原题
录音 1
What comparison does the speaker make between the light from incandescent bulbs and the light from LEDs?
AIncandescent bulbs emit less near-infrared light.
BIncandescent bulbs emit light from a broader range of the spectrum.
CLEDs emit a steadier light that is not subject to flickering.
DLEDs emit light that is more similar to natural sunlight.
正确答案:B
解题思路
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