Câu hỏi:
18/03/2020 457Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks.
Mobile phones emit microwave radio emissions. Researchers are questioning whether exposure to these radio waves might (33) _______ to brain cancer. So far, the data are not conclusive. The scientific evidence does not enable us to say with certainly that mobile phones are categorically (34) _______. On the other hand, current research has not yet proved clear adverse effect associated with the prolonged use of mobile phones.
Numerous studies are now going (35) _______ in various countries. Some of the results are contradictory but others have shown an association between mobile phone use and cancer. (36) _______, these studies are preliminary and the issue needs further, long-term investigation.
Until the scientific data is more definite, it is prudent for people to try not to use mobile phone for long periods of time. Don’t think that hands free phones are any safer either. At the moment, research is in fact showing the opposite and they may be just as dangerous. It is also thought that young people (37) _______ bodies are still growing may be at particular risk.
Điền vào ô trống 34
Đáp án chính xác
Câu hỏi trong đề:
Đề thi thử THPTQG năm 2019 chuẩn cấu trúc của bộ giáo dục có đáp án !!
Sách mới 2k7: Tổng ôn Toán, Lí, Hóa, Văn, Sử, Địa…. kỳ thi tốt nghiệp THPT Quốc gia 2025, đánh giá năng lực (chỉ từ 110k).
Quảng cáo
Trả lời:
Giải bởi Vietjack
Đáp án D.
Chọn D. safe (adj) vì “The scientific evidence does not enable us to say with certainly that mobile phones are categorically _______.”: Bằng chứng khoa học không cho phép chúng ta nói chắc chắn rằng điện thoại di động rõ ràng là an toàn.
Những phương án còn lại sai nghĩa.
A. risky (adj): mạo hiểm.
B. unhealthy (adj): không lành mạnh.
C. secure (adj): an ninh.
Nhà sách VIETJACK:
CÂU HỎI HOT CÙNG CHỦ ĐỀ
Câu 1:
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
_______ that she burst into tears
Xem đáp án »
10/01/2022
52,752
Câu 2:
Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.
The lost hikers stayed alive by eating wild berries and drinking spring water.
Xem đáp án »
17/03/2020
28,820
Câu 3:
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
_______, he would have been able to pass the exam.
Xem đáp án »
17/03/2020
26,650
Câu 4:
Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions.
We had a whale of time as everything was quite fantastic
Xem đáp án »
17/03/2020
26,534
Câu 5:
Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.
Father has lost his job, so we’ll have to tighten our belt to avoid getting into debt.
Xem đáp án »
17/03/2020
22,419
Câu 6:
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
My sunburnt nose made me feel rather _______ for the first few days of the holiday
Xem đáp án »
17/03/2020
21,363
Câu 7:
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
If energy _______ inexpensive and unlimited, many things in the world would be different
Xem đáp án »
17/03/2020
17,301
về câu hỏi!