原题
录音 1
Why does the speaker mention aquatic life?
ATo emphasize a difference between lakes where ice forms and lakes where it does not
BTo explain the importance of the insulating effect of ice at the top of bodies of water
CTo provide an example of a harmful effect of warming water temperatures
DTo identify a curiosity that has puzzled scientists for centuries
正确答案：B
解题思路
老师暂未填写解题思路。