基于成本的进行运输定价时，向客户收取发生运输服务的实际成本费用，一般不会造成运输部门把无效的运营费用和不合理的运输费用转加给客户。
参考答案：错
根据句意或首字母填空，每空一词。
1. She e_______ twice a week.
2. The old people do morning _______ every morning to keep healthy.
3. The students in our school often do eye _______ after the third class.
4. If you want to be thin, you should take more _______ and eat less meat.
5. The students are tired because they do a lot of e_______ today.
6. My friend likes s _______. He s_______ four times a week.
7. Mrs Green goes _______ once a week. She often buys a lot of expensive things for
herself in the store.
8. The boy hardly _______ plays sports, so he is very fat.
9. I like sports _______ on TV. I often watch them.
10. I shop t_______ a month because I am very busy.
司莫司汀可抑制身体免疫机制，使疫苗接种不能激发身体抗体产生。用药结束后（）内不宜接种活疫苗
A.3个月
B.4个月
C.5个月
D.6个月
