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Câu hỏi: Read 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 from 25 to 29.
Mobile phones emit microwave radio emissions. Researchers are questioning whether exposure to these radio waves might (25) __________ 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
(26) __________. 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 on in various countries. Some of the results are contradictory but others have shown an association between mobile phone use and cancer. (27) __________ , these studies are preliminary and the issue needs further, long - term investigation.
(28) __________ the scientific data is more definite, it is prudent for people to try not to use mobile phones 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 (29) __________ and they may be just as dangerous. It is also thought that young people whose bodies are still growing may be at particular risk.
The word or phrase which best fits the gap (28) is...
A. Until
B. When
C. Provide
D. As
Mobile phones emit microwave radio emissions. Researchers are questioning whether exposure to these radio waves might (25) __________ 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
(26) __________. 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 on in various countries. Some of the results are contradictory but others have shown an association between mobile phone use and cancer. (27) __________ , these studies are preliminary and the issue needs further, long - term investigation.
(28) __________ the scientific data is more definite, it is prudent for people to try not to use mobile phones 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 (29) __________ and they may be just as dangerous. It is also thought that young people whose bodies are still growing may be at particular risk.
The word or phrase which best fits the gap (28) is...
A. Until
B. When
C. Provide
D. As
- Until: cho đến khi
- When : khi
- Provide : cung cấp (provide sb with sth = provide sth for sb: cung cấp cho ai cái gì)
Lưu ý: Provided (that)/Providing (that) = As long as: miễn là, chỉ cần
-As: vì, khi
“Until the scientific data is more definite, it is prudent for people to try not to use mobile phones for long periods of time.” (Cho đến khi các tư liệu khoa học được xác định rõ ràng thì con người nên cố gắng không sử dụng điện thoại quá lâu.)
- When : khi
- Provide : cung cấp (provide sb with sth = provide sth for sb: cung cấp cho ai cái gì)
Lưu ý: Provided (that)/Providing (that) = As long as: miễn là, chỉ cần
-As: vì, khi
“Until the scientific data is more definite, it is prudent for people to try not to use mobile phones for long periods of time.” (Cho đến khi các tư liệu khoa học được xác định rõ ràng thì con người nên cố gắng không sử dụng điện thoại quá lâu.)
Đáp án A.