Transmission can occur except when: ( )
A: blood is exchanged by contaminated transfusion or needle sharing, e.g., hepatitis C
B: exchange of saliva by mouth, e.g., Epstein-Barr virus;
C: contaminated food or water is digested
D: body fluids are exchanged during sexual activity, e.g., HIV
A: blood is exchanged by contaminated transfusion or needle sharing, e.g., hepatitis C
B: exchange of saliva by mouth, e.g., Epstein-Barr virus;
C: contaminated food or water is digested
D: body fluids are exchanged during sexual activity, e.g., HIV
举一反三
- Few words （） after the meeting. A: did they exchange B: they exchanged C: they did exchange D: exchanged they
- Prions are considered “_________” because they can also spread from an affected individual to a normal individual via contaminated food, blood, or surgical instruments.
- You can ____ this shirt for that blouse over there. A: exchanged B: exchanging C: exchange D: to exchange
- These use fuel (e.g. petrol) A: ike B: us C: plane D: ship E: train
- Productsthatarepartofaone-timeproductionprocess(e.g.,bridgesoraircraftcarriers)wouldmostlikelyusewhichformofMPC?