单项选择题

A．How winds affect temperature.
B．Reasons for sudden increases in wind.
C．The origin of storm systems.
D．How vertical air movement influences weather.
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单项选择题
A．A dishwasher.B．A balcony.C．A swimming pool.D．A bathroom.
A．A dishwasher.
B．A balcony.
C．A swimming pool.
D．A bathroom.
单项选择题
It can be concluded from the passage that________.
A．it is still impossible to detect computer crimes today
B．computer crimes are the most serious problem in the operation of financial institutions
C．computer criminals can escape punishment because they can’’t be detected
D．people commit computer crimes at the request of their company
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