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【简答题】
关于钢筋混凝土路面，下列说法正确的是( ) A钢筋混凝土路面是指板内配置有纵横向钢筋(或钢丝)网的混凝土路面 B设置钢筋网的主要目的是增加板的抗弯强度 C钢筋混凝土面层所需的厚度小于素(无筋)混凝土面层厚度 D为使板内应力尽可能分散，宜采用大直径钢筋
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【单选题】Grammar: In Columbus' (哥伦布)days, people_______that the Earth was flat.
A.
believe
B.
believed
【单选题】How did Malcolm X move from basic literacy toward true proficiency?
A.
By repeatedly thinking about his learning strategies.
B.
By repeatedly copying the roots of different words.
C.
By repeatedly reading what he copied from the dictory.
D.
By repeatedly logging some important things.
【单选题】How did Malcolm X move from basic literacy toward true proficiency?
A.
By repeatedly thinking about his learning strategies.
B.
By repeatedly copying the roots of different words.
C.
By repeatedly reading what he copied from the dictionary.
D.
By repeatedly logging some important things.
【单选题】公关接待人员迎接客人上下楼梯时应注意（）
A.
上楼时公关人员在前引路，下楼时客人先下
B.
下楼时公关人员先下，上楼时公关人在前引路
C.
上楼时客人先上，下楼时公关人员先下
D.
上楼时客人先上，下楼时客人先下
【单选题】在图示电路中，已知3DG4的β=30，则有关静态时的IBQ、ICQ、UCEQ的估算值正确的是（）。【图片】
A.
IBQ=258μA,ICQ=8.0mA,UCEQ=4V
B.
IBQ=62.4μA,ICQ=1.9mA,UCEQ=16.2V
C.
IBQ=385μA,ICQ=11.9mA,UCEQ=-3.8V
D.
IBQ=220μA,ICQ=6.6mA,UCEQ=6.8V
【单选题】接待人员迎接客人上下楼梯时应注意 。 ( )
A.
、上楼时接待人员在前引路，下楼时客人先下。
B.
、下楼时接待人员先下，上楼时接待人在前引路。
C.
、上楼时客人先上，下楼时接待人员先下。
D.
、上楼时客人先上，下楼时客人先下。
【简答题】How did Malcolm X move from basic literacy toward true proficiency?
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