【单选题】Walk a Quarter-Mile or Die If you can walk a quarter-mile, odds(可能性)are you have at least six years of life left in you, scientists say. And the faster you can (51) it, the longer you might live. Whil...
【简答题】试题类型:阅读理解 试题难度:一般 更新时间:2012/7/9 9:53:57 Nearly all of us have an unpleasant habit, whether we realize it or not, and we want to get rid of it but didn’t know the proper ways. Here’s some advice on h...