反映肺泡毛细血管膜弥散能力的有效指标是（）。
A.血氧饱和度
B.动脉血氧分压
C.氧含量
D.氧合指数
E.肺泡-动脉血氧分压差
参考答案：E
阅读短文，根据首字母提示用合适的单词填空。（共10题，每小题1分，计10分）
Hi! My小题1:n______ is Linda. I am 12 years小题2:o_______. I 小题3:s________ at No. 2 Middle School. I go to school 小题4:f________ Monday to Friday. My favorite day is 小题5:F________. We have art and PE lessons and we have beef for lunch. Beef is my favorite 小题6:f__________. My favorite小题7:t________ is Miss White. She is our 小题8:E________ teacher. She has 小题9:l________ hair. She loves小题10:m__________. She often sings for us.
不同液体对不同固体的润湿或不润湿程度是（）的。
A、相同
B、不同
C、相近
D、相反
