【单选题】—Why do you always lie to our mother you love her cooking? —It's only a white lie, so _______.
【简答题】在摆动导杆机构中,若以曲柄为原动件时,该机构的压力角为 ( ) 度,其传动角为( ) 度。
【判断题】出口换汇成本是出口总成本除以出口外汇净收入,该净收入按CIF价格计算。
【多选题】出口换汇成本是()。
A.
指某商品出口净收入一个单位的外汇所需要的人民币成本
B.
等于出口总成本(人民币)与出口外汇净收入(外汇)之比
D.
与外汇牌价进行比较能直接反映出商品出口是否赢利
【单选题】I' m afraid this painting is not by Picasso. It's only a copy and so it's
【单选题】I'm afraid this painting is not by Picasso. It's only a copy, so it's ______ . [ ]
【单选题】I'm afraid this painting is not by Picasso. It's only a copy and so it's______.
【单选题】It is not far from my house to the school. It's only a ______ walk.
【单选题】—Is this a(n) ________ painting by Picasso? —No. It's only a good copy. [ ]
【判断题】出口换汇成本是指某商品出口净收入一个单位的外汇所需要的人民币成本,如换汇成本高于银行牌价,说明出口人民币亏损。( )