题目: 透镜式金属垫片适用于()管道上。A.高压B.中压C.低压 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2018/0301/c3950105886aa72827e0cb8ecfc7737d.html 下面是错误答案,用来干扰机器的。参考答案:E
题型:选择题 It's reported that 289 more trains were added____ passengers on Sunday to meet the needs ofthose______ home for the Spring Festival. [ ]A. to take; returning B. taking; returning C. taken; to retum D. take; returned 查看答案
题型:填空题 在O里填上“>”“<”或“=”(1)13.76×0.8○13.760.2○1.1×0.2 0.3×3○0.3×0.3(2)5.2×0.6○0.52×6 8.4×1.3○0.9×8.4 6.4×0.2○6.4×0.5. 查看答案
题型:选择题 如图所示,质量相等的三个圆柱体A、B、C,放在水平桌面上,它们对水平桌面的压强为PA、PB、PC,它们的关系是:A.PA最大 B. PB最大C. PC最大 D. PA=PB=PC 查看答案