The first, price theory or microeconomics, explains how the interplay of supply and demand in competitive markets creates a multitude of individual prices, wage rates, profit margins, and rental changes.
第1题:
A.orange_price=6
B.Price=5.8
C.price=5.8
D.01price=6
第2题:
In case of inconsistency between this bill of lading and the applicable tariff,this bill of lading shall ______.
A.prevail
B.provide
C.apply
D.supply
第3题:
BookStore数据库中有图书表Book(BookCode, BookName, Author, PublisherCode, PublishTime,BookSort, ISBN, BookPicture, ContentInro, Price, Discount),其中 PublishTime是datetime类型。 将Book表中的所有“外语”类图书的价格降低10%,并将折扣均设为8折。SQL语句: UPDATE Book SET ________ Where BookSort ='外语'。
A.Price=Price*0.9, Discount=0.8
B.Price=Price*(1-10%), Discount=0.8
C.Price=0.9, Discount=0.8
D.Discount=0.8, Price=Price*0.9
第4题:
【C4】
A.exposes
B.exemplifies
C.expresses
D.explains
第5题:
第6题:
7、BookStore数据库中有图书表Book(BookCode, BookName, Author, PublisherCode, PublishTime,BookSort, ISBN, BookPicture, ContentInro, Price, Discount),其中 PublishTime是datetime类型。 将Book表中的所有“外语”类图书的价格降低10%,并将折扣均设为8折。SQL语句: UPDATE Book SET ________ Where BookSort ='外语'。
A.Price=Price*0.9, Discount=0.8
B.Price=Price*(1-10%), Discount=0.8
C.Price=0.9, Discount=0.8
D.Discount=0.8, Price=Price*0.9