乳牙全部出齐不应晚于()
A.1岁
B.1.5岁
C.2岁
D.2.5岁
E.3岁
参考答案:D
—Who ______ in your class?
—Li Lei _______.[ ]
A. runs faster; runs
B. run the fastest; does
C. runs fastest; does
D. runs fastest; is
患儿男,生后2天,出生体重为2400g。因吸入性肺炎入院,入院时患儿呼吸急促,口唇稍发绀。即置于辐射保暖床上抢救。
该患儿吸氧的流量应选择每分钟为()
A.1L
B.2L
C.3L
D.4L
E.5L