下列国家中,均属东南亚的是[ ]
A.印度、马来西亚、文莱、新加坡
B.印度尼西亚、越南、文莱、缅甸
C.菲律宾、阿富汗、马来西亚、泰国
D.柬埔寨、缅甸、越南、印度
答案:B
39~41 截面尺寸为370mm×740mm的砖柱,计算高度为5.2m,采用MU10黏土实心砖、M7.5水泥砂浆砌筑。
配筋砖砌体的抗压强度设计值fn=3.20N/mm2,体积配筋率ρ=0.250,则该砖柱的轴心受压承载力与()项数值最为接近。
A.522.5kN
B.577.4kN
C.555.6kN
D.527.5kN
—How about ______ in the river with us —Sorry, I can't. My parents often tell me ______ that.
A. swim; don't do B. swim; to doC. swimming; not do D. swimming; not to do