Unit 3 Sea Exploration 单元词汇巩固专练-2025-2026学年高二英语人教版选择性必修第四册

**基本信息** 聚焦单元核心词汇与语法，构建"词汇基础-语法应用-综合输出"三阶训练体系，强化语言能力与学习能力。 **专项设计** |模块|题量/典例|题型特征|知识逻辑| |----|-----------|----------|----------| |重点单词|20题|汉译英填空|覆盖单元核心名词、动词等，夯实词汇基础| |高频短语|10题|固定搭配补全|考查常用短语，衔接词汇与语境应用| |派生词|13题|词形转换|从词根拓展词性变化，构建词汇网络| |单句语法填空|36题|语境语法填空|综合考查介词、非谓语等语法点，衔接词汇与句法| |翻译句子|5题|汉译英表达|整合词汇语法，实现语言输出，提升综合语言能力|

人教版选择性必修四 Unit 3 单元知识点限时练答案 1． 重点单词 1.  marine 2. meanwhile 3. channel 4. tale 5. league 6. tournament 7. laptop 8. fleet 9. merchant 10. migrate/migration 11. directory 12. opponent 13. coral 14. capsule 15. log 16. manned 17. exploit 18. royal 19. withdraw 20. arrest 二．高频短语 1. in a league of one’s own 2. keep sth. close at hand 3. extend congratulations to sb. 4. to some extent 5. a mixture of emotions / mixed feelings   6. extend a helping hand to sb 7. burst into deafening applause and cheers 8. at the mercy of one’s fate 9. for the benefit of 10. strengthen the bond with sb. 三．派生词 1. migration 2. withdrawal; withdrawn 3. exploitation 4. spicy 5. coverage 6. mixed；mixture 7. applause 8. merciful；merciless 9. possessions 10. opposed；opposition；opponent 11. extension extended；extensive 12. negotiation 13. fleeting 四．单句语法填空 1.  an have an unbreakable bond with 与……有牢不可破的纽带 2.  Under under the command of 在……的指挥下 3.  a; to a gesture of mutual respect 表示互相尊重的姿态；in return for 作为对……的回报 4.  against luck went against him 运气与他作对、时运不济 5.  from withdraw from 退出 6.  in/on log in/on（to ...） 登录（账号） 7.  to find one’s way to 找到去...的路 8.  by by hand 手工地 9.  on have mercy on 怜悯、同情 10.  to be opposed to doing 反对做某事（to是介词） 11.  under under arrest 被捕 12.  taxed industry与tax是被动关系，过去分词作后置定语：被征收高额碳税的高污染企业 13.  Although/Though/While 让步状语从句。 14.  attempted attempted murder 谋杀未遂 15.  withdrawn withdrawn adj.孤僻内向的，修饰名词nature 16.  was withdrawn balance余额和取款是被动 17.  surveyed blue hole与survey是被动，过去分词后置定语 18.  professionals turn to professionals 求助专业人士 19.  professionally 副词修饰动词handled，专业地处理投诉 20.  to behold a sight to behold 美不胜收的景象（不定式后置定语） 21.  extended have sth done 让某事被做，让截止日期延长 22.  has been extended; covering in recent years 现在完成时，scope与extend被动；covering现在分词作后置定语，修饰comprehensive connection， 23.  to pour a safe channel to pour pressure 宣泄压力的渠道，不定式作后置定语 24.  have been channeled so far现在完成时，donations与channel输送是被动关系 25.  will be exploited in the near future将来时，矿石被开采，被动语态 26.  are exploited if引导条件状语从句，遵循主将从现，资源被开采，被动 27.  to encourage The aim is to do 目标是做某事，不定式作表语 28.  to be stretching pretend to be doing 假装正在做某事 29.  remaining problems remaining to be solved 有待解决的问题，现在分词后置定语 30.  Given; there given 介词，考虑到；there is an urgent need to do sth. 急需做 31.  what 介词about后接what引导宾语从句，what在从句作announced的宾语 32.  which platform为先行词，on which=where引导定语从句 33.  what in what is now... 介词in+what宾语从句，what在从句作主语 34.  As As is often the case with… 正如... 常见的情况，as引导非限制性定语从句的高频句型 35. as as many leading scientists point out 正如众多顶尖科学家指出，as引导非限制性定语从句 36. which which指代AI technology，非限制性定语从句，不能用as 5． 按要求翻译句子 1. Though he can barely make (both) ends meet himself, he always extends a helping hand generously to those in need. 2. I’m writing to sincerely invite you to our school’s lecture on marine protection/conservation, and your professional insights will add spice to our activity. 3. To carry forward traditional culture, our school held a themed activity, among which sharing folk tales is one of the core sessions. 4. Perseverance is an essential quality that every ambitious young person should possess. 5.  Overwhelmed by mixed feelings of guilt and regret, the little boy lowered his head silently. 学科网（北京）股份有限公司 $ 人教版选择性必修四 Unit 3 单元知识点限时练 1． 重点单词（每空1分，共20分） 1. 海洋的；海产的___________ 2. 与此同时；对比之下____________ 3. 频道；渠道；航道 _____________ 4故事；叙述 ___________ 5. 