The changes possibly caused by the cell phones are mainly concerned with

Câu hỏi :

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions.

A. the mobility of the mind and the body.

B. the arteries of the brain.

C. the smallest units of the brain.

D. the resident memory.

* Đáp án

C

* Hướng dẫn giải

Đáp án C

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