46. What would be the best title for this passage?
(A) Think Green and Live Healthy.
(B) Less Electronics, Better Health.
(C) Solar Energy as the Answer to Environmental Problems.
(D) Benefits of Organic Gardening.
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統計: A(63), B(8), C(14), D(1), E(0) #628505
統計: A(63), B(8), C(14), D(1), E(0) #628505