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【单选题】
下列不属于降低机械噪声的是方法是（）A.
选择发声小的材料
B.
改变传动方式
C.
改进设备机械的结构
D.
改变生活方式
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反馈参考答案：
举一反三
【简答题】Rumors are everywhere spreading fear，damaging reputations， __________________(把平静的环境搅得鸡犬不宁)．
【单选题】Rumors are everywhere, spreading fear, damaging reputations, and turning calm situations into______ones.
A.
tragic
B.
vulnerable
C.
turbulent
D.
suspicious
【简答题】The minister ___________ (拒绝回答关于) the rumors of his resignation.
【简答题】The office was ________________ rumors.
【单选题】A review of exam standards is to be announced, because______.
A.
there are rumors that some universities admit A-level failures
B.
there are criticisms on the national educational performance
C.
there is controversy over an alarming dropout rate of new vocational equivalents
D.
there are suspicions on the feasibility of foundation course
【单选题】Rumors began to circulate about his financial problems.
A.
spread
B.
send
C.
hear
D.
confirm
【单选题】Rumors are everywhere, spreading fear, damaging reputations, and turning calm situations into ones.
A.
vulnerable
B.
turbulent
C.
ridiculous
D.
disastrous
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