【单选题】下列公式中不正确的是( )。
A.
直接出口产出物的影子价格=离岸价×影子汇率+贸易费用+国内运杂费
【单选题】使用问卷调查分析法所收集到的工作信息,其质量取决于以下几个方面的因素,除了( )。
【单选题】一束()通过有色溶液时,溶液的吸光度与溶液浓度和液层厚度的乘积成正比。
【单选题】Susan's Healthy Gourmet can offer you the service of ______.
A.
delivering meals to your home
B.
cooking meals for you at your kitchen
C.
making an individual home-made meals menu
D.
accommodating institutional-style. dishes
【判断题】密封容积的变化是容积式泵能完成吸油和压油的根本原因之一。
【单选题】— Have you got any particular plans for the coming holiday? — Yes. _____, I'm going to visit some homes for the old in the city. [ ]
【单选题】______ Lily ______ Lucy may go out for a walk with you because one of them must do the dishes at home. [ ]