . A postcard．
B . A questionnaire．
C . Free samples of tinned meat．
D . Some work．
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听音频，所听到的单词意思是（ )
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听音频，选择听到的单词（ ）
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听音频判断原文是否正确。原文：The collaboration between Information Technology, Science, Engineering, Mathematics and any other discipline that supports the development of skills is vital to our future.
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听音频：{MP3:/imgcache/attached/media/20140521/20140521114209_5477.mp3} 听材料，回答下列各题：
A.She got a "C" in maths as well.
B.She usually practices a lot in maths,
C.Maths is not as terrible as the man thinks
D.Maths is the enemy of all the students.
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听音频：{MP3:/imgcache/attached/media/20140429/20140429171937_3636.mp3} 回答下列各题：
A.The woman should explain to her professor．
B.The woman deserves a zero for the field trip．
C.The woman is right to be angry with her professor．
D.The woman should have gone on the field trip．
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光驱与声卡之间的音频线可以不接，仍然可以听CD。此题为判断题(对，错)。
是
否
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某企业想使用会议室现有的一台9039A高清终端,阵列麦克风M210,高清摄像头VPC500E, 电视机及音箱,某工程师将设备及线缆连接完成后，经测试，发现在终端声音测试模式 下，音箱能够听到测试音，但在终端本地音频环回模式下音箱听不到声音，以下处理正确 的有（）
A．确认MIC连线正确
B．确认主机MIC有没有分组
C．确认有启用麦克风
D．确认音箱连线是否正确
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听下列句子，选择正确答案
A．18岁
B．20岁
C．22岁
D．6岁
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给带横的字选择正确的解释 葬身异国（）
A．不同的
B．分开
C．另外的
D．特别的
E．奇怪
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给带横的字选择正确的解释 乃呼儿出（）
A．你、你的
B．竟
C．就,于是
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请以正确的顺序（）排列以下动作,以实现跨幻灯片的背景音乐效果。 A.选择“音频选项”组“开始”中的“自动”，并勾择“跨幻灯片播放”等四个相应的复选项 B.选择“音频工具”中的“播放”选项卡 C.点击幻灯片上的“音频图标”对象
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当音频电门选择旋钮在CAPTON3位时，下面说法正确的是？（）
A．第三部ACP接替了第一部ACP的所有功能
B．只是机长一侧的声音接受功能可以通过第三部ACP来控制
C．只是机长一侧的无线电的发射功能由第三部ACP控制
D．此时机长只是无法通过第三部ACP建立内话系统.其他功能正常
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听音频：{MP3:/imgcache/attached/media/20140521/20140521112102_0339.mp3} 根据所听到的内容，回下列各题。
A.Buy his daughter new shoes.
B.Listen to his daughters music
C.Respect his daughters opinion.
D.Have a passion on music.
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听音频：{MP3:/imgcache/attached/media/20140521/20140521115431_6247.mp3} 根据所听到的内容，回下列各题。
A.Read the warning tag on it to the woman.
B.Refuse to refund the sweater.
C.Wash the sweater in cool water.
D.Teach the woman how to wash it properly.
