GMAT测验综合教诲:词汇教诲(十七) natural number positive number negative number nonnegative rational irrational (number) common ratio direct proportion percent product ... /
2010-06-08 / 查看
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钻研:嚼口喷鼻香糖利于肠胃手术后规复 Chewing gum after intestinal surgery can help reactivate paralyzed bowels and get patients out of the hospital sooner, a study said on Monday. Patients who have... /
2010-06-08 / 查看
1266 次
Sports terms You might have come across the following terms during various sport events. Have a look at them and enrich your sports vocabulary. pre-race favourite for the title/ top seed/world ... /
2010-06-08 / 查看
4 次
Mumbai (India) An island connected by bridges to the mainland, Mumbai is the industrial hub of everything from textiles to petrochemicals, and responsible for half of India's foreign trade. But w..... /
2010-06-08 / 查看
234 次