PaO2在下述何范围内对脑血流量的影响不大()
A.20~50mmHg
B.0~20mmHg
C.300~400mmHg
D.0~50mmHg
E.60~300mmHg
参考答案:E
I want a gift ___________ every person ___________ my family. [ ]
A. to, in
B. for, in
C. give, on
小儿指纹透关射甲提示()
A.邪气入络
B.邪气入经
C.邪入脏腑
D.邪深病重
E.病情凶险