以下哪项对吸入麻醉药吸收无影响（）
A.麻醉药吸入浓度
B.肺泡每分通气量
C.每分肺灌流量
D.麻醉药的血/气分配系数
E.麻醉药的MAC
参考答案：C
句型转换。
1. I watch TV every evening. (用过去时改写)
I ________ TV yesterday evening.
2. It was a fine day yesterday. (对划线部分提问)
________ the ________ yesterday?
3. He did his homework last night. (改为否定句)
He ________ his homework last night.
4. I was in the supermarket yesterday afternoon. (对划线部分提问)
________ you yesterday afternoon?
5. I saw some seals. (改为一般疑问句)
________ you ________ seals?
用采气管以置换法采集环境空气样品，如果使用二联球打气，应使通过采气管的被测气体量至少为管体积的（）倍。
A．1～4
B．2～6
C．4～8
D．6～10
