搜题请搜索小程序“爱下问搜题”
问题 单项选择题 B1型题

金黄色葡萄球菌检验可用（）。

A.亚碲酸钾一新生霉素营养肉汤

B.7.5％氯化钠肉汤

C.3.5％氯化钠肉汤

D.GN增菌液

E.EC肉汤

答案

参考答案：B

单项选择题

Speaker A: Mr. Carson, Dr. Brown will have to change your appointment to tomorrow at the same time. He’s still waiting for a flight out of New York.
Speaker B: （）。

A. Oh, well, thank you for calling. I’ll see him in his office then.

B. I’m sorry to hear that his flight is delayed.

C. But are you sure he will be in his office at that time

D. Yes. That’s quite understandable.
查看答案
问答题 论述题

简述上门推销的工作要求。
查看答案