例句與造句

1. The film answers many questions about cannabis, including the purported health effects of cannabis use, the gateway drug theory, and what could happen if cannabis was legalized.
2. Gateway drug theory may argue that marijuana usage leads to usage of harder drugs, but hard drug usage may lead to marijuana usage ( see also " confusion of the inverse " ).
3. The IOM also found that the gateway drug theory was " beyond the issues normally considered for medical uses of drugs and should not be a factor in evaluating the therapeutic potential of marijuana or cannabinoids ."
4. Although by this time there was adequate testimony to refute the claim that marijuana caused insanity, criminality, or death, the rationalizations for these laws shifted in focus to the proposition that marijuana use led to the use of heroin, creating the gateway drug theory.
5. It's difficult to find gateway drug theory in a sentence. 用gateway drug theory造句挺難的