单项选择题

A．Take more frequent breaks.
B．Improve his computer skills.
C．Drink more coffee.
D．Go to see an eye doctor.
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单项选择题
A．Because Americans are tired of their traditional food.B．Because many international organizations are located there.C．Because America is a country full of immigrants.D．Because America often holds international food festivals.
A．Because Americans are tired of their traditional food.
B．Because many international organizations are located there.
C．Because America is a country full of immigrants.
D．Because America often holds international food festivals.
单项选择题
A．Stricter standards for food preparation.B．More detailed labels on food.C．Removing certain foods from the market.D．Regular testing of food products.
A．Stricter standards for food preparation.
B．More detailed labels on food.
C．Removing certain foods from the market.
D．Regular testing of food products.
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