Most illicit cocaine in the U.S. is powder cocaine (cocaine hydrochloride), which is
A. also called rock or crack.
B. a form of ecstasy (MDMA).
C. too stable to be smoked.
D. usually contaminated with strychnine.
Question 2
What has kept paraldehyde from being widely used?
A. danger to the CNS
B. bad taste and odor
C. danger to the respiratory system
D. irritation to the gastric system