【单选题】Freedom is one of the most difficult things to define, yet wars are fought to secure it. Pres. George W. Bush wants freedom for the entire world, but the question remains whether some might not want i...
【简答题】阅读理解。 Apparently, we are safe neither at home nor in the business office. We use water in both places, but the research shows that chemicals added to our local water supply to kill harmful bacteria ca...