语言运用综合训练03 完形填空（2篇）+语法填空（综合训练）（全国通用）2027年高考英语一轮复习讲练测

**基本信息** 聚焦完形填空与语法填空综合训练，通过不同体裁语篇整合语言知识，培养语言能力与思维品质。 **综合设计** |模块|题量/典例|题型特征|知识逻辑| |----|-----------|----------|----------| |完形填空|2篇记叙文（校园生活258词、人物故事262词）|语境词义辨析与情感逻辑推理|通过人物成长故事串联词汇语境应用，渗透学习能力与思维品质| |语法填空|1篇说明文（治理沙漠233词）|语法规则与篇章结构综合运用|以生态治理话题整合语法知识，体现文化意识与语言能力|

语言运用综合03 完形填空+语法填空 （考试时间：45分钟 试卷满分：45分） 完形填空（2篇）+语法填空（1篇） 考查重点：完形填空，记叙文1（校园生活；258词）、记叙文2（人物故事；262词），语法填空，说明文（治理沙漠；233词）； 一、完形填空（共30小题，每小题1分，共30分） A When I was 14, I met Mrs. Korthaus, a warm English teacher, who gave me the best 1 in my life. She inspired me to explore my 2 . Living in a small town, I had a 3 vision and was unwilling to step out of my comfort zone. I performed well in school, but I wasn’t genuinely investing in myself — in fact, I 4 success. It was a 5 that I met Mrs. Korthaus and I didn’t get my way. She had an important part in that and made writing, literature and communications a 6 to the world. 25 years later, I received an unexpected call: a college needed an English teacher. Thinking of my role model, I 7 . I connected with students from different backgrounds, who came with their own 8 — a mom balancing work and life, a young man escaping a troubling past. I 9 Mrs. Korthaus and tried to help them. I treated all my students with the same approach but there were a few who managed to 10 . They were the students who were open with me about their difficulties, trusting that I would be part of their 11 . At the end of the semester, I received my highest evaluation score, which was a 12 statement: “I feel this instructor cares about me.” I finally 13 the real success of a teacher: to inspire and help each student feel 14 . Mrs. Korthaus lit the way for me, and now I 15 this light to my own students. 1．A．chance B．credit C．comment D．gift 2．A．background B．habit C．potential D．nature 3．A．shared B．limited C．unique D．realistic 4．A．feared B．missed C．pursued D．ignored 5．A．shock B．pity C．blessing D．reward 6．A．signal B．route C．window D．promise 7．A．wondered B．hesitated C．waited D．accepted 8．A．struggles B．secrets C．regrets D．doubts 9．A．called B．remembered C．thanked D．challenged 10．A．settle down B．show up C．team up D．stand out 11．A．choices B．success C．plans D．solution 12．A．simple B．correct C．polite D．formal 13．A．expected B．celebrated C．grasped D．admitted 14．A．valued B．praised C．welcomed D．needed 15．A．return B．carry C．present D．explain B In a remarkable display of determination and the power of community, 17-year-old Alex Thompson has triumphed over significant challenges to become an inspiration for his peers. Growing up in a single-parent household, Alex 1 financial hardships. His mother, a factory worker, 2 made ends meet, leaving little room for educational resources or extracurricular activities. Despite these 3 , Alex was determined to succeed academically. After school, he 4 groceries at a local supermarket and mowed lawns on weekends. However, the 5 part-time job and tight schedule affected his schoolwork. His grades started to 6 , and he was on the verge of giving up. Thankfully, the community 7 . The local Boys & Girls Club offered Alex a scholarship for tutoring. Dedicated volunteers helped him with math and writing, while the library provided free 8 to educational resources. With this new-found support, Alex’s academic 9 began to turn around. And he joined the 10 club, enhancing his public speaking and critical thinking skills. Alex’s story took an even more 11 turn when he was selected to participate in a renowned STEM summer camp. There, he was 12 to cutting-edge tech for the first time and discovered his passion for computer science. Back at school, he started a coding club, which quickly grew in 13 . Now, as he nears his senior year, Alex has his sights set on college. He’s applied to top-tier universities, dreaming of using his skills to help 14 communities. As he said gratefully, “With my community’s help, I’ve overcome challenges and found my passion. There’s always 15 .” 1．A．witnessed B．suffered C．overcame D．obtained 2．A．rarely B．fully C．barely D．easily 3．A．obstacles B．failures C．budgets D．disasters 4．A．purchased B．donated C．operated D．bagged 5．A．regular B．