高中英语Module 2 No Drugs学案外研版必修2

Module Two No Drugs 一、重点单词讲解1．addiction n. [U] 上瘾；沉溺；吸毒成瘾（“对……上瘾”用“addiction to…”）e.g.I believe you can overcome your addiction to drugs. 我相信你能克服毒瘾。词性变化：addictive adj. 使人上瘾的;addict n. [C] 上瘾的人；vt 使上瘾addicted adj.（对……）上瘾（be addicted to） e.g.He became addicted to the drug.他上了毒瘾。The children are addicted to computer games.孩子们对计算机游戏上了瘾。2．danger n. 危险；风险；危险（人）物；危害e.g.In war, a soldier’s life is full of danger.在战争中，士兵的生命充满了危险。A busy street is a danger to children.交通流量大的街道对小孩子很危险。（“对……危险”用“danger to…”）常用短语：in danger 处于危险中 out of danger 脱险e.g.She fell into a river and was in danger.她跌入河中，处于危险之中。The boy has been out of danger.这男孩已经脱险。词性变化：danger n. 危险；危险的人或物 dangerous adj. 危险的;dangerously adv. 危险地endanger vt. 危及；危害；使遭到危险 3. powerful adj.1) 强有力的: The headmaster is a powerful man. 校长是个强有力的人物。2) 极大的: Her imagination is too powerful.她的想象力太丰富。3) 强的；强烈的: Onions have a powerful smell. 4) 有势力的4．reduce vt. 缩减（体积、数量、程度、价格等）；减小；减少；降低（减少了多少，用 by；减少到多少，用 to，reduce 的同义词是 decrease，反义词是 increase）e.g.She reduced her weight by 5 kilograms by taking exercise.通过做运动，她的体重减了 5 公斤。The number of the people in that club has reduced to about 30.那个俱乐部里的人数已经减少到了 30 左右。5．crime n. [U] 犯罪活动，不法行为，罪行[C]；罪e.g.Crime is on the increase in big cities.在大城市里，犯罪正在逐渐增加。Killing people is a crime.杀人是一种罪行。常用短语：commit/do a crime 犯罪e.g.He committed a crime. 他犯了罪。词性变化：criminal n. 罪犯，犯罪者; adj. 犯罪的，犯法的，罪恶的6．connection n. [U] 连接；联结 [C]连接点；连...