单词释义：选出一个与句中划线部分意思相同或相近的答案。

1. Is your mother at home now?

A. out

B. away

C. on

D. in

2. The school is not far from my home.

A. far from

B. near

C. not near

D. away

3. Lucy is from Australia.

A. are from

B. come from

C. comes from

D. be from

4. I'd like a bottle of milk and some cakes for breakfast.

A. like

B. want

C. wants

D. have

5. What do your parents do?

A. father

B. father or mother

C. mother

D. father and mother.

自体活性物质包括（）

A.5-羟色胺

B.血小板活化因子

C.前列腺素

D.血管紧张素

E.利尿钠肽