肺主一身之气取决于
A．肺生成宗气 B．肺宣发卫气 C．肺调节全身气机 D．肺的呼吸功能
参考答案：D
用所给单词的适当形式填空。
1. The boy is doing ______________ (he) homework.
2. How many ______________ (ticket) do you want to buy?
3. I am ______________ (tall) than my little brother.
4. Li Ming ______________ (have) two pairs of socks.
5. She is ______________ (get) ready for bed.
成年男性细胞外液约占体重的（）
A．10％
B．20％
C．30％
D．40％
E．50％
