用数学模拟药物在体内吸收、分布、代谢和排泄的速度过程而建立起来的数学模型是指
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A.carefulB.sensitiveC.ordinaryD.effective
A. careful
B. sensitive
C. ordinary
D. effective
A.economistsB.scholarsC.CanadiansD.scientists
A. economists
B. scholars
Canadians
D. scientists
It can be inferred that________.
A. Henry Ford always tried toavoid waste
B. Henry Ford required totalobservation once the standards were established
C. Henry Ford alwaysencouraged his workers to make changes of the products
D. Henry Ford made hisownDesigns of his cars
速动比率是企业一定时期的速动资产同流动负债的比率,国际上公认的标准比率为()。
A. 90%
B. 100%
C. 120%
D. 150%