L
lucky_star114
Read the following passage and choose the most suitable option for each of the blanks.
Mobile phones emit microwave radio emissions. Researchers are questioning whether exposure to these radio waves might (28) ______ to brain cancer.
So far, the data are not conclusive. The scientific evidence does not (29) ______ us to say with certainty that mobile phones are categorically (30) ______. On the other hand, current research has not yet (31) ______ clear adverse effect associated with the prolonged use of mobile phones.
Numerous studies are now going (32) ______ in various countries. Some of the results are contradictory but others have shown an association between the use of mobile phones and cancer. (33) ______, these studies are preliminary and the issue needs further, long-term investigation.
(34) ______ the scientific data are more definite, it is prudent for people to try not to use mobile phones for long (35) ______ of time. Don't think that hands-free phones are any safer either. At the moment, research is in fact showing the (36) ______ and they may be just as dangerous.
It is also thought that young people (37) ______ bodies are still growing may be at particular risk.
Question 28: A. cause B. produce C. lead D. bring
Question 29: A. enable B. expect C. bring D. manage
Question 30: A. harmful B. risky C. unhealthy D. safe
Question 31: A. demonstrated B. caused C. proved D. produced
Question 32: A. through B. by C. on D. about
Question 33: A. Though B. However C. Additionally D. While
Question 34: A. Provide B. As C. When D. Until
Question 35: A. periods B. amounts C. intervals D. hours
Question 36: A. fact B. opposite C. truth D. way
Question 37: A. that B. as C. with D. whose
Mobile phones emit microwave radio emissions. Researchers are questioning whether exposure to these radio waves might (28) ______ to brain cancer.
So far, the data are not conclusive. The scientific evidence does not (29) ______ us to say with certainty that mobile phones are categorically (30) ______. On the other hand, current research has not yet (31) ______ clear adverse effect associated with the prolonged use of mobile phones.
Numerous studies are now going (32) ______ in various countries. Some of the results are contradictory but others have shown an association between the use of mobile phones and cancer. (33) ______, these studies are preliminary and the issue needs further, long-term investigation.
(34) ______ the scientific data are more definite, it is prudent for people to try not to use mobile phones for long (35) ______ of time. Don't think that hands-free phones are any safer either. At the moment, research is in fact showing the (36) ______ and they may be just as dangerous.
It is also thought that young people (37) ______ bodies are still growing may be at particular risk.
Question 28: A. cause B. produce C. lead D. bring
Question 29: A. enable B. expect C. bring D. manage
Question 30: A. harmful B. risky C. unhealthy D. safe
Question 31: A. demonstrated B. caused C. proved D. produced
Question 32: A. through B. by C. on D. about
Question 33: A. Though B. However C. Additionally D. While
Question 34: A. Provide B. As C. When D. Until
Question 35: A. periods B. amounts C. intervals D. hours
Question 36: A. fact B. opposite C. truth D. way
Question 37: A. that B. as C. with D. whose