单项选择题

Questions 22 to 25 are based on the conversation you have just heard.

A．To drink more water.
B．To stretch himself before learning.
C．To keep his body balance.
D．To wear formal clothes.
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单项选择题
A．Some people pretend to know what they really don’t.B．What the woman said is true.C．What the woman said is wrong.D．He knows more than the woman does.
A．Some people pretend to know what they really don’t.
B．What the woman said is true.
C．What the woman said is wrong.
D．He knows more than the woman does.
单项选择题
Satellite television providers can bring dozens or even hundreds of channels to TV viewers because______.
A．satellite can send more programs
B．the television signals sent to satellites are compressed
C．the signals are encrypted
D．the signals converted back into usable data
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