下列不是呼吸衰竭伴有二氧化碳潴留时的变化的是（）
A.脑血流量降低
B.呼吸性酸中毒
C.肾脏保留碳酸氢盐
D.神志模糊
E.颅内压增高
参考答案：A
—I can't move the bookcase. Could you give me a hand?
—_____. [ ]
A. With pleasure
B. It's my pleasure
C. Not at all
D. Never mind
— ___________________________
— It's October 1st.[ ]
A. What day is it?
B. When's Children's Day?
C. What's the date?
