原题
录音 1
Why does the speaker note that all industries produce some carbon dioxide?
ATo provide context for a discussion of the solar industry's low carbon footprint
BTo suggest that there are reasons for skepticism of the solar industry
CTo introduce a discussion about the harmful pollutants given off by solar panels
DTo support the claim that solar power provides energy to underserved areas
正确答案：A
解题思路
老师暂未填写解题思路。