题目: 压缩空气可以用于制造______,也可以作为化学试验的材料。A.氢气B.氧气C.乙炔D.蒸汽 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/1224/eb3d88e3ee5cbb2aec0742761d3e476d.html 下面是错误答案,用来干扰机器的。参考答案:B
题型:选择题 — Have you seen Shirley since she moved away?— Yes. I’ve seen her several times. She comes back to visit us ______.A.at any moment B.from time to timeC.in no timeD.sooner or later 查看答案
题型:单项选择题 某建筑物的建筑面积5000m2,坐落的土地面积为2000m2,土地价格1500元/m2,用成本法测算出的该建筑物的重建价格为1600元/m2,市场上该类房地产的正常房地价格为1800元/m2。该建筑物的现值是()。A.1000元/m2B.800元/m2C.1200元/m2D.900元/m2 查看答案