原题
录音 1
What point does the speaker make about convection in Pluto's ice basin?
AIt is making the surface of the ice basin grow larger.
BIt suggests that volcanoes exist on Pluto.
CIt continuously moves warmer ice to the basin's surface.
DIt creates strong winds that blow across Pluto's surface.
正确答案：C
解题思路
老师暂未填写解题思路。