The most commonly used substances excludes. ( )
A: caffeine
B: alcohol
C: nicotine
D: tea
A: caffeine
B: alcohol
C: nicotine
D: tea
举一反三
- _____<br/>the engines, the diesel engine is _____ used engine on board. A: Between / more commonly B: Among / the most commonly C: Between / not more commonly D: Among / not the most commonly
- The most commonly used types of evidence are: ( )
- In present-day Mandarin, jiǔ most commonly refers to . A: beer B: wine C: liquor and spirits D: alcohol
- In present-day Mandarin, jiǔ most commonly refers to( ). A: alcohol B: wine and spirits C: wine D: beer
- The following substances are used in Gram staining except A: iodine B: crystal violet C: alcohol D: safranin E: congo red