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
In recent years, satellite television has started to be broadcast in the radio frequency range______.
A．between 3.4 GHz and 7 GHz
B．between 12 GHz and 14 GHz
C．between 14 GHz and 21 GHz
D．between 21 GHz and 27GHz
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.
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