問題詳情

6. What advantage do ordinary light bulbs have over LED bulbs?
(A) They can shine much brighter than LED bulbs.
(B) They usually last much longer than LED bulbs.
(C) The ordinary bulbs are more energy efficient.
(D) The price you pay for them in stores is cheaper.

參考答案

答案:D
難度:簡單0.741935
統計:A(1),B(1),C(4),D(23),E(0)

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