T101What is the main idea of the passage?
A、Researchershavefoundawaytosavethosebeingill.
B、Bookpagescouldprovidesafedrinkingwater.
C、illionsofpeopleareingreatneedofdrinkablewater.
D、Knowledgeisasimportantasdrinkablewater.
发布时间：2025-10-07 18:30:40
