天一大联考三晋名校联盟2023-2024高三届级阶段性测试(期中)英语试题试卷答案答案正在持续更新，目前2025~2026英语周报答案网为大家整理了相关试题及答案，供大家查缺补漏，高效提升成绩。

C.Research on outdoor PM2.5 may be unnecessary. D.Outdoor PM2.5 far from the house may be harmless. 24.Why does the author suggest buying a stove cover? A.To protect the stove. B.To save energy. C.To beautify the kitchen. D.To separate PM2.5.