单项选择题

Who is going to be the chairman of the Accident Investigation Board

A．Sherwood Boehlert.
B．Harold Gordon.
C．NASA Administrator.
D．House Science Committee Chairman.
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单项选择题
What is this news mainly about
A．The February 1 space shuttle "Columbia" mishap.
B．Some pointed questions from some Republican representatives.
C．The independence of the Columbia Accident Investigation Board.
D．The establishment of the NASA Accident Investigation Boar
单项选择题
Which of the following is NOT true, according to the benefits that steriods is supposed to have
A．Steroids heals the process of blood and tissue.
B．Steroids does not stay in the body for long.
C．Steroids helps men to increase endurance.
D．Steroids is cheaper than marijuana or cocain
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