河北省沧州市颐和中学高中英语 Unit 4 Wildlife Protection词汇学案1 新人教版必修2(1).doc

河北省沧州市颐和中学高中英语 unit 4 wildlife protection词汇学案1 新人教版必修2【学习目标】1.理解、背诵所列词汇。2.运用所列词汇。【自主学习】1. decrease vi./ vt. _ in 在方面 from a to b 从减少到(搭配) decrease to 减少到 by 较少了 例句：1）这种鸟的数量在逐年减少。 the number of the bird _ every year. 2) 这份报纸虽然版面减少了，但是质量并未降低。 the newspaper has decreased _ size, but not _ quality.（拓展）反义词： _注意：指某物的“增长/减少”用increase/ decrease in sth. 其中的in 不可以用of 替代 (拓展) die away （声音、光线、风等）逐渐平息，减弱,强调过程the wind died away by dusk. die down（多指火、兴奋、光线、暴风雨等）逐渐变弱、平息，逐渐暗淡，逐渐降低。表示过程，常可与die away 替换die off （家族、种族等）相继灭亡，（草木）先后枯死 they had to watch their young childrendieoffthrough lack of food. die of 因而死，死于 （内因）后可以接“hunger; car accident; disaster” die from因而死，死于 （外因）后可以接“food; sorrow”3. loss n. _例句： 他将尽他最大的努力弥补损失。hell try his best _. 他妻子的去世对他是个很沉重的打击。 _ was a great blow to him.(拓展) at a loss _2. hunt vi./ vt. _例句： 他一整天都在猎取鹿(deer)。 he spent the whole day _. 她还在找新工作。 she is still _.(拓展) 表示“找，寻找”的短语： _ hunter _3. in peace _例句：两个家庭和睦相处。 the two families live together _.anyhow they cant live in peace with each other. _4. in danger (of ) _例句: if he keeps doing this, he will be in danger of losing his job. _(反义) out of danger _关于“危险”危险 n. _ ; adj. _安全 n. _ ; adj. _例句： the tiger is _, so the little girl is _.6. respond vi. _ 与其搭配的介词 _例句： she didnt respond to my question. _ the doctor responded that he couldnt tell the name of her disease. _ 他以微笑回应我的帮助。 _(拓展) 回应，回答 n. _7. mercy n. _(搭配) show mercy to _ at the mercy of _ its a mercy that _例句：its a mercy that the accident happened so near the hospital._ the judge showed no mercy to the drunk driver._ once sailors are at sea, they are at the mercy of the wind and waves._8. certain adj. _1) 某个，某些（前置定语）she left him for a certain reason. _(注意) a certain 表示“某一”； some 也可表示“某一”， 后接可数名词单数。2）确定的，确信的（表语，等于sure） to do 一定会做某事be certain that 确信例句：he is certain to win the race. = it is certain that he will win the race. _9. protect from _例句： the cover protects the machine from dust. _(相似结构) keep /