Task 3. Read the following passages and mark the letter A, B, C or D to indicate the correct word for each of the
Task 3. Read the following passages and mark the letter A, B, C or D to indicate the correct word for each of the blanks from 11 to 15.
Mobile phones emit microwave radio emissions. Investigators are questioning whether exposure to these radio waves might (11)__ to brain cancer. So far, the figures are not final. The precise evidence does not enable us to say in certain that mobile phones are definitely safe. On the other hand, recent research has not yet (12) clear adverse effect associated with the prolonged use of mobile phones. Many studies are now going (13)__ in numerous countries. Some of the results are contradictory but the others have shown an association between mobile phone use and cancer. However, these studies are preliminary and the issue need further, long – term investigation. (14) the scientific data is more definite, it is advisable 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 hazardous. It is also thought that young people (15) bodies are still growing may be at particular risk.
Trả lời cho các câu 1, 2, 3, 4, 5 dưới đây:
Đáp án đúng là: A
Đáp án cần chọn là: A
Đáp án đúng là: B
Đáp án cần chọn là: B
Đáp án đúng là: C
Đáp án cần chọn là: C
Đáp án đúng là: A
Đáp án cần chọn là: A
Đáp án đúng là: D
Đáp án cần chọn là: D
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