Unit 5 Working the Land Words and expressions 词汇学案（含答案，表格式） -2025-2026学年高中英语人教版选择性必修第一册

学校（高中部）20 级高二英语课时学案
班级 小组 姓名 编号 X1U5-1 使用时间
课 题 X1U5 WORKING THE LAND词汇课时学案 编制人 ROMAN
审核人
学习 目标 自主学习并掌握本单元重点单词及句式用法； 结合例句理解单词在语境中的意义；
学 案 内 容
1. devote vt. 把……献（给）；专心于devoted adj.挚爱的，忠诚的；devotion n.忠诚；奉献；祈祷 devote...to 把……用于；献身；致力；专心 be devoted to 对……专一/ 专注 devote oneself to 致力于，献身于 devote one’s life/time/energy/attention to...把某人的生命...奉献于... [基础练习] （1）You will never obtain success unless you are fully devoted _____________ your work. （2）The two professors made up their minds to devote all they had to _____________（set）up nature reserves. （3）Children have a limited attention span and can’t concentrate _____________ one activity for very long. 2. convince vt. 使相信；说服convinced adj.确信的，信服的；convincing adj. 令人信服的，有说服力的 be convinced of/that... 确信…… convince sb. of sth. 使某人相信某事 convince sb.to do sth. 说服某人做某事 [基础练习] （1）I’m not _____________（convince）that your idea will work，but I’ll keep an open mind on it. （2）Scientists are convinced _____________ the positive effect of laughter on physical and mental health. （3）Nobody could come up with a _____________（convince）reason why the dinosaurs died out. （4）She tried to convince him _____________（accompany）their children. 3.varieties of（=a variety of）许多各种各样的vary v.（使）不同，呈现差异；various adj.各种各样的； vary from...to...因……而有所不同 vary with... 随...而变化a variety of... 许多的；各种各样的 [基础练习] （1）Many kinds of animals have become endangered for _____________ variety of reasons. （2）The land _____________（vary） in height from 700 metres above sea level to over 2，000 metres. （3）Test scores vary _____________ school to school. （4）The menu often varies _____________ the season. 4. attain vt.（通常经过努力）获得；达到attainment n.获得；得到；达到;attainable adj.可获得的； attain knowledge获得知 attain one’s purpose达到目的 attain independence获得独立 attain this standard达到标准 attain one’s goal实现目标 attain one’s ideal weight达到理想的体重 [基础练习] （1）Devoted to his job，he finally_____________（attain）his goal. （2）The important thing in life is to have a great aim，and the determination _____________（attain）it. （3）I’m ashamed to say that I don’t _________________（实现我的目标）. （4）I’m determined __________________________　（达到目的）at any cost. 5.assumption n. 假定；设定;(责任的）承担；（权利的）获得 assume vt. 假定；设想　 make assumptions/an assumption about... 对…做假设;on the assumption that... 假定…假设… assume（that）... 假定……，认定……; assume...to be/as... 假定……是……，认定……是…… assuming 可以用作连词，表示“假设……为真；假如”，引导从句，此用法和supposing，providing，provided，given that 相似。 Assuming （that） he’s still alive，how old would he be now [基础练习] （1）The project was predicated on the_____________（assume）that the economy was expanding. （2）So we think it is reasonable _____________（assume） they lived in these caves. （3）My calculations were based on the _____________（assume）that house prices would remain stable. （4）_____________（assume）that we can’t get the necessary equipment，we will have to give it up. 6. overcome vt.（overcame，overcome）克服；解决；战胜overcomer n.得胜者 overcome one’s fear 克服某人的恐惧 overcome bad habits改掉恶习 overcome the enemy战胜敌人 [基础练习] （1）He struggled _____________（overcome） his shyness. （2）It was inspiring that our team easily _____________（overcome） their team in the final game. （3）He has enough courage _____________（overcome）the difficulty. 7. in turn 相应地；转而；依次；轮流 take turns to do/in doing sth. 轮流做某事 It’s one’s turn to do sth. 轮到某人做某事了 by turns 轮流地，交替地 [基础练习] （1）The children called out their names ___________turn. （2）It’s my turn ______________（make）inferences. （3）Theory is based on practice and ______________turn serves practice. （4）The book is，______________ turns，funny and sad. （5）Two days after the operation，the patient took a turn ______________ the worse. 8.alternative n. & adj. （1）n. 可供选择的事物 have no alternative/choice but to do=can’t choose/help but do...除做……之外别无选择 have the alternative of doing sth.有做某事的选择;an alternative to... 是……的替代物（to 是介词） 例I had no alternative but to accept the offer. New ways to treat arthritis may provide an alternative to painkillers(止疼药). adj.