问题 单项选择题

位于9度抗震设防区、设计基本地震加速度值为0.40g,设计地震分组为第一组,建筑场地属Ⅱ类的办公大楼,地上10层,高40m的钢筋混凝土框架结构。剖面和平面见图6-33所示。该楼层顶为上人屋面。通过计算,已知每层楼面的永久荷载标准值共12500kN,每层楼面的活荷载标准值共2100kN;屋面的永久荷载标准值共13050kN,屋面的活荷载标准值共2100kN。经动力分析,考虑了填充墙的刚度后的结构基本自振周期T1为0.9s。该楼的结构布置、侧向刚度及质量等均对称、规则、均匀、属规则结构。

 

第8层的竖向地震作用标准值Fv8k最接近于()kN。

A.3048

B.3303

C.3751

D.3985

答案

参考答案:A

解析:

完形填空
阅读下面短文,从短文后各题所给的四个选项(A, B, C, D)中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。
As a general rule, all forms of activity lead to boredom when they are performed on a routine basis. As a matter of fact, we can see this ________at work in people of all _________. For example, on Christmas morning, children are excited about _______with their new toys. But their ________soon wear off and by January those_________toys can be found put away in the basement. The world is full of_________stamp albums and unfinished models, each standing as a monument to someone’s _________interest. When parents bring home a pet, their child________bathes it and brushes its fur. Within a short time, however, the_______of caring the animal is handed over to the parents. Adolescent enter high school with great_______but soon looking forward to________. The same is true of the young adults going to the college. And then, how many_________, who complain about the long drives to work, _________drove for hours at a time when they first_________  their drivers licenses? Before people retire, they usually  _______to do a lot of_____things, which never had _____while working. But ________after retirement, the golfing, the fishing , the reading and all of the other pastimes become as boring as the jobs they _______. And, like the child in January, they go searching for new_________.
小题1:
A.principleB.habitC.wayD.power
小题2:
A.partiesB.racesC.countriesD.ages
小题3:
A.workingB.livingC.playingD.going
小题4:
A.confidenceB.interestC.anxietyD.sorrow
小题5:
A.sameB.extraC.funnyD.expensive
小题6:
A.well-organizedB.colorfully-printedC.newly-collectedD.half-filled
小题7:
A.broadB.passingC.differentD.main
小题8:
A.silentlyB.impatiently C.gladlyD.worriedly
小题9:
A.promiseB.burdenC.rightD.game
小题10:
A.courageB.calmness C.confusion D.excitement
小题11:
A.graduationB.independenceC.responsibilityD.success
小题12:
A.childrenB.studentsC.adults D.retirees
小题13:
A.carefullyB.eagerlyC.nervously D.bravely
小题14:
A.requiredB.obtainedC.noticed D.discovered
小题15:
A.needB.learnC.startD.plan
小题16:
A.greatB.strangeC.difficult D.correct
小题17:
A.timeB.moneyC.skills D.knowledge
小题18:
A.onlyB.wellC.even D.soon
小题19:
A.lostB.chooseC.left D.quit
小题20:
A.petsB.toysC.friends D.colleagues
单项选择题