人教版英语高一必修2unit 4 New words.docVIP

New words 1.decrease vt/vi 变小，减少 The population of the village has to/by 500 .(该村的人口减少到500人/ 减少了500人。) increase/ decrease/ reduce to /by to 表示增加到或减少到 ，by 表示增加了或减少了. 反意：increase 同意：reduce 2. die out 指（动物植物）的灭绝，（风俗，习惯等的）逐渐消失；（火，光等的）逐渐熄灭。 eg: a) This kind of bird is .(这种鸟快要灭绝了。) b) The fire is .you had better add some firewood .(火快灭了，你最好添些柴火。) c) That custom years ago . (那种风俗习惯许多年前就消失了。) 拓展：die away 指声音，风，光逐渐消失。 die off 指一群生物相继死去。 die down 指物质特性或情感逐渐平息。die out 家族，种族，灭绝，死绝或做法、观念完全消失，绝迹。die of /from 因……而死 die for 为……而死 Practice : The poor man died of/from cold and hunger . Soon his excitement died down and he realized how difficult the journey would be. The members of the family died off for a strange reason . He died for his country. (他为国捐躯了。) 3.hunt vt/vi eg : He likes very much . 常见短语： go hunting 去狩猎 hunt for 有哪些信誉好的足球投注网站 = look for = search for = be in search of hunt for a job 找工作hunt for fame / money 追求名誉/金钱 4. in peace 和平地，安静地，和睦地 peace n .安静、平静、和平、太平peaceful adj . peacefully adv . at peace 处于和平状态 eg : a) Do not disturb her .Just leave her in for a while . (别打扰她，让她平静一会儿。) b) The two nations used to be at war with each other , but now they are . (这两国一度交战，但现在它们和平共处。) 5. in danger (of) (作定或表语) 处于危险状况，在危险中，指句子主语或所修饰的人或物受到威胁 eg . a) He was losing his life .(他有生命危险。) b) He realized that he was . (他意识到自己处境危险。) ▲ out of danger 脱离危险eg: He has been very ill ,but he is now out of danger . 拓展 ：dangerous adj .危险的 （指给别人造成危害或危险）endanger vt 危害，使受到危险 endangered adj .濒危的 eg a).He is dangerous . / The bridge is dangerous .b).He is in danger . Practice endanger dangerous in danger out of danger eg : a) Do not touch the tiger ,it is ______________ . b) . Smoking _______________your health . (吸烟危害你的健康。) c) . When she came to hospital, she was ,but now she is ___________________ . 6. in relief 如释重负，松了口气 relief n. (焦虑，恐惧，痛苦的)减轻，缓解，宽慰，减轻痛苦的事物。 eg : a) The doctor’s treatment gave some .(医生的治疗稍使病情减轻。) b) To my great ,the difficulties were al