Radiation exposure should be ___________. 查看材料
A. be costly
B. harmful
C. save a life
D. still open to debate
E. reduce the risk of radiation triggering a cancer
F. reduced to the minimum
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Paragraph 5 ___________ 查看材料
A. Harm Screening May Do to a Younger Woman
B. Small Risk of Inducing Cancers from Radiation Models
C. Investigating the Effect of Screening
D. Effects Predicted by Two Different
E. Treatment of Cancers
Factors That Trigger Cancers
Early discovery of breast cancer may ___________. 查看材料
A. be costly
B. harmful
C. save a life
D. still open to debate
E. reduce the risk of radiation triggering a cancer
F. reduced to the minimum
MSR-I is specifically designed for __________. 查看材料
A. making inside-eye examinations
B. surgeons to perform. delicate operations
C. cutting off tumors in human body
D. medical students to practice simulated surgery
The phrase "scale down" in Paragraph 3 probably means to __________.
A. "reduce according to proportion"
B. "reduce according to a fixed pattern"
C. "diminish infinitely"
D. "eliminate gradually"
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