第22题: [单项选择]What does the man say about the item he is sending A. It is expensive. B. It is insured. C. It is breakable. 参考答案:C 答案解析:[听力原文]
M: Hello, I need to send this package to London as soon as possible.
W: All right. We can s
第23题: [单项选择]2:3:1混合液的组成是() A. 2份5%~10%葡萄糖液,3份生理盐水,1份4%碳酸氢钠溶液 B. 2份生理盐水,3份5%~10%葡萄糖液,1份碳酸氢钠溶液 C. 3份生理盐水,2份5%~10%葡萄糖液,1份碳酸氢钠溶液 D. 2份生理盐水,3份5%~10%葡萄糖液,1份11.2%乳酸钠溶液 E. 2份生理盐水,3份5%~10%葡萄糖液,1份1.4%碳酸氢钠溶液 参考答案:E