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【单选题】
容积式流量计的主要特点是，测量准确度高，被测介质的黏度，温度及密度等的变化对测量准确度影响小，测量过程与雷诺数（ ），尤其适用于高黏度流体的流量测量(因泄漏误差随黏度增大而减小)。A.
无关
B.
有关
C.
不确定
D.
不变
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举一反三
【单选题】What is the most convincing illustration for the integration?
A.
The oil crisis of 1973 and 1974.
B.
The rapid expansion in the volume of world trade.
C.
Production has become international.
D.
Labor becomes much more mobile.
【单选题】The illustration is from a liver biopsy of a 34-year-old woman with a long history of alcoholism. Which of the following is the best explanation for the changes shown here
A.
accumulation of triglycerides within hepatocytes
B.
apoptosis with replacement of damaged cells by lipid-laden macrophages
C.
billirubin accumulation with mobilization of fat by bile salts
D.
enzymatic fat necrosis with digestion of liver parenchyma by released enzymes
E.
irreversible damage to mitochondria
【单选题】某公司过去一年支付股利 500元,支付利息600元,普通股增长了200元,留存收益下降了100元,求净利润是多少?
A.
$400
B.
$500
C.
$600
D.
$800
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