Modern epidemiologists are still involved with______the causes of diseases.
A: deriving
B: originating
C: provoking
D: tracing
A: deriving
B: originating
C: provoking
D: tracing
举一反三
- Since 1939, numerous scientific studies ______. A: proved smoking causes fatal diseases B: proved smoking causes life-shorting diseases C: proved smoking is a health risk D: had been made to prove whether smoking causes life shorting
- According to Aleem Walji, the company"s first project is to （） A: set up a new system to warn people of infectious diseases B: cure patients of infectious diseases C: identify the causes of infectious diseases D: find out where infectious diseases are developing
- 2. According to Aleem Walji, the company’s first project is to ________. A: set up a new system to warn people of infectious diseases B: find out where infectious diseases develop C: identify the causes of infectious diseases D: cure patients of infectious diseases
- Modern science has given clear evidence ______ smoking can lead to many diseases. A: that B: what C: if D: which
- Smoking and ________ is risk factor that leads to various diseases. It has become world’s top 8 causes of death.