有密集建筑群的城市市区中的某房屋，丙类建筑，地上28层，地下1_爱下问搜题

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问题单项选择题 A3型题

有密集建筑群的城市市区中的某房屋，丙类建筑，地上28层，地下1层，为一般钢筋混凝土框架一核心筒高层建筑，抗震设防烈度为7度，该建筑质量沿高度比较均匀，平面为切角三角形，如图5～23所示。设计使用年限为50年。

假定风荷载沿高度呈倒三角形分布，地面处为零，屋顶处风荷载设计值q＝134.7kN／m，如图5-25所示，地下室混凝土剪变模量与折算受剪截面面积乘积GA＝19.76×10kN，地上1层GA＝17.17×10kN。试问，风荷载在该建筑结构计算模型的嵌固端产生的倾覆力矩设计值（kN·m），与下列何项数值最为接近？提示：侧向刚度比可近似按楼层等效剪切刚度比计算（）。

A.260779

B.347706

C.368449

D.389708

答案

参考答案：C

单项选择题

淫羊藿的主要化学成分是（）

A．黄酮类

B．氨基酸

C．生物碱

D．木脂素

E．挥发油

完形填空

Tales of the supernatural are common in all parts of Britain. In particular, there was (and perhaps still is) a belief in fairies(仙女). Not all of these 21 are the friendly, people-loving characters that appear in Disney films, and in some folktales they are 22 and cause much human suffering. This is true in the tales about the Changeling. These tell the story of a mother whose baby grows 23 and pale and has changed so much that it is almost 24 to the parents. It was then 25 that the fairies had come and stolen the baby away and 26 the human baby with a fairy Changeling. There were many ways to prevent this from happening: hanging a knife over the baby’s head while he slept or covering him with some of his father’s clothes were just two of the recommended 27 . However, hope was not lost even if the baby had been 28 . In those cases there was often a way to get the 29 baby back. You could 30 the Changeling on the fire--then it would rise up the chimney, and you would hear the sound of fairies’ laughter and soon after you would find your own child safe and sound nearby.

D．extraordinary

A．uncomfortable

B．unbelievable

C．unacceptable

D．unrecognizable