题目

.【2011·皖南八校第三次联考】B If a business wants to sell its products internationally, it had better do some market research first．This is a lesson that some large American corporations have learned the hard way． What's in the name? Sometimes the problem is the name．When General Motors introduced its Chevy Nova into Latin America, it overlooked the fact that Nova in Spanish means It doesn't go．Sure enough, the Chevy Nova never went anywhere in Latin America．        Translation problems Sometimes it is the slogan that doesn't work．No company knows this bet 若x＞y，则下面关系式中错误的是 [　　] A．－5x＜－5y B．5x＞5y C．－4＋x＜－4＋y D．a2x≥a2y