单项选择题


Passage One
Questions 26 to 28 are based on the passage you have just heard.

A．Catching runaway criminals.
B．Scratching the hidden bombs.
C．Patrolling the dangerous town.
D．Drug-sniffing or bomb-sniffing.
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单项选择题
A．19 million dollars.B．32 million dollars.C．37 million dollars.D．42 million dollars.
A．19 million dollars.
B．32 million dollars.
C．37 million dollars.
D．42 million dollars.
单项选择题
According to the passage, memory is helpful in one’s life in the following aspects EXCEPT that ______ .
A．it involves a change in one’s behavior
B．it keeps information for later use
C．it warns people not to do things repeatedly
D．it enables one to remember events that happened in the past
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