联赛；等级；水平 ___________ 6. 锦标赛；联赛 _____________ 7. 笔记本电脑 ____________ 8. 舰队；车队；机群_____________ 9. 商人 _____________ 10. 迁徙；迁移；移居 ___________ 11. 电话号码簿；名录_____________ 12. 对手；竞争者；反对者 _____________ 13. 珊瑚_____________ 14. 胶囊；太空舱 _____________ 15. 日志；原木；记录____________ 16. 载人的；需人操控的 ____________ 17. 开发；利用；剥削____________ 18. 皇家的；高贵的____________ 19. 撤回；退出；取款____________ 20. 逮捕；吸引；阻止____________ 2． 高频短语 （每空2分，共20分） 1. 独领风骚____________________ 2. 近在手边；触手可及____________________ 3. 向某人表达祝贺_____________________ 4. 在某种程度上 ____________________ 5. 百感交集____________________ 6. 向某人伸出援手 ____________________ 7. 爆发出雷鸣般的掌声 _____________________ 8. 任由命运的摆布______________________ 9. 为了...的利益_____________________ 10. 增进和某人的关系_______________________ 三．派生词（每空1分，共20分） 1. migrate → n. ______________ 2. withdraw→n.______________→ adj.______________ 3. exploit→ n. ______________ 4. spice → adj. ______________ 5. cover → n.新闻报道；覆盖范围 ______________ 6. mix→adj. ______________→n. ______________ 7. applaud→n. _____________ 8. mercy→ adj. 仁慈的______________ → adj. 无情的______________ 9. possess→ n. 财产______________ 10. oppose →adj. ______________ →n. 反对 ______________→n. 反对者；竞争者______________ 11. extend →n. ______________→adj. 延长的；扩展的______________→adj. 广泛的______________ 12. negotiate→n.______________ 13. fleet→adj. 稍纵即逝的______________ 四．单句语法填空 （每空1.5分，共60分） 1. Anyone who grows up sharing joys and hardships with their siblings will have ___________unbreakable bond with them long after they start their own separate lives. 2. ___________ the command of Zheng He, seven large fleets sailed along the ancient Maritime Silk Road and built peaceful trade links among Asian and African nations. 3. Both nations deepen cultural and economic exchanges as ___________ gesture of mutual respect in return ___________ consistent cooperation that fosters lasting win-win bilateral prosperity. 4. Everyone believed he would win the championship, yet luck went ___________him because he suffered an unexpected injury right before the match. 5. Suffering a serious ankle injury during training, the star forward had to withdraw ___________ the World Cup squad, which made his fans heartbroken. 6. Having forgotten my account password, I failed to log ___________ to the online learning platform to submit the essay to my tutor. 7. Even without navigation, the seasoned explorer found his way ___________ the remote Arctic research station before the polar night fell. 8. There you will find them prepared differently --- more dumpling and less soup, and the wrappers are pressed ___________ hand rather than rolled. 9. When the stray dog trembled before her, she could not help but have mercy ___________ the poor creature that had wandered alone for days. 10. Many parents are firmly opposed ___________ overusing electronic screens in classrooms, ___________ (convince) that prolonged exposure will badly damage teenagers’ eyesight. 11. Surrounded by police officers and realizing there was nowhere to flee, the criminal gave up struggling and was soon ___________ arrest. 12. A large number of high-pollution industries ___________(tax) with heavy carbon fees are seeking new green technologies to cut operating costs. 13. ___________ they lost the championship, fans applauded the team’s fighting spirit, which never faded throughout the entire tournament. 14. Charged with ___________(attempt) murder, the young man was arrested and brought to court for further trial. 15. Many people mistake his ___________(withdraw) nature for coldness, but he is just slow to open up. 16. The entire account balance ___________(withdraw) from the ATM, which made me doubt whether my bank card had been stolen. 