体重在1501~2000g的患儿使用暖箱的温度应设定在()
A.28~30℃
B.30~32℃
C.32~34℃
D.34~36℃
E.32~36℃
参考答案:B
We first met on a train in 2000. We both felt immediately that we _____ each other for years. [ ]
A. knew
B. have known
C. had known
D. know
QFS—300—2型发电机并列操作有哪些方法?