【简答题】一混凝土梁,截面:150x300,设有4根直径10的纵筋和直径8的箍筋,箍筋间距150,材料C30混凝土,钢筋HPB235,求抗扭承载力。截面受扭塑性抗拒矩WT=( )x10^6 mm^3(保留2位小数),Acor=( )x10^4 mm^2(保留2位小数),Ucor=( ) mm(保留2位小数),抗扭纵筋与箍筋的强度比=( ),抗扭承载力=( )kN-m
【简答题】书面表达(计15分) 请以“Should friends be different or the same?'为论题,谈谈你的观点,并介绍自己和你一好朋友间的相同之处与不同之处。 要求:1.词数70-80左右。 2.文章须包含所有内容要点,可适当加入细节和适当发挥,使其通顺、连贯;
【单选题】Melissa Poe
Melissa Poe was 9 years old when she (31) a campaign for a cleaner environment by writing a letter to the then President Bush. Through her own efforts, her letter was reproduced on over 2...
【单选题】Melissa Poe
Melissa Poe was 9 years old when she (31) a campaign for a cleaner environment by writing a letter to the then President Bush. Through her own efforts, her letter was reproduced on over 2...
【单选题】Melissa Poe
Melissa Poe was 9 years old when she (31) a campaign for a cleaner environment by writing a letter to the then President Bush. Through her own efforts, her letter was reproduced on over 2...
【单选题】Melissa Poe
Melissa Poe was 9 years old when she (31) a campaign for a cleaner environment by writing a letter to the then President Bush. Through her own efforts, her letter was reproduced on over 2...
【单选题】A项目的原始投资额为800万元,且建设期为零,经营期为15年,每年可获净现金流量80万元,则该项目的年金现值系数为( )。
【单选题】Melissa Poe
Melissa Poe was 9 years old when she (31) a campaign for a cleaner environment by writing a letter to the then President Bush. Through her own efforts, her letter was reproduced on over 2...
【简答题】Melissa Poe
Melissa Poe was 9 years old when she (31) a campaign for a cleaner environment by writing a letter to the then President Bush. Through her own efforts, her letter was reproduced on over 2...
【单选题】艺术史上,对静画的发展产生过重大影响的画家有:卡拉瓦乔、柯尔内斯、夏尔丹、马奈和?