单项选择题

A．Making the problem of food shortage even more serious.
B．Increasing the awareness of the world’s large population.
C．Increasing the number of babies who survive early childhood.
D．Providing world population with more nutrition ever before.
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单项选择题
A．He has a lot of free time.B．She knows he likes acting.C．Many of his friends are actors.D．He’s looking for an acting job.
A．He has a lot of free time.
B．She knows he likes acting.
C．Many of his friends are actors.
D．He’s looking for an acting job.
单项选择题
A．Servant and hostess.B．Waiter and customer.C．Doorkeeper and visitor.D．Shop assistant and old customer.
A．Servant and hostess.
B．Waiter and customer.
C．Doorkeeper and visitor.
D．Shop assistant and old customer.
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