题型:选择题 It is a tradition for the Chinese to ______ about the bush, which sometimes makes foreignerspuzzle or misunderstand what you are saying. [ ]A. go B. eat C. beat D. wander 查看答案
题型:选择题 在1L密闭容器中加入2molA和1molB,在一定温度下发生下列反应:2A(g)+B(g) 3C(g)+D(g),达到平衡时容器内D的百分含量为a%。若保持容器体积和温度不变,分别通入下列几组物质达到平衡时容器内D的百分含量也为a%的是( )A.3molC和1molDB. 4molC和1molD C.2molA、1molB和3molCD.1.9molA、0.95molB、0.15molC和 0.05molD 查看答案