【简答题】阅读理解。 Bob Pearson is an old man. He has two big houses and a new car. He has no wife.But he is a father of four children. He has two sons and two daughters. One son is from England. His name ...
【判断题】Pearson has pieced together the work of hundreds of
researchers around the world to produce a unique millennium technology calendar
that gives the latest dates when we can expect hundreds of key break...