根据句意及首字母提示完成句子。

1. First, put the popcorn into the popcorn p_______.      

2. F_______, drink it.

3. P_______ the water into the cup.

4. People often eat w_______ in summer.

5. If you want to eat a banana, you should p_______ it first.

6. Y_______ is made form milk. It tastes delicious.

7.On thanksgiving day, people in the western country usually eat big birds such as t_______.  

8. Put the lettuce on a s_______ of bread.

下列关于转铁蛋白结构描述正确的是（）

A.分子量79.5kD

B.含糖量18%

C.由4个亚基组成

D.为双链糖蛋白

E.含有180个氨基酸残基