【单选题】Arrows in the flowchart is used for the purpose of ______.( )
A.
to decide the order of steps
【单选题】______ is used for lifting cargo.
【单选题】新型冠状病毒按照病原微生物危害程度分类,属于第( )类病原微生物
【单选题】In the balance of payments, the statistical discrepancy is used to:
A.
ensure that the sum of all debits matches the sum of all credits.
B.
ensure that the value of imports equals the value of exports.
C.
show how a balance-of-payments deficit is funde
D.
obtain an accurate account of a balance-of-payments surplus.
【判断题】( ) 23. Commonization involves proper nouns used as common words.
【简答题】病原微生物按照致病性分为( )类。高致病性禽流感病毒按照危害程度,属于第( )类病原微生物,对其进行的实验操作应该在( )级生物安全防护实验室进行。
【单选题】M公司2001年年初原材料计划成本为200万元,材料成本差异借方余额为10万元,本期所购材料中50%属发票账单与材料同时抵达,实际成本为50万元,计划成本为45万元; 20%属发票账单先到而货未到,其实际成本为26.8万元,计划成本为23.7万元;剩下的30%属货到而发票账单未到,计划成本为40.9万元,本期发出材料一批,计划成本为45万元,则应结转的差异额为( )万元。