含马来酸氯苯那敏成分的中成药易致()。
A.低血糖
B.粒细胞缺乏症,再生障碍性贫血,血小板下降性紫癜
C.肝肾功能损害
D.嗜睡疲劳
E.头痛心悸震颤
参考答案:E
I just don't understand_______ that prevents so many Americans from being as happy as one might expect.
A.why it does
B.what it does
C.what it is
D.why it is
采用全血测定时,采血时应加入一定量的抗凝剂。采集1ml血时,通常加入肝素()。
A.0.01~0.05mg
B.0.01~0.02mg
C.0.1~0.2mg
D.0.5~1.0mg
E.1.0~2.0mg