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【单选题】
智月BYA700挂机最低静音为()分贝
A.
18
B.
20
C.
22
D.
24
题目标签:
挂机
分贝
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参考解析:
刷刷题刷刷变学霸
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【单选题】常用的吊篮悬挂机构有搁架和轮架。搁架是置于()或类似结构物的悬梁架。
A.
墙面
B.
通道
C.
屋面
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【多选题】( 听力SectionC )The people who lived in Rome two thousand years ago were already complaining about the noise in their city. They couldn’t sleep, they said, with all that traffic in the streets. For them...
A.
merely
B.
average
C.
worsening
D.
the degree of loudness
E.
we are exposed
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【判断题】地位低的给地位高的打电话,应是地位高的先挂机。()
A.
正确
B.
错误
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【单选题】用户摘挂机扫描周期一般为( )ms。
A.
100~200
B.
8~10
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【单选题】挂机电源线是多长?()
A.
1.5米
B.
2米
C.
3米
D.
1.8米
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【单选题】( )的单位是分贝。
A.
声强
B.
声调
C.
音色
D.
音调
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【简答题】分贝和奈培都是同纲量的()的单位。
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【单选题】挂机短信会在以下哪种情况下触发短信
A.
未接通
B.
已接通
C.
挂断后
D.
以上都是
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【单选题】Noise Pollution Psychologists now believe that noise has a considerable effect on people’s attitudes and behavior. Experiments have proved that in noisy situations (even temporary ones), people would ...
A.
can not complete his work in a noisy situation
B.
will suffer from complete deafness because of noise pollution
C.
can be psychologically affected by working in very noisy factories
D.
may cooperate well in a noisy surrounding
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【单选题】H.248协议中的消息(),代表模拟线包中的挂机事件。
A.
al/on
B.
al/of
C.
al/ri
D.
al/fl
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