原题
录音 1
What does the speaker suggest about batteries made using nanotechnology?
AThey are more efficient than traditional batteries.
BThey can be manufactured more cost-effectively than traditional batteries.
CThey are created primarily for storing renewable energy sources.
DThey will likely be the only batteries available to consumers in the near future.
正确答案：A
解题思路
老师暂未填写解题思路。