"Stop worrying about counting things and worry about taste and eating" means ______
A. when one is in one's teens, one should eat things one does not like
B. one should be more aesthetically conscious while eating things
C. nutrients may be gained from one's riotously colorful plate of food
D. one does not have to care too much about what to eat when young
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Metals, valued by weight, ______ coins in many parts of the world.
A. preceded
B. perceived
C. performed
D. precipitated
抗心律失常药骤然停用后症状加重,属于()
A. 三致作用
B. 继发反应
C. 药物依赖性
D. 药物变态反应
E. 停药综合征
白细胞分类中,嗜酸性粒细胞参考范围为()
A. 1%一5%
B. 50%一70%
C. 20%一40%
D. 3%一8%
E. O~1%
扩大的临床试验,进一步验证药物对目标适应证患者的治疗作用是()
A. I期临床试验
B. II期临床试验
C. III期临床试验
D. IV期临床试验
E. 临床前评价