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Text 4 Can electricity cause cancer In a society that literally runs on electric power, the very idea seems preposterous. But for more than a decade, a growing band of scientists and journalists has pointed to studies that seem to link exposure to electromagnetic fields with increased risk of leukemia and other malignancies. The implications are unsettling, to say the least, since everyone comes into contact with such fields ,which are generated by everything electrical, from power lines and antennas to personal computers and micro-wave ovens. Because evidence on the subject is inconclusive and often contradictory, it has been hard to decide whether concern about the health effects of electricity is legitimate or the worst kind of paranoia. Now the alarmists have gained some qualified support from the US Environmental Protection Agency. In the executive summary of a new scientific review, released in draft form late last week, the EPA has put forward what amounts to the mo
A. They are indifferent
B. They are worried very much
C. They are shocked

[单项选择]

Text 4 Can electricity cause cancer In a society that literally runs on electric power, the very idea seems preposterous. But for more than a decade, a growing band of scientists and journalists has pointed to studies that seem to link exposure to electromagnetic fields with increased risk of leukemia and other malignancies. The implications are unsettling, to say the least, since everyone comes into contact with such fields ,which are generated by everything electrical, from power lines and antennas to personal computers and micro-wave ovens. Because evidence on the subject is inconclusive and often contradictory, it has been hard to decide whether concern about the health effects of electricity is legitimate or the worst kind of paranoia. Now the alarmists have gained some qualified support from the US Environmental Protection Agency. In the executive summary of a new scientific review, released in draft form late last week, the EPA has put forward what amounts to the mo
A. it may stir a great deal of debate among the Bush Administration
B. every unit of the modern military has depended on the heavy use of some kind of electronic equipment
C. the Pentagon's concern was understandable
D. they had different arguments

[单项选择]Asbestos is a mineral fiber that can cause cancer if {{U}}inhaled{{/U}}.
A. picked up
B. taken indoors
C. breathed in
D. eaten up

[单项选择]Exposure to asbestos fibers can cause cancer______.
A. only when asbestos is used in building industry
B. only when it is used in large quantifies
C. even if it is used in small quantities
D. if they are used when wet rather than dry

[单项选择]Too much ______ to radiation can cause cancer or other damage to the body.
A. contact
B. exposure
C. disclosure
D. exhibition

[单项选择]Early cancer screening can help reduce significantly _____.
A. the death rates for all chronic diseases
B. the kinds of cancer attacking people
C. the cancer incidence rate
D. cancer death rate

[单项选择]From the text can see that the writer seems ______.
A. optimistic
B. sensitive
C. gloomy
D. seared

[单项选择]The tone of the text can best described as______.
A. optimistic and humorous
B. analytical but concerned
C. passionate but pessimistic
D. scholarly and cautious

[单项选择]Cancer is second only （） heart disease as a cause of death.
A. of
B. to
C. with
D. from

[单项选择]Many forms of cancer can be cured if detected early


A. selected
B. operated
C. developed
D. discovered

[单项选择]She _____ her research into the cause of cancer in spite of financial problems.
A. carried away
B. put forward
C. consisted in
D. persisted in