钢的正火冷却速度比退火冷却速度（）。
A.慢
B.快
C.相同
D.无法判定
参考答案：B
______up the recovery process, the government declared a public health emergency in the Gulf Coast areas hit by the hurricane.
A．To speed
B．Speeding
C．Speed
D．Having sped
单唇形花冠
