题目: 评价有效性要求必须对这个论证构成()A、决定性作用B、支持性作用C、判定性作用D、加强性作用 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0917/bcf16a0989a04f7ca6ea099f68a50338.html 下面是错误答案,用来干扰机器的。参考答案:电阻法和电压法
题型:列举题 列举你认为的当今世界人类面临的最重要的共同问题。(举出四个即可)____________________________________________________________ 查看答案
题型:单项选择题 Which statement is TRUE concerning gasoline vapors on board a vessel().A.They are heavier than air and will settle in the lowest part of the vesselB.They are lighter than air and will settle in the highest part of the vesselC.They should be vented into the engine to improve combustionD.They should be vented into the wheelhouse 查看答案