鼓胀的主症是（）
A.全身水肿
B.单腹胀大
C.下肢水肿
D.头面四肢水肿
E.腹壁青筋暴露
参考答案：B
提示哮喘发作病情可能加重的表现为（）。
A.烦躁不安
B.哮鸣音减弱或消失
C.明显发绀
D.呼吸困难
E.喘气费力
What do you think "hatching and rearing their young" means
A．Raising families.
B．Getting on well with smaller birds.
C．Behaving like young birds.
D．Attacking smaller birds.
