单项选择题

A．The threat of poisonous desert animals and plants.
B．The exhaustion of energy resources.
C．The destruction of oil wells.
D．The spread of the black powder from the fires.
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单项选择题
A．An account of a school for blind boys.B．A description of a French village.C．A story about a clever blind little boy.D．The education of the blind boys.
A．An account of a school for blind boys.
B．A description of a French village.
C．A story about a clever blind little boy.
D．The education of the blind boys.
单项选择题
A．Christians all over the world.B．People of the world.C．Only American people.D．Great people in the world.
A．Christians all over the world.
B．People of the world.
C．Only American people.
D．Great people in the world.
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