The best way to keep yourself from getting colds is___________
A. to keep yourself clean
B. to use a disinfectant soap
C. to take two aspirin pills every day
D. to drink lots of water
查看答案
A. onlyB. soleC. IonelyD. alone
A. only
B. sole
C. Ionely
D. alone
Stephanie Denton is an expert___________
Written materials constitute the best form. of continuing medical education.
A. Right
B. Wrong
C. Not mentioned
FDA based its order upon a wide investigation of sleep-driving.
A. Right
B. Wrong
C. Not mentioned