【简答题】Everyone,old or young,likes travel.People travel not only to see things but also to meet and learn about the people in other lands.As we travel we see a lot of things.We see hills,rivers, lowlands and...
【单选题】—Read the article below about 'China Enters Cyberspace' and the questions. —For each question 13-18, mark one letter (A, B, C or D) on your Answer Sheet for the answer you choose. China Enters Cybersp...
【简答题】听下面一段材料,回答1-4题。 1. How many American rivers are seriously polluted? A. One-sixth of them. B. One-third of them. C. Half of them. 2. When did Susan start the work of cleaning the river? A. Three years ...