What was the attitude of doctors towards weight training in health improvement

A．has become an essential part of people's life
B．may well affect the health of the trainees
C．will attract more people in the days to come
D．contributes to health improvement as well

A．Nuclear Energy and Public Safety
B．Uranium Ore and Its Characteristic
C．Scientific Approach to Dispose of Nuclear Wastes
D．Nuclear Process and Its Wastes