New measures of Medical journals does NOT aim at ______.
A. helping doctors to make right treatment choices
B. enhancing the transparency of drug studies
C. stopping unfavorable drug studies from being kept back
D. lowering prices of drugs
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提高子宫平滑肌对催产素的敏感性是
A. 大剂量催产素
B. 孕激素
C. 小剂量催产素
D. 生乳素
E. 雌激素
When the children are doing body exercises, the parents should NOT ______.
A. explain the importance of physical activity in keeping people shaped and slim
B. also take part in the activities by themselves
C. try to find out activities that are suitable for the children
D. encourage the children to participate in physical activities
产后1周，出现午后低热，体温38℃，恶露正常，无异味，腹胀，不思饮食，大便臭秽，舌苔厚腻，脉滑。化验血常规：白细胞7.5×109/L。可诊断为
A. 急性子宫内膜炎
B. 会阴伤口感染
C. 产后伤食发热
D. 乳汁瘀积发热
E. 急性腹膜炎
操作系统将CPU的时间资源划分成极短的时间片，轮流分配给各终端用户，使终端用户单独分享CPU的时间片，有独占计算机的感觉，这种操作系统称为______。
A. 实时操作系统
B. 批处理操作系统
C. 分时操作系统
D. 操作系统分布式
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