肺活量是反映人体生长发育水平的重要机能指标之一。

呼吸性酸中毒

A．主要由于体内CO₂积聚过多所致
B．体内HCO₃^-减少所致
C．换气过度所致
D．由于大量呕吐胃内容物所致
E．体内HCO₃^-减少所致

对下图解析正确的是 [ ]

A．该省财政收入是随着居民收入水平的增长而增长的

B．该省地区生产总值应与居民收入水平保持同步增长

C．该省财政收入的比重过大不利于个人购买力的增加

D．该省财政收入快速增长是地区生产总值增长的基础

结缔组织外痔是由于：

A．炎症刺激结缔组织增生所致

B．痔静脉的迂曲扩张所致

C．痔静脉破裂所致

D．遗传因素

E．腹腔压力增高所致

Man: Excuse me, I was told I could find Dr. Adkins here.
Woman: And you have.
Questions: What does the woman mean().

A. She is Dr. Adkins.

B. She has to find the doctor.

C. The doctor has been expecting the man.

D. The doctor will be with the man shortly.

挂叶