与50S亚基合成,抑制转肽作用
A.头孢曲松B.红霉素C.链霉素D.多粘菌素E.四环素
参考答案:B
任务型阅读。
The Browns are from the United Kingdom. They live in New York. Mr Brown is a doctor. Mrs Brown doesn't work. (4)She has a lot of housework to do every day. They have two sons. Bob is ten years old
and Tom is eight years old. They are students. (5)Bob doesn't want to be a doctor but Tom does. Bob
wants to be a pilot (飞行员). Their daughter, Molly, doesn't go to the school. She is only four years old. Molly wants to be a teacher.
任务1: 根据短文内容,回答下列问题。
1. Where are the Browns from?_____________________________________?
2. Where do the Browns live now?___________________________________?
3. How many children do Mr and Mrs Brown have?_______________________________?
任务2: 将文中划线的句子翻译成汉语。
4. ______________________________________________________________
5. ______________________________________________________________
服务营销中的定价策略主要包括()
A、水准
B、折扣及佣金
C、付款条件
D、顾客的认知价值
E、质量/定价
F、差异化
G、售后服务