单项选择题


Passage Two

A．To maintain a high heart rate for the longest duration.
B．To reach and maintain your target heart rate for the entire exercise.
C．To burn calories as efficiently as possible.
D．To maximize your heart rate and get rid of extra fat.
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单项选择题
A．No one knows.B．The Chinese chef used the wrong recipes.C．The hungry miners requested a new dish to be served.D．A Chinese chef created the dish from the leftovers for the miners.
A．No one knows.
B．The Chinese chef used the wrong recipes.
C．The hungry miners requested a new dish to be served.
D．A Chinese chef created the dish from the leftovers for the miners.
单项选择题
A．English is the sole official language.B．Few people speak Zulu there.C．It has the largest Indian population outside of America.D．It has the largest mixed race community in Africa.
A．English is the sole official language.
B．Few people speak Zulu there.
C．It has the largest Indian population outside of America.
D．It has the largest mixed race community in Africa.
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