填空题
- 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
填空题
Early discovery of breast cancer may 1.
填空题
Advantages of screening younger women are 1.
填空题
Delaying the age at which screening starts may 1.
填空题
Radiation exposure should be 1.