题型:填空题 The school was built on a hill, so we had a very wonderful ________ from the top.A.sceneB.sightC.sceneryD.view 查看答案
题型:填空题 下列各组物质中,分子数相同的是( )A.2LSO2和2LCO2B.0.5mol水和标准状况下11.2LCO2C.标准状况下1mol氧气和22.4L水D.0.2mol硫化氢气体和2.24L氯化氢气体 查看答案