单项选择题

A．Buses.
B．Bicycles.
C．Showers.
D．Schools.
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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.
单项选择题
A．They appear to be textured like wood.B．They appear to be colored like wood.C．They appear to be smooth and red.D．They appear to be short and thick.
A．They appear to be textured like wood.
B．They appear to be colored like wood.
C．They appear to be smooth and red.
D．They appear to be short and thick.
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