The sequence of reagents used in Gram staining is () A: Safranin solution → iodine solution → alcohol →<br/>crystal violet B: crystal violet → alcohol → iodine solution → Safranin<br/>solution C: Crystal violet → iodine solution → alcohol → Safranin<br/>solution D: Safranin solution → alcohol → crystal violet → iodine<br/>solution E: Safranin solution → crystal violet → iodine solution →<br/>alcohol

It’s not good to drink alcohol on an _____ stomach.

Cigarette and alcohol ______________ (有害)your health.

Which of the following is not a rule on alcohol in different colleges in the US? A: Freshmen should take an alcohol prevention and education program. B: Alcohol is banned from all buildings in some colleges. C: Students will be expelled for drinking on campus. D: Parents will be informed of students drinking violations.

The council has___ a ban on alcohol in city parks.

What is the effect of alcohol consumption on functions of the body?

Drinking alcohol during pregnancy can have various adverse effects on fetal development, the most serious of which is fetal alcohol syndrome A: 正确 B: 错误

According to Dr. Sacco,______. A: different wines work differently on drinkers at stroke risk B: nondrinkers should also consume a moderate amount of alcohol C: drinkers should keep to one kind of alcohol to ward off strokes D: moderate alcohol consumption protects against strokes

According to Dr. Sacco, ______. A: different wines work differently on drinkers at stroke risk B: non-drinkers should also consume a moderate amount of alcohol C: drinkers should keep to one kind of alcohol to ward off strokes D: moderate alcohol consumption protects against strokes

If you don't drink any alcohol, you are a(an) ___.