患儿女，4个月。咳嗽、喘憋4天。查体：体温37℃，呼吸70次/分，有明显的鼻扇及三凹征，口唇周围发绀，两肺布满喘鸣音，底部有少许细湿啰音，胸部X线可见肺纹理增强，小片阴影及肺气肿。本病例诊断最大的可能是（）

A.金葡菌肺炎

B.革兰阴性杆菌肺炎

C.肺炎支原体肺炎

D.腺病毒肺炎

E.呼吸道合胞病毒肺炎

补全对话。根据语境，用恰当的语言完成下面的对话。

A: Hello, Gina!

B: Hello, Tom!

A: You have a guitar.    1   .

B: Yes, I can. Music is my favorite lesson because I think it's interesting.

A:    2   .

B: I join the music club. And I also like science, so I join the science club, too. What about you?

A:    3   . I can learn to swim in the swimming club.

B: When do you usually have swimming lessons?

A: Every Sunday afternoon. That's my favorite day.    4   .

B: Friday.

A:    5   .

B: Because I have art on Friday. I like art best.

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