除病毒以外，生物都是由____构成的．

A. I had a race with Dad and Max.

B. What a dream!

C. I had an interesting dream last night.

D. What happened then?

E. I drank it and then I could run very fast.

Wu Yifan: Mum, ____

Mum: What did you dream about?

Wu Yifan:  ____, but I couldn't run fast.

Mum:  ____

Wu Yifan: Robin gave me some water. ____Suddenly I tripped and fell. Then l woke up.

Mum: ____

结结实实    ____、____、____

若隐若现    ____、____、____

成千上万    ____、____、____

欣欣向荣    ____、____、____

保定三宝“铁球、面酱、春不老”闻名于世，其中面酱制作过程使用的生物技术是（    ）

循环小数18.4753753…的循环节是____．