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单项选择题

No national park was built in the Great Basin for a long time because_______.

A．it is far from any city
B．some considers it harmful in some way
C．the place was found not long ago
D．the weather was bad there
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热门试题

单项选择题In the summer holidays, the library will have_________.

A．no special hours
B．special hours on weekdays
C．special hours on weekends
D．special hours both on weekdays and weekends

单项选择题At which of the following times will the bus leave the main hall

A．8:00,9:00,10:00,11:00.
B．8:30,9:30,10:30,11:30.
C．8:30,9:00,9:30,10:00.
D．8:00,9:30,11:00,12:30.