流体流经一管道时、其流量越大、流速越低。（）
参考答案：错
How I wish I could sleep longer! However, I had to get up as soon as the alarm clock _________.
A. ran off B. went off C. took off
四季平脉中夏季应为（）
A.微毛
B.微石
C.微软
D.微弦
E.微钩
