【判断题】Pulling stings to build pyramids No one knows exactly how the pyramids were built. Marcus Chown reckons the answer could be 'hanging in the air'. The pyramids of Egypt were built more than three thous...
【单选题】Stop worrying about recession. That is the message from America's R-word index. For each quarter, we (1)_____ how many stones in the New York Times and the Washington Post include the word 'recession'...
【简答题】Pulling Strings to Build Pyramids No one knows exactly how the pyramids were built. Marcus Chown reckons the answer could be 'hanging in the air'. The pyramids of Egypt were built more than three thou...