【简答题】Why eat local? Do you ever eat a banana and wonder why it tastes of nothing? Food nowadays flies for hundreds of miles across countries and continents. It's no surprise that when it gets to the superm...
【单选题】What’s the purpose of the following passage? The Bubonic plague, also called the Black Death, swept Europe, Asia, and Africa from 1346 to 1353. So deadly was this disease that it killed one-third of t...
【简答题】Passage A No very satisfactory account of the mechanism that caused the formation of the ocean basins has yet been given. The traditional view supposes that the upper mantle of the earth behaves as a ...
【简答题】Now many young peopleare travelingaround the world on their own, notbecause they have no one to travel with,but because they prefer to go alone. Kristina Wegscheider from California first traveled alo...
【单选题】词汇与结构 Flight time refers to "The total time from the moment an aircraft first moves under its own _____for the purpose of taking off until the moment it comes to rest at the end of the flight.
【简答题】Imagine someone has crossed the seas joining five continents by swimming. It is a major success for anyone. But it is an even greater success for Philippe Croizon, who has no arms, and no legs! His ac...