单项选择题

What program has been initiated

A．Spraying chemicals.
B．Building a high dam.
C．Raising funds in western countries.
D．Appealing for more international ai

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单项选择题

Which country is NOT suffering from the plague right now

A．Senegal.
B．Sudan.
C．Mali.
D．Mauritani

单项选择题

What plague are some African countries facing

A．Quick spread of the desert.
B．Quick spread of an insect.
C．Upsurge of an infectious disease.
D．Overflowing of a river.

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