单项选择题

A．Oil refinery.
B．Linen textiles.
C．Food products.
D．Deepwater port.
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填空题
The concept of personal choice concerning health is important because ______.
单项选择题
A．Water.B．Crops.C．Money.D．Trees.
A．Water.
B．Crops.
C．Money.
D．Trees.
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