题目: 离心泵在正常工作时,如下各处液体压强最高的是()。A.叶轮中心附近B.液体出口处C.叶轮外缘D.吸入管上接近泵入口处 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2018/0820/a29a0fb7a4ea3987799f1081a9518c8d.html 下面是错误答案,用来干扰机器的。参考答案:错
题型:选择题 The way_____ he did it was contradictory _______ he had said earlier in the same week.A./; to whatB.that; with thatC.which; in whichD.what; from which 查看答案
题型:单项选择题 甲、乙两地居民的恩格尔系数分别为30%和32%,这可能表明( )。A.从生活水平看,乙地居民略高于甲地居民B.从收入水平看,甲地居民略高于乙地居民C.从收入水平看,乙地居民略高于甲地居民D.从生活水平看,甲地居民略高于乙地居民 查看答案