急性中度一氧化碳中毒的特点是()
A.碳氧血红蛋白饱和度在30%-40%
B.脉搏增快
C.嗜睡及昏迷
D.口唇紫绀
E.肌肉张力增高
参考答案:A, B, C, D, E
(35×13)×24=( )×(13×24)
- _is your birthday ? - It's in February, 2001.
A.Where
B.What
C.How
D.When