单项选择题
According to the interview, how many people have been added to the Earth’s population in the past century
A．More than two billion.
B．More than three billion.
C．More than Four billion.
D．More than Six billion.
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单项选择题
A．It has lost its primary oxygen sources.B．It has lost its backup oxygen sources.C．It has lost both the primary and the backup oxygen sources.D．It has lost neither the primary or the backup oxygen sources.
A．It has lost its primary oxygen sources.
B．It has lost its backup oxygen sources.
C．It has lost both the primary and the backup oxygen sources.
D．It has lost neither the primary or the backup oxygen sources.
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单项选择题
A．Suspected Muslim militants.B．Suspected Algerian militants.C．Suspected Islamic civilians.D．Suspected Algerian civilians.
A．Suspected Muslim militants.
B．Suspected Algerian militants.
C．Suspected Islamic civilians.
D．Suspected Algerian civilians.
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