【判断题】在测定原油性质之前,先测定含水量、含盐量和机械杂质,若原油含水量大于0.5%,则应先脱水
【简答题】We ______________ (meet) at the airport tomorrow morning. 2. By the end of this year I ______________ (save) $1,000. 3. Be sure to come at eight. I ______________ (expect) you. 4. Did you know whether...
【单选题】Did you know whether Mary ______________?
【简答题】Did you know whether Mary _______ (come)?
【判断题】对比关贸总协定,世界贸易组织的管辖范围明显扩大。
【单选题】按照物流作用分类,以下哪一项不属于此分类范围()。