某高层框架-剪力墙结构底层内柱如图所示,其横截面为600mm×1650mm,柱的混凝

题型:单项选择题

问题:

某高层框架-剪力墙结构底层内柱如图所示,其横截面为600mm×1650mm,柱的混凝土强度等级为C60,相应于作用的标准组合时的柱轴力Fk=16000kN,弯矩Mk=200kN·m,柱网尺寸为7m×9.45m,采用平板式筏形基础,作用的标准组合下地基净反力为242kPa。基本组合由永久作用控制。筏板的混凝土强度等级为C30,筏板厚为1.2m,柱下局部板厚为1.8m。取as=50mm。

筏板变厚度处,筏板抗冲切混凝土剪应力设计值(kPa),与下列何项数值最为接近?()

A.968

B.1001

C.1380

D.1427

考点:二级注册结构工程师二级结构师专业知识一、二级注册结构工程师专业部分
题型:单项选择题

选词填空。

     轻易     容易

1.三年级的学生做一年级的算术题,是很(        )的。 

2.有圆圆大头的鲸,却常常(        )地超过了尖尖头的海轮。

     研究     研制

3.飞机设计师(        )出了具有各种优良性能的飞机。 

4.科学家认真(        )了鸟类飞行的原理。

题型:单项选择题

女性,50岁,2周来不规则发冷,发热伴有明显乏力。以往除有轻度高血压外,再无有关心肺方面的症状,也未发现过明显杂音。2年来有反复泌尿系感染病史。检查:贫血外貌,心率100次/min,律齐,血压130/60mmHg,第二心音减弱,胸骨左缘第3肋间有一舒张期叹气样杂音,双侧结膜下有出血点。

上题中所述及的病例,因诊断不明,未能得到及时合理治疗,于病程第13周末,突然出现右侧偏瘫伴失语。对于本患者偏瘫的原因最可能为()

A.心脏内壁血栓脱落,形成脑栓塞

B.细菌性赘生物脱落,形成脑栓塞

C.脑栓塞形成

D.脑出血

E.脑血管痉挛

题型:单项选择题

静停期满后,如强度仍较低,可带模入箱养护,( )。

A.试件入箱后,应使水温在15min内恢复到沸点。

B.取出试件后静置1h±10min。

C.试件在沸水中养护4h±15min;整个养护期,水温保持沸腾。

D.试件于龄期为29h±15min时进行试压,其强度即为fcu,早

E.试件于龄期为29h±15min时进行试压,其强度即为fcu,28

题型:单项选择题

About a week ago, when I was playing basketball at our local park, I noticed a small group of boys picking on a smaller, skinnier boy. They were (21) him names and even pushed him to the ground and kicked dirt in his face. (22) I saw that, I walked over to the group.
I stepped (23) them and the smaller boy, and asked them politely what this boy had done worthy of (24) they were doing to him. One of the boys replied, "He’s weird. " At that, I asked one of the boys if he thought his friend was weird, and the (25) was "No." So, I asked another boy what the word "weird" (26) , and he said, "Different." That was my cue (暗示). I told them that everyone is (27) , and that they all looked just as different to the other boy as he did to them. They all stood (28) for a moment, and then the most amazing thing happened. One of the boys helped the small boy off the ground and then said sorry to him. He (29) to let him play with them.
I thanked the boy for being so (30) As I looked around, I realized that there were dozens of other people at the park (31) no one else had stopped to help this boy. I felt happy that the boy was p enough to stand up against his friends to (32) someone in need, but I felt sad that (33) else had even taken a second look.
I hope that my action helped them (34) that they could have made a difference with a little (35) , and maybe next time they will be the ones who choose to help.

Ⅱ. 完形填空

/Close
通过下面短文,掌握其大意,然后再各题所给的四个选项(A、B、C和D)中选出一个最佳选项。

A.refused

B.expected

C.offered

D.prepared

题型:单项选择题

通过山区危险路段,尤其是通过经常发生塌方、泥石流的山区地段,应谨慎驾驶,避免停车。

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