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【单选题】
在一个内径为 5cm 的管路上装一标准的板流量计,径为 25mm ,流系数为 0.68 , U 形管压差计以汞(密度 13600kg × m -3 )为指示液,读数为 220mm ,若液体的密度为 1050kg × m -3 ,黏度为 0.6mPa · s ,则液体的流量为 _________m 3 × h -1A.
9.7
B.
8.63
C.
10.7
D.
5.7
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【单选题】Jiffy-Pol Consultants is paid $1,000,000 for each percent of the vote that Senator Sleaze receives in the upcoming election. Sleaze's share of the vote is determined by the number of slanderous campai...
A.
3329
B.
1666
C.
72
D.
1702
【多选题】企业建立邮件列表的方式有()
A.
使用自己的服务器建立邮件列表
B.
使用网上提供的免费的邮件列表平台
C.
使用竞争对手的服务器建立邮件列表平台
D.
使用关系客户的服务器建立邮件列表平台
【单选题】Jiffy-pol Consultants is paid $1,000,000 for each percent of the vote that Senator Sleaze receives in the upcoming election. Sleaze's share of the vote is determined by the number of slanderous campai...
A.
3329
B.
1666
C.
72
D.
1702
【单选题】听力原文： The Rockford police chief and some city officials want to install video cameras in (30) all 100 police cars. (29) They think this will reduce the number of lawsuits filed against the city. In th...
A.
Because this will help them catch criminals.
B.
Because this will help them control the crime rate.
C.
Because this will help them reduce the number of lawsuits.
D.
Because this will help them save much manpower and time.
【简答题】活野鸡归入品目( )?
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