Light darkens silver salt．,Light darkens natural salt．,-找考题网

单项选择题

A．Light darkens silver salt.
B．Light darkens natural salt.
C．Light darkens silver.
D．Light darkens self-developing film.

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单项选择题A．Because both have a limited supply of air, water, and other resources.B．Because the Earth moves around the sun as fast as a spaceship.C．Because we can travel to outer space.D．Because the Earth never stops moving.

A．Because both have a limited supply of air, water, and other resources.
B．Because the Earth moves around the sun as fast as a spaceship.
C．Because we can travel to outer space.
D．Because the Earth never stops moving.

单项选择题A．His mother tongue is not English.B．His major is English.C．His major is math.D．His major is football.

A．His mother tongue is not English.
B．His major is English.
C．His major is math.
D．His major is football.

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