选择性必修一UNIT5 单词学案1. devote vt. devoted adj. devotion n.devote one's life/ energy/time/money/attention to (doing) sthdevote oneself to=be devoted toYou will never gain success unless you are fully devoted to your work.Devoted entirely to his work, he is highly thought of by his colleagues for his devotion to the job.2. shortage There is no shortage of funds.3. tackle tackle the problemtackle sb. about sth 与某人交涉某事The first reason to tackle these problems is to save children's life.I tackled him about the money he owed me.4. boostboost sb's confidence/morale增强某人的信心/士气a great /welcome boost很大的/反应热烈的激励Winning the competition was a wonderful boost for her morale.5. yieldThe research has yielded useful information.yield to sth/sb向…屈服/让步I yielded to temptation and had a chocolate bar.6. convince vt.convincing adj. 令人信服的convinced adj. 确信的/深信的convince sb. to do sth/ persuade sb. to do sth. / into doing sth. / argue sb. into doing sth/ talk sb into doing sth说服某人去做某事convince sb of sth 使某人相信某事convince sb that…I tried to convince myself that the trouble was with the problem itself,not with me. Scientists are convinced of the positive effect of laughter on physical and mental health.7. characteristic n. 特征，特点adj. 典型的，独特的It's characteristic of him to put off his plan.He described the character of the character he played with two Chinese characters. 8. attain vt. attainment n. attainable adj.attainable goals/ objectives/targetsThe important thing in life is to have a great aim and the determination to attain it. 9. conventional adj. 传统的，习惯的convention n. 传统，习俗，常规，惯例social conventions社会习俗by convention 按惯例10. assumption n. assume vt.assuming (that)…假定…The project was predicted on the assumption that the economy was expending.It's generally assumed that stress is caused by too much work.Assuming that you get a place at university, how are you going to finance your studies?11. intensean intense lookintense heat/ cold/ painher intense blue eyesthe intense interest/ pleasure/ desire/ anger/competition12. overcome vt. (overcame/ overcome)Were it not for the support of the teachers, the student couldn't overcome her difficulty.The author's story tells me that I should be confident and practice hard to overcome difficulties in my life.13. expand v.expansion n. 扩张，扩大，膨胀expand…into… 扩展成为…expand on/upon 详述，进一步说明an expanding economy 不断发展的经济In order to expand my knowledge of Tianjin, such as its history, tradition and food, I spend every spare moment I have in the library.It's a fact that iron expands when it's heated.14. estimateThe cost of relating it was estimated at $800.15. domesticdomestic affairs/politics/flights国内事务/政治/航班domestic appliances 家用电器We adopt an active attitude towards drawing on overseas fund to make up for domestic fund shortage.16. be comprised of 包括；包含；由…组成comprise vt. 包括；包含be comprised of =consist of=be composed ofThe committee is comprised of/ consists of/ is made up of ten members.17. generate vt. generation n. 产生；一代The electric plant is able to generate enough electricity for 2, 000 hones. Brainstorming is a good way of generating ideas.18. depend ondepend on sb. to do sth. /doing sth. 指望某人做某事depend on 须先接形式宾语it再接that从句。

类似用法如see to, answer for, rely on, count on, insist on, stick to等。

You can depend on it that he can do the job well.I'm depending on you to tell me everything.19. leisure n. 休闲；闲暇at leisure 闲散；悠闲；不慌不忙at one's leisure有空时；空闲时These days we have more money and more leisure to enjoy nature.20. far from 远非；完全不是far from (being ) the case远非如此far from sth. 几乎相反；远非It's far from clear what he intends to do.The art show was far from being a failure; it was a great success.21. deep down 在内心深处；本质上；实际上She seems indifferent, but deep down she's very pleased.22. envision vt. 展望；想象vision n. 想象；视力；视野I can't envision him doing such a terrible thing.He's a good day_to_day manager, but he lacks vision.23. reality n. 现实；实际情况；事实real adj. 真的；真实的really adv. 真正地in reality事实上In reality, it's the chair that does the important work.24. dream up凭空想象，设想出来He was continually dreaming up new. techniques to promote the business.25. nutritional adj. 营养的nutritious adj. 有营养的nutritious 意思是有营养的；指事物或食物的用途，给人带来营养；nutritional 意思是营养的；指事物的性质，即有关营养方面的知识或有关营养学方面的知识。

eg. 1. The apple is nutritious.2. Mr. Li is studying the nutritional knowledge.nutrition n. 营养；滋养the nutritional value of milkCooking vegetables for too long lessens their nutritional value.26. flavor n. 味道；特点；特色vt. 给… 调味flavor sth. with sth. 用… 给… 调味The tomatoes give extra flavour to the sauce.27. widespread adj. 分布广泛的；普遍的；the widespread use of chemicals in agriculture28. in turn 相应地；by turns 轮流take turns to do sth. 轮流做某事It's one's turn to do sth. 轮到某人做某事in return 作为回报29. digest v. 消化；领悟n. 摘要；概要digestive adj. 消化的digestion n. 消化；领悟digest ill 难消化digest well/ easily 易消化read a digest 阅读一份摘要He paused, waiting for her to digest the information.30. essential adj. 完全必要的；极其重要的be essential to/for sth. 对某物来说极其重要It is essential to do sth.It is essential that… (should ) do sth.Emotional health is essential to a wonderful adult life.31. alternative n. 可供选择的事物adj. 可供替代的；非传统的an alternative to… … 的替代品have no alternative/choice but to do sth. 别无选择只能做某事I have no alternative but to report him to the police.32. for instance 例如；比如instance n. 例子；实例；事例in this instance 在这种情况下Crown Plaza, for instance, has a wake- up call guarantee.In this instance, the best solution is to send. a quick , light-hearted apology to explain your awkwardness.33. depth n. 向下的距离；深度at the depth of在…的深度in depth 全面；深入；详细be out of one's depth非某人所能理解；为某人力所不及the depths of sth.(坏情绪或坏情况)最强烈的时刻，最糟糕的时候Plant the beans at a depth of about six inches.I haven't looked at the report in depth yet.She was in the depth of despair.I felt completely out of my depth at the meeting.34. root n. 根，根部，根源v. 扎根于rooted adj. 根源在于root in 扎根于be rooted in 根植于Money, or love of money, is said to be the root of all evil.I have a dream which is rooted in my heart.35. entirely adv. 全部地；完全地entire adj. 整个的，完全的He is biking across Europe, surviving entirely on discarded food.36. aspect n. 方面；层面in every aspect / in all aspects 在各个方面from every aspect 从各个方面Technological change is everywhere and affects every aspect of life, mostly for the better.。