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Câu hỏi:

12/09/2023 34

Doctors have tentatively concluded that cellphones may ________.

A. damage their users’ emotions

B. cause some mental malfunction

Đáp án chính xác

C. change their users’ temperament

D. change their users’ social behaviours

Trả lời:

verified Giải bởi Vietjack

Đáp án B

Giải thích: “In one case, a traveling salesman had to retire at young age because of serious memory loss. He couldn't remember even simple tasks. He would often forget the name of his own son. This man used to talk on his mobile phone for about six hours a day, every day of his working week, for a couple of years. His family doctor blamed his mobile phone use, but his employer's doctor didn't agree.” Như vậy việc dùng điện thoại di động có thể gây ảnh hưởng đến các chức năng về mặt thần kinh. Đáp án của câu là cause some mental malfunction.

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CÂU HỎI HOT CÙNG CHỦ ĐỀ

Câu 1:

According to the passage, which of the following is NOT true?

Xem đáp án » 12/09/2023 63

Câu 2:

The word “convey” in the passage is closest meaning to _____.

Xem đáp án » 12/09/2023 49

Câu 3:

It can be inferred from the passage that .

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Câu 4:

The author mentions “to design a website or a computer game” in paragraph 2 to illustrate___.

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Câu 5:

A main difference between tsunamis in Japan and in Hawaii is that tsunamis in Japan are more likely to _____.

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Câu 6:

Which of the following would serve as the best title of the passage?

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Câu 7:

The most suitable title for the passage could be ______.

Xem đáp án » 12/09/2023 37

Câu 8:

The phrase “jostling one another” in the third paragraph is closest in meaning to “______”.

Xem đáp án » 12/09/2023 36

Câu 9:

The word “conditions” in the second paragraph refers to ______.

Xem đáp án » 12/09/2023 34

Câu 10:

What is the main idea of the first paragraph?

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Câu 11:

In the passage, the word “invaluable” is closet in meaning to ______.

Xem đáp án » 12/09/2023 33

Câu 12:

When does the human body begin to lose vigor and the ability to function efficiently?

Xem đáp án » 12/09/2023 33

Câu 13:

According to the passage, the opening scene of the film is intended ______.

Xem đáp án » 12/09/2023 32

Câu 14:

According to the passage, studies of contemporary subsistence societies can provide a___.

Xem đáp án » 12/09/2023 32

Câu 15:

That Social Security payments will be a burden comes from the concern that ______.

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