治疗休克的基本措施是补充血容量，宜首选（）
A.电解质溶液
B.10%葡萄糖
C.右旋糖酐
D.5%碳酸氢钠
E.全血
参考答案：A
－Mum, must I stay there the whole day?
－No, you__________. You__________ come back after lunch, of you like.
A. mustn’t; can B. needn’t; must C. needn’t; may
哪些物品不能夹入行包托运？
