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

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单项选择题

Food prices

A．will not rise this year.
B．will fall down till the new year.
C．will rise up until after the new year.
D．will hold down not until the new year.

单项选择题

The relationship between the two speakers is probably

A．intimate friends.
B．man and wife.
C．psychoanalyst and patient.
D．instructor and student.