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Câu hỏi: Read the following passage and mark the letter A, B, C or Don your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks.
Mobile phones emit microwave radio emissions. Investigators are questioning whether exposure to these radio waves might (34) ________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 (35) ________clear adverse effect associated with the prolonged use of mobile phones.
(36) ________studies are now going on 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.
(37) ________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 (38) ________bodies are still growing may be at particular risk.
The word or phrase which best fits the gap (36) is...
A. Lots
B. A lot
C. Many
D. Much
Mobile phones emit microwave radio emissions. Investigators are questioning whether exposure to these radio waves might (34) ________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 (35) ________clear adverse effect associated with the prolonged use of mobile phones.
(36) ________studies are now going on 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.
(37) ________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 (38) ________bodies are still growing may be at particular risk.
The word or phrase which best fits the gap (36) is...
A. Lots
B. A lot
C. Many
D. Much
Kiến thức: Lượng từ
Ta có sau chỗ trống là một danh từ đếm được số nhiều “studies” nên many là phương án duy nhất đúng.
Loại D vì sau much phải là danh từ không đếm được.
Loại A và B vì thiếu giới từ “of”. Ta cỏ a lot of = lots of + danh từ đếm được số nhiều hoặc danh từ không đếm được.
Trích bài: Many studies are now going on in numerous countries.
Tạm dịch: Nhiều nghiên cứu tiếp tục được tiến hành ở rất nhiều đất nước khác.
Ta có sau chỗ trống là một danh từ đếm được số nhiều “studies” nên many là phương án duy nhất đúng.
Loại D vì sau much phải là danh từ không đếm được.
Loại A và B vì thiếu giới từ “of”. Ta cỏ a lot of = lots of + danh từ đếm được số nhiều hoặc danh từ không đếm được.
Trích bài: Many studies are now going on in numerous countries.
Tạm dịch: Nhiều nghiên cứu tiếp tục được tiến hành ở rất nhiều đất nước khác.
Đáp án C.