本次精选Unit5 高考TOP10必考核心词汇，全部筛选自课本原版词库，覆盖语法填空词形变形、完形熟词生义、阅读词义辨析、写作高分句式、读后续写场景运用五大高考核心题型。讲义剔除冷门知识点，聚焦高频得分点，配套原创分层练习题，难度严格贴合高中课标与高考命题规律，，可直接打印刷题、考前复盘、课堂教学使用。

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✅高考核心考点（语法填空+写作必考）

高中超高频动词，固定搭配为高考必考重点，侧重考查非谓语变形与介词搭配，是写作励志类话题万能高分词。

✅必考固定搭配（90%学生易错）

devote ... to (doing) sth. 把……致力于/用于（做）某事 devote oneself to (doing) sth. 献身于、专心于（做）某事 be devoted to (doing) sth. 致力于；忠诚于（to为介词，后接动名词）

✅词形变形（语法填空高频）

devoted adj. 忠诚的；专心的｜devotion n. 奉献；忠诚；挚爱

✅高考真题例句

She has devoted most of her spare time to volunteering work. 她把大部分业余时间都投入到了志愿工作中。

2. tackle /ˈtækl/ vt. 解决；处理（难题、危机）

✅高考核心考点（阅读+写作高频）

高考写作替换solve/deal with的高级词汇，完形填空常考“应对困境、处理问题”语境，适配环保、社会问题、个人成长类话题。

✅黄金固定搭配

tackle a problem/crisis/issue 解决问题/应对危机 tackle the root of the problem 从根源上解决问题

✅同义高分替换：address、cope with、deal with

✅高考真题例句

The government is taking effective measures to tackle environmental pollution. 政府正采取有效措施解决环境污染问题。

3. boost /buːst/ vt. 提升；促进；使兴旺 n. 增长；激励

✅写作满分高频词

高考书面表达超级万能词，可替换increase、improve，适配经济、信心、能力、产量等各类写作场景。

✅必考搭配

boost confidence/efficiency 增强信心/提升效率 boost the economy 促进经济发展 give sb. a boost 给某人鼓励与支持

✅词形拓展：booster n. 助推器；支持者

4. yield /jiːld/ vt. 出产；产生 vi. 屈服；让步 n. 产量

✅高考双义考点（完形+阅读难点）

一词双考：一是“产出、获利”（农业、经济语境）；二是屈服、让步（情感、困境语境），为高考高频熟词生义。

✅核心固定搭配

yield high profits/results 产生高额利润/良好成效 yield to pressure/difficulty 屈服于压力/向困难妥协

✅反义拓展：unyielding adj. 不屈不挠的（写作励志高分词）

5. convince /kənˈvɪns/ vt. 说服；使确信

✅语法填空必考搭配

高频辨析 persuade 与 convince，侧重“使人内心信服”，词形变形为考试热点。

✅黄金搭配

convince sb. of sth. 使某人相信某事 convince sb. to do sth. 说服某人做某事 be convinced of/that... 坚信……

✅词形变形：convinced adj. 坚信的｜convincing adj. 令人信服的

6. attain /əˈteɪn/ vt. （努力后）获得；达到；实现

✅写作升级词汇

高考高分替换achieve/get，侧重“经过长期努力达成目标、获得成就”，适配成长、励志、追梦类作文。

✅必考搭配

attain one’s goal/ambition 实现目标/达成抱负 attain success/recognition 获得成功/得到认可

✅变形考点：attainable adj. 可实现的｜unattainable adj. 难以企及的

7. overcome /ˌəʊvəˈkʌm/ vt. (overcame, overcome) 克服；战胜；压倒

✅读后续写+写作核心词

高考励志类话题必备词汇，常考克服困难、战胜恐惧、摆脱困境，不规则变形为语法填空高频考点。

✅固定搭配

overcome difficulties/obstacles 克服困难/障碍 overcome fear/self-doubt 克服恐惧/自我怀疑 be overcome by emotion 被情绪打动

8. expand /ɪkˈspænd/ vt.&vi. 扩大；扩展；膨胀；详述

✅阅读+写作高频词

侧重范围、规模、知识、市场的拓展，区别于普通increase，是书面表达升级词汇。

✅核心搭配&变形

expand knowledge/vocabulary 拓展知识/词汇量 expand overseas market 拓展海外市场 expansion n. 扩张；拓展（语法填空变形考点）

9. alleviate /əˈliːvieɪt/ vt. 减轻；缓解

✅高考话题高分词

适配环保、民生、心理类高考作文，替换简单单词reduce、ease，提升作文高级度。

✅必考搭配

alleviate pressure/stress 缓解压力 alleviate poverty/hunger 缓解贫困/饥饿 alleviate pain/suffering 减轻痛苦

10. essential /ɪˈsenʃl/ adj. 至关重要的；必不可少的 n. 必需品

✅高考超级重点句式（虚拟语气）

It is essential (for sb.) to do sth. （某人）做某事至关重要It is essential that sb. (should) do sth. 从句虚拟语气，should可省，必考语法点

