A. Also the virus thrives in humidity.
B. Drink lots of fluids to avoid dehydration.
C. They are responsible for anywhere between a third and half of all common colds.
D. Get enough sleep and you’ll certainly feel better.
E. So why are we particularly vulnerable(脆弱的) this season?
F. Wash your hands regularly.
G. It’s winter and you have probably noticed germs are everywhere.
【答案】71.G 72.E 73.A 74. C 75.F