A.He can't see very well.B.He's not feeling well.C.His eye doesn't hurt very much.D.Hi
A. He can't see very well.
B. He's not feeling well.
C. His eye doesn't hurt very much.
D. His eye isn't healing very quickly.
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题1~3:某多层砌体结构房屋中的钢筋混凝土挑梁,置于丁字形截面(带翼墙)的墙体中,墙端部设有240mm×240mm的构造柱,局部剖面如图2-16所示。挑梁截面b×hb=240mm×400mm,墙体厚度为240mm。作用于挑梁上的静荷载标准值为Fk=5kN,静荷载标准值g1k=10kN/m,g2k=12kN/m,活荷载标准值q1k=8kN/m,q2k=6kN/m,挑梁自重标准值为2.4kN/m,墙体自重标准值为5.24kN/m2。砌体采用MU10烧结普通砖、M5混合砂浆砌筑,砌体施工质量控制等级为B级。
试问,二层挑梁在计算倾覆点截面的弯矩设计值(kN.m),与下列何项数值最为接近? 提示:按由活荷载效应控制的组合进行计算。
A. 60
B. 64
C. 68
D. 74
确诊首选下列哪项检查
A. 胸X线片
B. 痰细菌培养+药敏
C. 纤维支气管镜
D. 胸CT
该病人在喘息症状得到控制后,为预防喘息发作,应使用下列哪项治疗办法
A. 长期应用β2受体激动剂气雾吸入
B. 长期口服β2受体激动剂
C. 长期使用抗胆碱能药物
D. 激素气雾剂长期吸入
A.Customer and clerk.B.Professor and student.C.Boss and employee.D.Lawyer and client.
A. Customer and clerk.
B. Professor and student.
C. Boss and employee.
D. Lawyer and client.