第一章测试1.Which one is Beijing Cuisine? A:Noodles with Soy Bean PasteB:West Lake Fish in Vinegar GravyC:SeafoodD:Nanxiang Steamed Bun答案:B2.What is not the
1.most people usually traveled by ship and train which are driven by steam engine. it played an important part in many kinds of vehicles several scores of years ago. who invented steam engine and what units could be used to measure the power of engin