双曲线y=-2x的图象经过点（1，m），则m=______． 发布时间：2017-05-25 20:36 │ 来源：www.tikuol.com 题型：填空题 问题： 双曲线y=-2x的图象经过点（1，m），则m=______．
题型：填空题 下图反映的是甲、乙两种互不关联的商品，当各自价格变动时对其需求量的影响程度。根据图示，下列推断正确的是A．甲商品价格上涨不会导致消费者对其需求量大幅下降B．乙商品需求弹性大，更适合采取“降价促销”的方式C．如果居民收人不断增长，则更适合扩大甲商品的生产D．如果宏观经济不景气，则乙商品生产受到的冲击较大 查看答案
题型：填空题 III. 完形填空（Cloze）(共15小题，计15分)阅读下面短文，掌握其大意，然后从方框内选择适当的单词或短语填空。方框内有多余的词或短语，每个词或短语限用一次。（答案写在答题纸上）found, may, of, led to, sometimes, rather than, mad, in fact, even if, different, water, part, drink, as well as, natural, include, important, wherever Many tourists nowadays walk around carrying plastic bottles of water, even in cities. The bottles seem to have become an (71)________ fashion accessory（配件）, and not only for tourists. (72)________, nowadays everyone seems to carry a bottle of water with them (73)________ they go. This fashion for being seen with bottled water, (74)________ called “designer water”, has (75)________ a massive（大量的） increase in sales over the past few years. There are now so many (76)________ brand names available in the shops that it is hard to choose. But why do some people prefer their water from a bottle (77)________ a tap? To start with, water forms a very important (78)________ of a healthy lifestyle. We are now advised to (79)________ two litres of water daily, (80)________ eating large quantities of fruit and vegetables. Besides this, designer water offers the promise (81)________ purity. It is advertised as clean and (82)________, while tap water (83)________ be viewed with suspicion （怀疑）. But is there really any difference between bottled and tap (84)________? Surprisingly, in the USA it was (85)________ that bottled water was not always as pure as most ordinary tap water. 查看答案
