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【单选题】
用系统作测量装置时,为获得较宽的工作频率范围,则系统的阻尼比应( )A.
愈大愈好
B.
愈小愈好
C.
接近1/2
D.
接近
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反馈参考答案：
举一反三
【判断题】Marketing involves selling products and services, but that doesn’t mean marketing is limited to sales activities.()
A.
正确
B.
错误
【简答题】如图所示，l 1 ∥l 2 ，∠1=72°，则∠2=（ ）。
【判断题】Operating directly abroad enhances the invisibility of a firm's products, making local customers feel more assured about the things they buy.()
A.
正确
B.
错误
【单选题】Tom: The manager told me that they these products since 19 72 . Mike: Such a long history. I like their products so much.
A.
had produced
B.
produced
C.
have been producing
D.
had been producing
【单选题】Mr Carp made use of 72% of the companies dividend to finance traditional film products.
A.
Right
B.
Wrong
C.
Doesn't Say
【单选题】(72) products often feature games with learning embedded into them。
A.
Program
B.
Database
C.
Sofrware
D.
Multimedia
【简答题】有一个数被l44除余l36，被72除余______．
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