悬浮速度
参考答案：
悬浮速度即颗粒所受到的绕流阻力、浮力和重力平衡时的流体速度。此时，颗粒处于悬浮状态。
There are many shows during the Shanghai Expo.Is the UK Pavilion________you want to watch a play?[ ]
A. that
B. where
C. which
D. as
香樟为长沙市市树，芙蓉花为长沙市市花。（ ）
