题目内容
竖向承载力设计值R为______。
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A．When they're unable to control the person's behavior.B．When the causes of the behavi
听力原文：M: One of the most common questions we ask about people's behavior. is why. Why does she say this？ Why does he do that？ Sometimes the reason is obvious. For example, someone is driving down the street, the light turns red, and he stops, why？
W: Because he has to, legally I mean.
M: Exactly! In this case the reason is obvious, so we usually don't question it. But when the reason is not so obvious and especially when the behavior. could have negative consequences, we're more likely to feel a need to explain the causes of the behavior. Social psychologists have a term for this, for the process of explaining the causes of behavior. It's called causal attribution. And one theory suggests there's a pattern in the way we go about attributing causes to people's behavior. According to this theory, there are two categories of reasons: internal factors and external factors. Again, Lisa, say you're driving down the road and all of a sudden some guy turns into the lane right in front of you, and you have to slam on your brake to avoid an accident. How do you react？
W: I'll probably get very angry.
M: Because...
W: Well, he's not paying attention; he's a bad driver.
M: So you automatically attribute the driver's behavior. to an internal factor. He himself is to blame because he is careless.
W: So if I said it was because of heavy traffic or something, I'd be attributing his behavior. to an external factor, something beyond his control.
M: Good. Now how will you explain your own negative behavior？
W: I should blame external factors.
M: That's right.
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10层框架-剪力墙结构，抗震设防烈度为8度，Ⅰ类场地，设计地震分组为第二组，首层层高6m，二层层高4.5m，三至十层层高3.6m，总高度39.3m。质量和刚度沿高度分布比较均匀，各楼层重力荷载代表值Gi如图所示。各楼层框架的D值及剪力墙等效刚度如表1所列。采用侧移法协同工作计算在连续均布荷载作用下结构假想顶点位移uT=φuqH4/100EIw。并已知当结构刚度特征值γ=1.2时位移系数φu=8.070
采用底部剪力法计算求得结构底部总水平地震作用标准值，下列______项最接近。
当该五跨一连桥面作用的汽车制动力为250kN时，3号墩承受的水平力最接近的数值是______。
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