听力原文：Your prices seem a little high.
(5)
A. We offer large orders.
B. We can cut down the cost.
C. We could make them higher.
D. We can lower the price.
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听力原文：How many different models of this car do you offer？
(3)
A. 5 types.
B. 4 percent.
C. 10 gram.
D. 8 meters.
A．They have no interest in the game.B．They are late for the game.C．They are early for
A. They have no interest in the game.
B. They are late for the game.
C. They are early for the game.
D. They are just in time for the game.
已知基底承载力特征值fa=294.11kPa，持力层土为黏性土，考虑地震作用时，基底最大压力 Pmax=308.37kPa，Pmin=150kPa，其基础的地基承载力是否满足要求？______
A. 满足
B. 不满足
公式c(x,y,0)=
中参数U代表()。
A. 排气筒出口处的平均风速，m/s
B. 排气筒出口中心风速，m/s
C. 地面平均风速，m/s
D. 地面10m处的平均风速，m/s
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