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【高二学案17】人教版高中英语选择性必修一 Unit 5 Working the Land 课时1 词汇专项学案
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【高二学案17】人教版高中英语选择性必修一 Unit 5 Working the Land 课时1 词汇专项学案
作者：Risibo
一、学习目标
知识目标
掌握农业、粮食安全主题核心词汇、短语及词性转换；熟记杂交水稻、粮食危机类固定搭配，区分devote/attain/overcome易混动词，掌握devote to、under no circumstances高考高频介词搭配。
能力目标
独立完成词形变换、短语默写、英汉互译；运用核心词汇完成单句填空与语境翻译，夯实词汇语境运用与高考考点基础。
学科素养目标
学习袁隆平等农业科研者毕生奉献的家国精神，树立粮食安全、节约粮食的责任意识，培养吃苦耐劳、持之以恒的奋斗品质。
二、教学重难点
重点
devote, shortage, tackle, crisis, expand, estimate, attain, overcome, conventional, generation 词形变化与固定搭配
难点
devote oneself to doing固定结构；attain与achieve词义区分；estimate动名词用法；under no circumstances句首倒装规则
三、课前预习案
任务1：核心词汇+词形变形
1. devote v. 致力于；奉献 → devoted adj. 忠诚的；献身的 → devotion n. 奉献
2. shortage n. 短缺；不足 → short adj. 短缺的
3. tackle v. 处理；应对；解决
4. crisis n. 危机（复数crises）
5. expand v. 扩大；拓展 → expansion n. 扩张；增产
6. estimate v. & n. 估算；估计 → estimation n. 评估
7. attain v. （经过努力）达到；获得
8. overcome v. 克服；战胜（过去式overcame，过去分词overcome）
9. conventional adj. 传统的；常规 → convention n. 传统；惯例
10. generation n. 一代；一代人 → generate v. 产生；催生
任务2：单元必背短语
1. devote oneself to scientific research 投身科研
2. food shortage 粮食短缺
3. tackle food crisis 应对粮食危机
4. expand grain production 扩大粮食产量
5. attain high yields 实现高产
6. overcome difficulties 克服困难
7. conventional farming methods 传统耕作方式
8. a new generation of farmers 新一代农民
9. on the basis of experiment data 基于实验数据
10. under no circumstances 决不；无论如何都不
任务3：预习自测（英汉互译）
1. devote all one’s life to hybrid rice research ____________
2. tackle the global food shortage problem ____________
3. 大幅扩大国内粮食生产 ____________
4. 历经磨难实现增产目标 ____________
5. 摒弃落后传统耕种模式 ____________
四、课堂探究案
探究1：核心单词精讲+课本原句
1. devote v. 致力于；奉献
原句：Tu Youyou devoted herself to the research of anti-malaria medicine.
必考搭配：devote oneself to (doing) sth. 致力于做某事；devote one’s life to sth. 毕生投身某事
2. attain v. （付出长期努力）达到，获得
搭配：attain one’s goal / attain high output 实现目标/获得高产
拓展例句
3. We must tackle the worldwide food crisis with joint efforts.
4. The new policy helps expand local grain output year by year.
5. After decades of hard work, they finally attained their production target.
6. Farmers overcame many natural disasters with new technology.
7. Conventional ways of farming waste plenty of water and land.
探究2：易混辨析
attain / achieve / get
attain：侧重长期艰苦付出后达成宏大目标，书面正式，多用于事业、产量、理想
achieve：泛指通过努力取得成就，普通书面
get：普通口语，单纯得到某物，无奋斗含义
overcome / defeat / beat
overcome 克服困难、灾害；defeat 击败对手、队伍；beat 打赢人
探究3：课堂对点练习
基础过关（单句填空）
1. Yuan Longping devoted all his life to ________ (develop) hybrid rice.
2. Under no circumstances ________ we waste any grain of food.
能力提升翻译
1. 袁隆平毕生投身杂交水稻研究，成功解决了粮食短缺难题。
2. 依靠现代农业技术，我们能够克服各类农业生产困难。
五、课后巩固案
基础过关（单句填空，10题）
1. His lifelong ________ (devote) to agriculture won nationwide respect.
2. Many countries are faced with food ________ (short) in poor areas.
3. Scientists work together to ________ (tackle) global food risks.
4. The world faces a serious food ________ (crisis) every few years.
5. New policies help ________ (expand) domestic grain output.
6. It is hard ________ (estimate) the total grain demand of the world.
7. They ________ (attain) a record high yield after years of experiments.
8. Farmers ________ (overcome) heavy floods last summer.
9. Many villagers gave up ________ (convention) farming styles.
10. A new ________ (generate) of young scientists takes over the research work.
能力提升（短语填空，10题）
选用短语：devote oneself to, food shortage, tackle food crisis, expand grain production, attain high yields, overcome difficulties, conventional farming methods, a new generation of, on the basis of, under no circumstances
1. The old scientist ________ hybrid rice research for over 50 years.
2. Many African countries are suffering from serious ________.
3. All nations should unite to ________ together.
4. Modern technology helps ________ in rural areas.
5. The research team ________ through repeated tests.
6. We should learn new skills instead of sticking to ________.
7. ________ agricultural researchers carry on the old scientist’s dream.
8. We draw conclusions ________ real field experiment results.
9. ________ shall we throw away edible food.
10. Hard work enables us to ________ in agriculture.
高考链接（语法填空，10空）
1. Yuan Long devoted all his life ________ hybrid rice research.
2. Many poor areas are suffering ________ food shortage.
3. Countries should work together ________ tackle global food risks.
4. New measures are taken ________ expand local grain output.
5. They attained high yields ________ repeated field tests.
6. Farmers overcame natural disasters ________ the help of new tech.
7. We should not stick ________ old conventional farming ways.
8. ________ (generate) new hybrid rice helps solve hunger problems.
9. Judgements are made ________ real agricultural data.
10. Under no circumstances ________ we waste food resources.
六、参考答案
预习自测
1. 毕生投身杂交水稻研究
2. 应对全球粮食短缺问题
3. greatly expand domestic grain production
4. attain production targets through hardships
5. abandon backward conventional farming modes
课堂对点练习
基础过关
1. developing
2. will / shall
能力提升翻译
1. Yuan Longping devoted all his life to hybrid rice research and successfully solved the problem of food shortage.
2. Relying on modern agricultural technology, we can overcome all kinds of agricultural production difficulties.
课后巩固
基础过关
1. devotion
2. shortage
3. tackle
4. crisis
5. expand
6. to estimate
7. attained
8. overcame
9. conventional
10. generation
能力提升
1. devoted himself to
2. food shortage
3. tackle food crisis
4. expand grain production
5. attained high yields
6. conventional farming methods
7. A new generation of
8. on the basis of
9. Under no circumstances
10. attain high yields
高考链接
1. to
2. from
3. to
4. to
5. through
6. with
7. to
8. Generating
9. on
10. will / shall
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