【单选题】The date marked on the B/L is the date on which the carrier takes delivery of the goods.( )
【判断题】When the L/C simply stipulates an expiry date without a shipment date, which means these two dates are the same.( )
【单选题】设有商品(商品号,商品名,单价)和销售(商店号,商品号,销售日期,销售数量)表,查询单价最高的商品销售情况,查询结果包括商品号、商品名、销售日期、销售数量和销售金额。正确命令是______。
A.
SELECT商品.商品号,商品名,销售日期,销售数量,销售数量*单价AS销售金额;
B.
SELECT商品.商品号,商品名,销售日期,销售数量,销售数量*单价AS销售金额;
C.
SELECT商品.商品号,商品名,销售日期,销售数量,销售数量*单价AS销售金额;
D.
SELECT商品.商品号,商品名,销售日期,销售数量,销售数量*单价AS销售金额;
【简答题】某商店购进一批单价为20元的日用商品,如果以单价30元销售,那么月内可售出400件,根据销售经验,提高销售单价会导致销量的减少,即销售单价每提高1元,每月销售量相应减少20件,请写出利润y与单价x之间的函数关系式______.
【单选题】The 'departure date' on the small white form. gives the date ______.
A.
to which you can extend your stay
B.
on which you apply for a longer stay
C.
on which you arrive in the country
D.
by which you must leave the country
【简答题】幼儿性教育开展的主要途径()A. 社会 B. 家庭 C. 幼儿园 B. 自我
【单选题】The date on the bills of lading is the date on which the cargo is ready for shipment.( )
【简答题】某商店购进一批单价为20元的日用商品,如果以单价30元销售那么半月内可售出400件,根据销售经验,推广销售单价会导致销售量的减少,即销售单价每提高1元,销售量相应减少20件. (1)销售单价提高多少元,可获利4480元. (2)如何提高售价,才能在半月内获得最大利润?