T细胞和B细胞发生免疫应答的场所是()
A.骨髓
B.外周免疫器官
C.中枢免疫器官
D.胸腺
E.血液
参考答案:B
He was completely ________by her tale of hardship.
A.taken away
B.taken down
C.taken in
D.taken up
初孕妇,28岁,规律性子宫收缩10小时,宫口开大8cm,胎心140次/分,胎膜未破,首选的护理措施是 ()
A.肥皂水灌肠
B.人工破膜
C.立即内诊检查
D.继续观察4小时
E.做剖宫产术前准备