Which statement is the opinion of WHO?
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1 .An important feature of a society in which people live a long life is that______.
A it places more emphasis on educating the young. B it is both wise and energetic. C it lacks the curiosity to experiment what is new. D it welcomes changes.
2 .Which of the following best describes Callahan 's attitude to anti-ageing technology?
A Optimistic. B Pessimistic. C Reserved. D Negative.
3 .People used to think that______.
A children and adolescents are sensitive to phone emissions B cellular-phone use cannot cause brain tumors C children and adolescents shouldn’t use cellular-phone in school D cellphone emissions can penetrate deeper into children brains
4 .Which of the following statements is true according to the third paragraph?
A More and more children in developing country begin to use cellphone B Cellphone usage causes more brain tumors among children C The risk of cellphones causing brain tumors in children can be excluded D Outer brain tissue of adult cannot absorb cellphone energy
5 .Major health problems_______.
A are related to cellphone usage B have certain relationship with cellphone usage in adult C caused by cellphone needn’t to worry about D have little relationship with cellphone use in adults
7 .Which is the final conclusion of the researchers?
A Several confounding factors could not be ruled out B There are no obvious differences between regular users and non-users C A large risk of cellphone causing brain tumors in children can be excluded D Cellphone cannot increase the risk of brain tumors.
8 .__________
A With the collapse of socialism and the rise of the leisure class, western brand names and western consumption have become a part of Russian life. B Our preference test result suggests that only a few Pepsi participants and Coke fans may really be able to tell their favorite brand by taste and pric...
