题型:填空题 We can't _________ his mistakes, which were made because he was too careless with his work.A.overcomeB.understandC.tolerateD.recognize 查看答案
题型:填空题 在碳、一氧化碳、二氧化碳、氧气4种物质中,其中一种物质具有的某种性质(特性)是其他3种物质不具有的.依照下例,请你再补充列举3例,填写在空格内.物质与其他3种物质性质的不同点碳常温常压碳是固体,其他三种物质是气体一氧化碳______二氧化碳______氧气______ 查看答案