1400 câu trắc nghiệm Đọc hiểu Tiếng Anh có đáp án - Phần 10

According to the passage, what makes mobile phones potentially

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According to the passage, what makes mobile phones potentially harmful is ______.

their radiant light

their raiding power

their power of attraction

their invisible rays

Giải thích

Đáp án D
Giải thích: “What is it that makes mobile phones potentially harmful? The answer is radiation.” Radiation chính là những tia vô hình – invisible rays.