下图表示消费者对既定商品的需求(QA)受与其相关商品价格(PB)变动的影响。下列说法正确的是①火车票价格变动对飞机乘坐率的影响 ②家禽价格变动对鱼虾市场占有率影响 ③汽油的价格变动对汽车购买率的影响 ④景区门票价格变动对宾馆入住率影响 A.③④ B.①④ C.①③ D.②③
(2012江西卷)It suddenly occurred to him he had left his keys in the office.
As many five courses are provided, and you are free to choose ______ suits you best.
Scientists study ____ human brains work to make computers.
(2012辽宁卷)The newcomer went to the library the other day and scarched for he could find about Mark Twain.
_____ I want to tell you is the deep love and respect I have for my parents.