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

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 from .

A.  their radiant light

B. their power of attraction       

C. their raiding power

D. their invisible rays

* Đáp án

* Hướng dẫn giải

Đáp án là D

Ý trong bài: What is it that makes mobile phones potentially harmful? The answer is radiation.

Radiation: những tia vô hình = invisible ray

Copyright © 2021 HOCTAP247