题型:单项选择题 某办公楼底层局部承重横墙如图所示,刚性方案,墙体厚240mm,采用MU10烧结普通砖、M5混合砂浆。砌体施工质量控制等级为B级。若该横墙有窗洞900mm×900mm,试问,有洞口墙允许高厚比的修正系数μ2,与下列何项数值最接近().A.0.84B.1.0C.1.2D.0.9 查看答案
题型:选择题 ____ to New York, her father has not heard from her.A.Because she wentB.After she wentC.When she wentD.Since she went 查看答案
题型:单项选择题 8个月患儿入院,诊断急性支气管肺炎,血气分析结果:pH 7.35,PaO2 6kPa(45mmHg),PaCO2 7.32kPa(55mmHg),血气分析诊断考虑为A.低氧血症B.高碳酸血症C.I型呼衰D.Ⅱ型呼衰E.失代偿性呼吸性酸中毒 查看答案