原题
录音 1
According to the speaker, what is the most significant benefit of LED lights compared to incandescent bulbs?
ALEDs produce more heat than incandescent bulbs.
BLEDs are cheaper to manufacture than incandescent bulbs.
CLEDs use less energy than incandescent bulbs.
DLEDs provide much brighter light than incandescent bulbs.
正确答案：C
解题思路
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