【简答题】请翻译划线部分内容 Since 1750 , the world has seen four industrial revolutions. The first one took place in Britain; and China missed the boat . The second one occurred in the latter half of the 19th century; ...
【简答题】阅读理解。 A teacher of English as a second language is the 2004 Teacher of the Year in the United States. Kathy Mellor of Rhode Island will spend the next year as an international spokeswoman for educatio...
【判断题】Diaoshuilou Waterfall in Heilongjiang Province is the only splendid yellow waterfall in the world and the second large st waterfall in China after Huangguoshu Waterfall .