【单选题】 If we ______enough time, we would have carried out the plan.
【判断题】1834在拣货过程中,如发现货品不多时应立刻打差异单。
【单选题】We have carried out cooperation and exchanges in the fields of politics , economics , education and culture .
【单选题】____you, we couldn’t have carried out the plan.
【判断题】在拣货过程中,如发现货品不多时应立刻打差异单。
【单选题】药物制剂中,能够用于诊断、缓解、治愈或预防疾病的化学物质一般被称为( )。