Bộ 4 Đề thi giữa kì 1 Tiếng Anh 12 Thí điểm (có đáp án - Đề 4)

Doctors have tentatively concluded that cell phones may

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Doctors have tentatively concluded that cell phones may.....

change their users' temperament

damage their users' emotions.

change their users' social behaviours.

cause some mental malfunction

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Đáp án D