Why are people unable to see clearly even in daytime in New York

【参考答案】

Smoke-fog drifts over the city[解题技巧] 把握文中的细节部分。[详细解答] 所谓说明文或......

(↓↓↓ 点击下方‘点击查看答案’看完整答案 ↓↓↓)