（仅用于名词前）可供替代的；非传统的 alternative energy 可替代能源 alternative ways/approaches/methods 其他的方法 alternative suggestions可供选择的建议 [基础练习]　 （1）The police had no alternative but ______________（set）the man free without enough evidence. （2）You can be paid in cash weekly or by cheque monthly；those are the two ______________（alternative）. （3）There must be an alternative ______________people sleeping on the streets. 9. focus on 关注，聚焦于 focus one’s attention/mind on 集中某人的注意力/ 心思于…;fix one’s attention on 把某人的注意力集中 concentrate on 集中（注意力、精力）于;pay attention to 注意; put one’s heart into 全神贯注于 [基础练习]　 When you only focus ______________a big goal，it’s easy to get burned out by the daily grind （2）With all his attention focused ______________ his study，no wonder he has made great achievements. （3）He lay in bed with his eyes ______________（focus）on the ceiling. （4）The noise made it hard for me ______________（focus）on the work. （5）There is too much noise. I can’t concentrate my attention ______________ the work. 10. depth n. 深（度）deeply adv.很深地;深刻地 depth n.深度; deepen v. 变深 ;deep adj. 深的 in depth 全面地；深入地；详细地 at a depth of 30 metres在 30 米的深处 a metre/foot in depth一米 / 一英尺深 [基础练习]　 （1）He was in the ______________（deep） of despair. （2）Sailors measure the depth ______________the water in fathoms（英寻）. （3）In this experiment the brave person had spent 130 days in a cave，30 feet ______________ depth. （4）It is not ______________（long）of life，but depth of life. 11.同位语从句 What keeps them from doing so is the fact that chemical farming serves the high demand for food around the world. 本句中 that引导同位语从句，对 fact 的具体内容进行解释说明。 （1）可以跟同位语从句的名词通常有 news，idea，fact，promise，question，doubt，thought，hope，message，suggestion，word（消息），possibility 等。 （2）引导同位语从句的引导词：①that，②whether，③what 、how，when，where、who 等。（注：if，which 不能引导同位语从句） [基础练习]　 （1）When the news came ______________her students attained their dreams，she jumped with joy. （2）Do you have evidence ______________ this treatment works （3）The only way to succeed at the highest level is to have total belief ______________ you are better than anyone else on the sports field. 12.make use of 利用；使用 make full/good use of 充分利用=make the best/the most of 充分利用 [基础练习] （1）You can ________________________（随意使用）it as you like. （2）You’d better ________________________　（利用空闲时间） to take exercise. （3）Every minute should ___________________________（被充分利用来学习） our lessons well. （4）Do you know any other __________ we can__________ the mobile phone （你知道手机其他用途吗？） 13.expand vi.扩大;增加;膨胀 vt.发展(业务) expansion n.扩大；膨胀expansive adj.广阔的广泛的 (写出下列句中expand的中文含义) You should read English newspapers to expand your vocabulary. ②The popular ceramics industry expanded toward the middle of the 19th century. ③Metals expand when they are heated. [辨析比较] expand,extend，spread，stretch expand：(使)(尺寸、数字或数量等)扩大;增加(活动量);扩大(活动范围) extend：延伸,延长(建筑或道路、时间等);扩大(控制、影响力等);伸展(手臂、腿等) spread：把(物)铺开;(疾病、感情或火等)蔓延;(消息、思想)流传，传播;扩展(面积);张开(手臂等) stretch：伸展,拉长,一般指由曲变直、由短变长的伸 展,不是加长 14.take on 从事:呈现;承担;开始;雇用　 take back 带回:收回 take in 吸收;接纳;欺骗;理解 take away 带走;剥夺 take up 占据;从事 take over 接管 15.increase v.&n.增加 increasing adj.不断增长的;increasingly adv.越来越多地，不断增加地 increase by 增加了 increase to 增加到 on the increase 正在增加;正在增长 (2)decrease v.减少;减小;降低n.减少;减小;减少量 decrease by 减少了 decrease to 减少到 on the decrease在减少;在下降 [基础练习] 1.The number of students has increased __________ 500. 2.The pressure at work is ________ the increase in all occupations.
答案：
1.(1)to (2)setting (3)on
(1)convinced (2)of (3)convincing (4)to accompany
(1)a (2)varies (3)from (4)with
(1) attained(2) to attain(3) attain my goal(4) to attain my purpose
(1) assumption(2) to assume(3) assumption(4) Assuming
(1) to overcome(2) overcame(3) to overcome
(1) in(2) to make(3) in(4) by(5) for
(1) to set(2) alternatives(3) to
(1) on(2) on(3) focused(4) to focus(5) on
(1) depths(2) of(3) in(4) the length
(1) that(2) that(3) that
(1) make free use of(2) make use of your free time(3) be made full use of to study(4) uses; make of
扩大；发展、壮大（规模、业务、产业等）；膨胀（物理意义上的体积增大）
15.(1) to(2) on