【判断题】微正则系综(NVE)有确定的粒子数,体积和总能量。
【单选题】According to the passage, why did steel replace iron in the construction of skyscrapers?
A.
Steel is stronger than iron and resists fatigue better.
B.
Steel allows architects more freedom of expression.
C.
Steel is more available and less expensive than iron.
D.
Steel does not rust, so it lasts longer than iron does.
【单选题】when a bar of iron attracts other pieces of iron,it ____a magnet,and thus the attraction is called mangnetism.
【判断题】一致性表明,样本容量越大,由样本得到的估计量越接近于被估计的总体参数。
【判断题】对流换热是热对流和导热两种基本传热方式共同作用的结果。
【判断题】行业供应商的集中程度越高,其供应商的讨价还价能力就越强。
【单选题】某女不孕,连续3个月每日清晨测体温,均呈单相型,则提示
【单选题】李先生,29岁。股骨干骨折,入院后行小夹板固定、骨牵引治疗。护理注意点中,错误的一项是( )
【简答题】密集构成 (3选1) 1. 请以某种物品为原造型,进行几何语言的抽象解构,绘制一张密集构成; 2. 黑色颜料于卡纸绘制,制作工整精致,关注画面的黑白效果和设计感; 3. 尺幅:30×30cm