题目内容

下列辐射，属于电离辐射的是（）。

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Cruise Seattle
The Port of Seattle is ready to set sail for a very busy 2007 cruise season.
Seattle will welcome (150) 200 cruise ship visits and around 735,000 passengers during the upcoming cruise season. Check out the 2007 sailing schedule. Seattle provides convenience and value to passengers sailing to Alaska. New ships and two downtown cruise terminals make sailing out of Seattle an extremely attractive travel option for passengers looking for the convenience of cruising from a U. S. based port. Norwegian Cruise Line and Celebrity Cruises will depart from the Bell Street Pier Cruise Terminal at Pier 66. Holland America Line, Princess Cruises and Royal Caribbean will homeport at the Terminal 30 Cruise Facility. Both terminals are (151) located on Seattle' s downtown waterfront with easy (152) to Seattle-Tacoma International Airport.
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利用吸附法对排出气体进行净化，说法正确的是（）。