In Britain, "pig" refers to any member of the class of domestic swine, but the United States uses the term when referring only to younger swine not yet ready for market and weighing less than 82 kilograms (180 pounds).
the United States uses the term when referring
the United States term refers
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in the United States they use the term as it refers
it is used in the United States when referring
A: when referring ...& weighing 容易引起歧义-两个动作都是use的伴随状语, 选项E同理
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