四级英语

本文导航第1页试题第2页答案解析I’m usually fairly skeptical about any research that concludes that people are either happier or unhappier or more or less certain of themselves than they...

本文导航第1页试题第2页答案解析Real policemen hardly recognize any resemblance between their lives and what they see on TV —if they everget home in time. There are similarities, of cour...

本文导航第1页试题第2页答案解析In a moment of personal crisis, how much help can you expect from a New York taxi driver? I began studyingthis question and found the answers interesting.On...

本文导航第1页试题第2页答案解析Hardly a week goes by without some advance in technology that would have seemed incredible 50 years ago. And we can expect the rate of change to accelerate ...

本文导航第1页试题第2页答案解析Henry III didn’t know much about biology. He went through six wives back in the 1500s, looking for one whocould bear him a son. Scientists now know that i...

本文导航第1页试题第2页答案解析The dancers stand motionless at their position and the room grows silent. But as the music starts, they began to move, bending, turning and waving their fan...

本文导航第1页试题第2页答案解析Like a needle climbing up a bathroom scale, thenumber keeps rising. In 1991, 15% of Americanswere obese(肥胖的); by 1999, that proportion hadgrown to 27%...

本文导航第1页试题第2页答案解析It happens to every medical student sooner or later. You get a cough that persists for a while. Ordinarily,you would just ignore it--but now, armed with you...

本文导航第1页试题第2页答案解析Of all the components of a good night’s sleep, dreams seem to be least within our control. In dreams, a window opens into a world where logic is suspended...

本文导航第1页试题第2页答案解析Imagine you went to a restaurant with a date; had a burger, paid with a credit card, and left. The next time you go there, the waiter or waitress, armed wit...