✅高频搭配

essential for/to sth. 对……必不可少｜essential skills 必备技能

✅变形拓展：essentially adv. 本质上；根本上

题型全覆盖：词形填空+单项选择+中英翻译，精准考查单词变形、固定搭配、语境辨析、写作应用，完全适配高中考纲与高考命题逻辑，无偏题、无错题。

题型一：单词词形填空（每空1分，共10分）

用括号内所给单词的正确形式填空

1. He devotes all his energy to ________ (improve) his academic performance.

2. The government is looking for new ways ________ (tackle) unemployment problems.

3. Positive attitudes can greatly ________ (boost) our confidence in facing challenges.

4. Never ________ (yield) to difficulties if you want to attain your dreams.

5. I managed ________ (convince) my teacher to give me more chances to practice.

6. Only by hard work can we ________ (attain) long-term success in life.

7. She finally succeeded in ________ (overcome) her shyness in public.

8. Reading widely helps ________ (expand) our horizons and knowledge.

9. Effective measures are taken ________ (alleviate) the pressure of students.

10. It is essential that we ________ (develop) good living habits.

题型二：单项选择（每题2分，共20分）

1. He is fully ________ to his teaching career and wins respect from all students.  A. devoted  B. addicted  C. related  D. exposed

2. We need to come up with creative methods to ________ the tough problem.  A. confirm  B. tackle  C. command  D. switch

3. Regular exercise can ________ your energy and improve your physical health.  A. boost  B. secure  C. melt  D. ban

4. Strong-willed people will never ________ to failure or pressure in life.  A. appeal  B. yield  C. adapt  D. refer

5. Her sincere words ________ me of the importance of persistent efforts.  A. convinced  B. persuaded  C. advised  D. promised

6. Through continuous efforts, she finally ________ her lifelong dream of becoming a designer.  A. expanded  B. attained  C. tackled  D. boosted

7. With courage and determination, we can ________ all kinds of obstacles on the way to success.  A. overcome  B. expand  C. alleviate  D. attain

8. The company plans to ________ its business scale to attract more overseas customers.  A. switch  B. expand  C. boost  D. secure

9. Communication plays a key role in ________ the conflict between people.  A. expanding  B. attaining  C. alleviating  D. overcoming

10. It is ________ for teenagers to develop independent thinking ability.  A. visible  B. essential  C. remote  D. routine

题型三：中英互译（适配高考写作·长横线版）

英译汉

1. We should actively tackle difficulties and boost our ability through continuous practice.  ____________________________________________________________________

2. It is essential that we stick to our goals and never yield to temporary failures.  ____________________________________________________________________

汉译英（高考高分句式）

1. 我们应当致力于提升自我，努力实现人生目标。  ____________________________________________________________________

2. 积极的心态能够帮助我们缓解压力、克服困难。  ____________________________________________________________________

3. 广泛阅读可以拓展我们的视野，助力我们获得更大的进步。  ____________________________________________________________________

题型一：单词词形填空 答案&解析

1. improving｜devote...to doing sth. 固定搭配，to为介词，后接动名词。

2. to tackle｜way to do sth. 做某事的方法，不定式作后置定语。

3. boost｜情态动词can后接动词原形，情态动词后统一用动词原形。

4. yield｜never开头祈使句，谓语动词用原形。

5. to convince｜manage to do sth. 设法做成某事，固定不定式结构。

6. attain｜情态动词can后接动词原形。

7. overcoming｜succeed in doing sth. 固定结构，介词后接动名词。

8. expand｜help (to) do sth. 帮助做某事，动词用原形。

9. to alleviate｜take measures to do sth. 采取措施做某事，固定不定式搭配。

10. develop｜It is essential that... 虚拟语气，从句谓语用(should) do，should可省略。

完整答案：1.improving 2.to tackle 3.boost 4.yield 5.to convince 6.attain 7.overcoming 8.expand 9.to alleviate 10.develop

题型二：单项选择 答案&解析

1. A｜be devoted to 致力于、忠诚于，贴合投身教育事业的语境。

2. B｜tackle problems 解决难题，高考高级替换词，适配语境。

3. A｜boost energy/confidence 提升精力、增强自信，固定高分搭配。

4. B｜yield to pressure/failure 屈服于压力、失败，单元核心搭配。

5. A｜convince sb. of sth. 使某人确信某事，侧重内心信服。

6. B｜attain dream/goal 实现梦想、达成目标，写作高级词汇。

7. A｜overcome obstacles/difficulties 克服障碍、困难，固定搭配。

8. B｜expand business scale 拓展业务规模，商业与阅读高频语境。

9. C｜alleviate conflict/pressure 缓解矛盾、压力，贴合语境。

10. B｜essential 至关重要的，It is essential for sb. to do 经典句式。

完整答案：1.A 2.B 3.A 4.B 5.A 6.B 7.A 8.B 9.C 10.B

题型三：中英互译 满分标准答案

英译汉

1. 我们应当积极攻克难题，通过持续练习提升自身能力。

2. 我们坚守目标、绝不向暂时的失败妥协，这一点至关重要。

汉译英（高考写作高分标准版）

1. We should devote ourselves to self-improvement and strive to attain our life goals.

2. A positive attitude can help us alleviate pressure and overcome difficulties.

3. Reading widely can expand our horizons and help us attain greater progress.

📚 学习小结

本次精选10个词汇为选修一Unit5高考核心必考词，全覆盖单元最高频考点：介词搭配、非谓语动词、虚拟语气、熟词生义、写作高级替换词。所有习题严格对标高考命题规律，题目、答案、解析零错误、零漏洞，适配、日常刷题、考前冲刺、课堂教学，刷题背诵双向巩固，快速吃透单元高考得分核心！