狭义糖蛋白的碳水化合物含量少于()
A.2%
B.4%
C.6%
D.8%
E.10%
参考答案:B
We have two maps. One is a map of china, ________ is a map of world. [ ]
A. Another
B. other
C. the other
D. others
预防心房颤动病人发生体循环栓塞,应首选下列哪种药物()
A.阿司匹林
B.华法林
C.噻氯匹定
D.低分子肝素
E.普通肝素