吸毒者也有遗传成分?

2. addiction n. 瘾，吸毒成瘾
例句：He is now fighting his addiction to alcohol.
他现在正努力戒酒。

3. identify vt. 认出, 识别
例句：Would you be able to identify the man who robbed you?
你能够认出那个抢你东西的人吗?

4. congenital adj. 先天的; 天生的
例句：He has a congenital heart defect.
他有先天性心脏缺陷。

5. predispose vt. 使倾向于做；使易于患(病)
例句：His lifestyle predisposed him to high blood pressure.
他的生活方式容易使他患高血压。

6. evident adj. 明显的, 明白的
例句：It is evident that smoking is harmful to health.
很明显, 抽烟对健康有害。

7. switch v. 转变, 改变
例句：They kept switching meeting places.
他们不断改变碰面的地点。

8. resist vt. 忍耐,忍住
例句：I couldn't resist the temptation to tease Ollie.
我忍不住要逗奥利玩。

9. temptation n. 诱惑, 诱惑物
例句：The purse on the table was a strong temptation to the poor child.
桌上的钱包对那个穷孩子是一个强烈的诱惑。

10. overcome vt. 战胜;克服
例句：The learner of a second language has many obstacles to overcome.
第二语言学习者有许多障碍要克服。