纠正高血糖症并发代谢性酸中毒时,pH低于多少需要使用碱性药()。
A.7.10
B.7.15
C.7.20
D.7.25
E.7.30
参考答案:B
浆细胞主要存在于()。
A.胸腺
B.外周血
C.脾及淋巴结
D.黏膜相关的淋巴细胞
E.骨髓
Practice speaking English as often as possible and _____your spoken English will improve.
A.fluently
B.gradually
C.briefly
D.entirely