Read and choose. (根据上下文，找出适当的句子写在横线上)    

Amy: Where did you go on this holiday？    

Bill: I went to Harbin with my parents.    

Amy: 1_____

Bill: We went there by train.

Amy: 2_____

Bill: I went skiing and went ice-skating.

Amy: 3_____

Bill: My mother took many pictures and my father visited his old  friends.

Amy: What did you eat？

Bill: 4_____

Amy: 5_____

Bill: It was fun.

A. What did you do?            

B. I ate good food.

C. How did you go there?

D. How about your parents?

E. How did feel?

对治疗流脑抗生素的描述错误的是（）

A.青霉素容易透过血脑屏障

B.氯霉素因对骨髓有抑制作用，一般不首选

C.为保证疗效，可选用头孢噻肟

D.为降低费用，可选用磺胺药

E.青霉素为目前国内外治疗流脑的高效、低毒、价廉的抗生素