静定平面桁架的内力计算方法有()
A. 节点法
B. 截面法
C. 联合法
D. 叠加法
E. 微分关系法
计算多跨静定梁时,必须先从基本部分计算,再计算附属部分。()
A. 对
B. 错
Fill in the blanks with the expressions given below.Change the form where necessary. Each expression can be used only once.have a say onmake a racketrun errandsextract...fromcater toscrape bybe destined toemancipate... from1 The amount of oil capable of________the earth is ever decreasing, and we will be officially running out of oil some day.
They sought to_____ the country_____ the old rigid traditions and to open it up to different cultures of the world.