第1题: [单项选择]What will the woman do [A] Study at home. [B] Go swimming. [C] Clean her house. 参考答案:A 答案解析:[听力原文] M:Um ... what do you plan to do this weekend F:Well ... I have a lot of homework and I
第2题: [单项选择]信息技术简称为() A. IT B. IC C. IQ D. IP 参考答案:A
第23题: [单项选择]兰州某办公楼(形体系数为0.28的外墙),按照《公共建筑节能设计标准》的规定进行改造,加贴膨胀聚苯板,原外墙为360mm黏土多孔砖[λ=0.58W/(m·K)],内衬灰20mm[λ=0.87W/(m·K)],则外墙所贴的膨胀聚苯板[λ=0.05W/(m·K)]的厚度至少应选下列何值 A. 40mm B. 50mm C. 60mm D. 70mm 参考答案:B 答案解析:[解析] 查《公建节能》,兰州属于寒冷地区,体形系数0.28的外墙传热系数K=0.60W/(m2·K),1/8.7+0.36/0.58+0.02/0.87+δ/0.05+1/23