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【单选题】
以下对于板送风的特点,叙述错误的是( )。A.
通常采用下回风
B.
温度场和速度场均匀
C.
送风温差大
D.
适用于高精度空调或净化空 调
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反馈参考答案：
举一反三
【多选题】以下关于允许开裂的部分预应力混凝土受弯构件应力计算的正确说法是（ ）
A.
预应力钢筋的应变包括有效预应变、消压应变和消压后的应变增量
B.
受压区混凝土边缘压应力从拉应变逐渐增大到压应变
C.
普通钢筋的应变从零增大到相应的拉应变
D.
预应力钢筋和普通钢筋的应力均可以使用应变与弹性模量确定
【简答题】A．The man was driving too fast. B．The man did not pay attention to the traffic lights. C．The woman had jumped the traffic lights. D．The woman was talking while driving.
【单选题】—What if we don't follow the traffic lights or the traffic police? —It _______ dangerous. [ ]
A.
has
B.
could be
C.
can have
D.
could have
【多选题】钢筋混凝土受弯构件的第二工作阶段又可称为开裂后弹性阶段，对于第二工作阶段的计算，一般有下面（ ）三项基本假定
A.
平截面假定
B.
弹性体假定
C.
受拉区混凝土完全不能承受拉应力
D.
以上都不对
【单选题】The driver ____at the crossroads as the traffic lights flashed red.
A.
pulled off
B.
pulled up
C.
pulled round
D.
pulled over
【单选题】What did the man tell the woman?
A.
The shop was closed.
B.
The traffic lights were red.
C.
The driver was drunk.
【单选题】The traffic lights were red when the motorist moved to them. To the surprise of this passenger the car did not slow down. Suddenly the passenger was thrown forward in the car as the driver stopped it ...
A.
to see red traffic lights
B.
not to notice the traffic lights
C.
to be color blind
D.
not to see the red traffic lights
【简答题】IX. When you are in England , you must be very careful in the street because the traffic drives on the left. You must look at the right first and then the left, then you can cross the street. If the t...
【简答题】IX. When you are in England , you must be very careful in the street because the traffic drives on the left. You must look at the right first and then the left, then you can cross the street. If the t...
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