单项选择题

Questions 11 to 18 are based on the conversation you have just heard.

A．Population explosion.
B．Generation Gap.
C．Problem of the aged.
D．Climate changes.
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单项选择题
A．workB．spendC．contributeD．possess
A．work
B．spend
C．contribute
D．possess
单项选择题
A．A strong wind.B．A baker’s shop.C．A burning cigarette end.D．A narrow lane.
A．A strong wind.
B．A baker’s shop.
C．A burning cigarette end.
D．A narrow lane.
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