单项选择题

A．Maintaining genetic diversity in herds.
B．A lack of food for elephants on the reservation.
C．Some elephants don’t like each other.
D．The elephants are destroying crops.
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单项选择题
A．Wall Street Journal.B．National Enquirer.C．USA Today.D．Time.
A．Wall Street Journal.
B．National Enquirer.
C．USA Today.
D．Time.
单项选择题
A．They are good friends.B．They work together.C．The man is repairing the photocopier for the woman.D．They are meeting for the first time.
A．They are good friends.
B．They work together.
C．The man is repairing the photocopier for the woman.
D．They are meeting for the first time.
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