原题
录音 1
What limitation of the new devices does the speaker mention?
AThey can only collect data from a limited number of butterflies at a time.
BThey can be affected by weather conditions.
CThey cannot track butterflies during stopovers along migration routes.
DThey cannot explain why butterflies make certain detours during migration.
正确答案：B
解题思路
老师暂未填写解题思路。