17. The hidden blue hole formed on Huangyan Island’s coral reefs, ___________(survey) by Chinese oceanographers, preserves ancient records of climate change. 18. If you encounter confusing legal issues, you may as well turn to ___________(profession) who can offer reliable and tailored advice. 19. The new receptionist handled every tricky customer complaint ___________(profession), which won high praise from the manager. 20. The long line of ancient lanterns hanging along the old street at night forms a sight ___________(behold), attracting countless visitors every year. 21. As there remained plenty of relevant materials left to analyze, I turned to my tutor to have the submission deadline ___________(extend). 22. In recent years, cooperation scope of the BRI ___________(extend) far beyond traditional trade limits and builds comprehensive connection ___________(cover) economy, culture and infrastructure. 23. The school counseling room provides students with a safe channel ___________(pour) out academic pressure, which effectively relieves teenagers’ long-term anxiety. 24. All public donations ___________(channel) to the disaster-stricken areas so far, so local residents can receive timely supplies and relief. 25. If we don’t take immediate and effective measures, limited underground rare earth ores ___________(exploit) far beyond their sustainable capacity in the near future. 26. If rare earth resources ___________(exploit) without strict environmental standards, the surrounding soil and water will be seriously polluted within a short time. 27. The aim of the Belt and Road Initiative is ___________ (encourage) cooperation and trade across the historic Silk Road areas and strengthen the bonds between China and the rest of the world. 28. When the coach glanced our way, we pretended ___________(stretch) our bodies for the upcoming match. 29. There are still many problems ___________(remain) to be solved before we are ready for a long stay on the Moon. 30. ___________(give) the severe degradation of forests and oceans, ___________ is an urgent need to carry out strict environmental policies to balance economic development and ecological protection. 31. We should remain objective about ___________ officials announced at the press conference involving global environmental protection issues. 32. World Oceans Day, celebrated on 8 June every year, provides young people with a platform on ___________ they can express their concerns and share their ideas. 33. On a cool, starry night in mid-September 1870, four men relaxed before a campfire along the Firehole River in ___________ is now northwestern Wyoming. 34. ___________ is often the case with young students, they only make short-lived efforts and give up once progress seems slow. 35. AI technology, ___________ many leading scientists point out, has greatly simplified various complex work tasks across nearly all modern technical fields. 36. Artificial intelligence, ___________ has been widely applied in factories, streamlines all kinds of complicated industrial tasks. 五．按要求翻译句子 （每句6分，共30分。） 1. 尽管他自己手头紧，但他总是很慷慨地向有需要的人伸出援手。（extend） __________________________________________________________________________________________ . 2. 我写信诚邀您参加我校的海洋保护讲座，你的专业见解将为我们的活动增色。 __________________________________________________________________________________________ . 3. 为弘扬传统文化，我校开展了一场主题活动，分享民间故事是核心环节之一。 __________________________________________________________________________________________ . 4. 毅力是每一个有抱负的年轻人都应当拥有的重要品质。（possess） __________________________________________________________________________________________. 5. 被内疚与悔恨交织的情绪所笼罩，小男孩默默地低下了头。 __________________________________________________________________________________________ . 学科网（北京）股份有限公司 $