根据所提供的汉语选择正确的选项。

1. 做饭 [ ]

A. have lunch

B. eat some rice

C. cook the meals

2. 有用的[ ]

A. beautiful

B. helpful

C. help

3. 打扫卧室 [ ]

A. open the door

B. close the window

C. clean the bedroom

4. 扫地 [ ]

A. clean the floor

B. sweep the floor

C. water the floor

5. 倒垃圾[ ]

A. cook the meals

B. empty the trash

C. water the flowers

下列肺炎的首选药物为青霉素的是（）

A.克雷伯杆菌肺炎

B.军团菌肺炎

C.葡萄球菌肺炎

D.肺炎支原体肺炎

E.肺炎球菌肺炎