27. How much gas does a person produce in one day?
(A) None
(B) Less than one liter
(C) One liter
(D) Fourteen liters

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統計: A(6), B(149), C(14), D(36), E(0) #2634308

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#4897182
答案是一天放14個屁,或半公升的氣體(A...
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