单项选择题

A．Man can use nearly 75% of it.
B．Man can use about 97% of it.
C．Man can use 3% of it.
D．Man can use less than 3% of it.
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单项选择题
A．A decline in psychological well-being.B．More depression.C．Loneliness.D．[Ａ] , [Ｂ] and[Ｃ]
A．A decline in psychological well-being.
B．More depression.
C．Loneliness.
D．[Ａ] , [Ｂ] and[Ｃ]
单项选择题
A．The man wants to go to Los Angeles.B．The man wants to go to San Francisco.C．There are no flights to Los Angeles for the rest of the day.D．There are two direct flights to Los Angeles within the next two hours.
A．The man wants to go to Los Angeles.
B．The man wants to go to San Francisco.
C．There are no flights to Los Angeles for the rest of the day.
D．There are two direct flights to Los Angeles within the next two hours.
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