铺设10米长的24kg/m钢轨，其过渡间距是（）毫米。 A.560 B.563 C.

下列哪项是血小板致密颗粒内产物()

A．vWF和Fg

B．β-TG和vWF

C．ADP和PS

D．β-TG和PF4

E．ATP和5-HT

W: I ran into Sally the other day. I could hardly recognize her. Do you remember her from high school
M: Yeah, she was a little out of shape back then. Well, has she lost a lot of weight
Q: What does the man remember of Sally()

A. She used to be in poor health.

B. She was popular among boys.

C. She was somewhat overweight.

D. She didn’t do well at high school.

口服乳果糖治疗肝性脑病的机制是抑制（）
肝硬化产生腹腔积液最主要原因是（）
肝硬化导致血小板减少的最主要原因是（）

A.白蛋白不足

B.血氨产生过多

C.脾大，脾功能亢进

D.门脉压力增高

E.长期便秘

区域性国际组织

结构化语言使用的语句类型有______语句、条件语句、循环语句。