Fog ________ the train timetable.[ ] A.u 发布时间:2017-07-26 07:06 │ 来源:www.tikuol.com 题型:选择题 问题: Fog ________ the train timetable.[ ]A.upset B.upsetted C.was upset D.was upsetting
题型:选择题 If the price elasticity of demand is-1.5 and you increase the price of the product 2 percent, the quantity demanded will (closest to):()A. decrease 0.75%B. decrease 1.5%C. decrease 3% 查看答案
题型:选择题 (12分)写出下列有机物的系统命名或结构简式:(1) (2)___________________________ _________________________(3)2,2-二甲基-3-乙基己烷 (4)2-甲基-2-丁烯___________________________ _________________________ 查看答案