茚是一种无色的()液体,不溶于水,易溶于苯等有机溶剂。
参考答案:油状
--When do you have __________to help me with my English? I am reading the Encyclopaedia Britannica, but it is too difficult for me!
--You can come to me ___________!
A.time; some time
B.times; sometime
C.time; anytime
D.times; anytime
废旧汽车的回收解体,涉及的服务工作主要有:()
A、废旧汽车回收、兑现国家政策
B、废旧汽车拆卸、废旧零件分类、旧件重复利用
C、废弃物资移送
D、相关的保管物流服务