80. What does the author prove with the example of strawberries?
(A) Non-local organic food is environmentally better than local food.
(B) Local food does not always save more energy than non-local food.
(C) Local food does more harm to our environment than non-local food.
(D) To protect our environment, local food has to replace non-local food.

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統計: A(5), B(68), C(6), D(11), E(0) #3271972

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【題組】80. What does t...
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