Đọc đoạn văn sau và chọn câu trả lời đúng cho các câu hỏi. More than two hundred years ago, the term...

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More than two hundred years ago …

the environment was polluted as much as it is today

people knew nothing about environmental pollution

air was polluted badly

people were faced with pollution

Giải thích

Đáp án: B

Giải thích: dựa vào câu the term "environmental pollution" was quite strange to people.

Dịch: thuật ngữ ô nhiễm môi trường vẫn còn khá lạ với mọi người