用于心血管手术、血液透析等抗凝:
A.阿司匹林
B.肝素
C.链激酶
D.香豆素类
E.氨甲环酸
参考答案:B
欲购危险货物运输车辆,则必须按“(),(),()”的程序办理。
Keeping in mind _____his mom had told him,the child waited patiently outside the gate.
A.what
B.which
C.that
D.as