【单选题】请交警来源,模拟操作给儿童介绍交通安全知识,这体现了( )。
【判断题】Most disagreements among economists stem from normative issues.
【单选题】下列与元素和化合物有关的说法中,正确的是 [ ]
B.
生物体内携带氨基酸进入核糖体的有机物一定不含S元素
C.
微量元素在生物体内含量很低,但是却不可缺少,如叶绿素的组成就离不开Mg元素
D.
细胞中的无机盐大多数以化合物形式存在,如CaCO 3 构成骨骼、牙齿
【判断题】From this article of Chapter 7, we can come to the conclusion that it is easy to eliminate all disagreements among historians.
【单选题】死亡圣器虽然被人们认为是传说,但却是真实存在的,下列哪个选项中的事物与之情况相似?
【判断题】From this article, we can come to the conclusion that it is easy to eliminate all disagreements among historians.
【单选题】Disagreements among engineers were ____ to the plan.
【单选题】Channel ________ refers to the disagreements among marketing channel members on goals, roles, and rewards.