ordinary C．demanding D．mild 6．A．grow B．slip C．recover D．weaken 7．A．caught up B．showed off C．pulled over D．stepped in 8．A．access B．approach C．entrance D．permission 9．A．interest B．attitude C．motivation D．performance 10．A．science B．drama C．debate D．music 11．A．positive B．valid C．similar D．opposite 12．A．committed B．exposed C．addicted D．related 13．A．quantity B．tendency C．inspiration D．popularity 14．A．wealthy B．disadvantaged C．advertised D．independent 15．A．virtue B．happiness C．hope D．fortune 二、语法填空（共10小题，每小题1.5分，共15分） The Taklimakan Desert, infamous as the “Sea of Death”, has now been fully encircled by the longest sand-blocking green ecological barrier, 1 length reaches an impressive 3, 046 kilometers, 2 (mark) the completion of over 5 years of efforts to contain the desert expansion within a safety zone. Covering 32, 600 square kilometers, the Taklimakan is China’s largest drifting desert, which poses an 3 (increasing) alarming threat to surrounding oases and serves as a significant source of dust storms and an upwind area for the country. In an effort to battle desertification and relieve the unfavorable effects of shifting sands and dust storms 4 nearby residents, the “Green Great Wall” has gradually emerged. So far, alongside the green belt, efforts 5 (make) to promote the development of sand-related industries, such as ceramics and pottery. The green belt not only acts as 6 ecological barrier but also stabilizes agriculture, boosts Xinjiang’s economic development, and highlights China’s technological and organizational strength in ecological governance. It is a shining example of 7 can be achieved through technological innovation and organizational capabilities. With a target 8 (restore) 2.34 million hectares of degraded land by 2030, this ongoing initiative will safeguard the environment and promote 9 (region) sustainable development. With the successful completion of the green barrier, this region, once 10 (trouble) by serious sandstorms, is set to see renewed vitality and dynamic ecosystems. 6 / 24网（北京）股份有限公司 学科网（北京）股份有限公司 学科网（北京）股份有限公司 学科网（北京）股份有限公司 $ 语言运用综合03 完形填空+语法填空 （考试时间：45分钟 试卷满分：45分） 完形填空（2篇）+语法填空（1篇） 考查重点：完形填空，记叙文1（校园生活；258词）、记叙文2（人物故事；262词），语法填空，说明文（治理沙漠；233词）； 一、完形填空（共30小题，每小题1分，共30分） A When I was 14, I met Mrs. Korthaus, a warm English teacher, who gave me the best 1 in my life. She inspired me to explore my 2 . Living in a small town, I had a 3 vision and was unwilling to step out of my comfort zone. I performed well in school, but I wasn’t genuinely investing in myself — in fact, I 4 success. It was a 5 that I met Mrs. Korthaus and I didn’t get my way. She had an important part in that and made writing, literature and communications a 6 to the world. 25 years later, I received an unexpected call: a college needed an English teacher. Thinking of my role model, I 7 . I connected with students from different backgrounds, who came with their own 8 — a mom balancing work and life, a young man escaping a troubling past. I 9 Mrs. Korthaus and tried to help them. I treated all my students with the same approach but there were a few who managed to 10 . They were the students who were open with me about their difficulties, trusting that I would be part of their 11 . At the end of the semester, I received my highest evaluation score, which was a 12 statement: “I feel this instructor cares about me.” I finally 13 the real success of a teacher: to inspire and help each student feel 14 . Mrs. Korthaus lit the way for me, and now I 15 this light to my own students. 1．A．chance B．credit C．comment D．gift 2．A．background B．habit C．potential D．nature 3．A．shared B．limited C．unique D．realistic 4．A．feared B．missed C．pursued D．ignored 5．A．shock B．pity C．blessing D．reward 6．A．signal B．route C．window D．promise 7．A．wondered B．hesitated C．waited D．accepted 8．A．struggles B．secrets C．regrets D．doubts 9．A．called B．remembered C．thanked D．challenged 10．A．settle down B．show up C．team up D．stand out 11．A．choices B．success C．plans D．solution 12．A．simple B．correct C．polite D．formal 13．A．expected B．celebrated C．grasped D．admitted 14．A．valued B．praised C．welcomed D．needed 15．A．return B．carry C．present D．explain 【答案】 1．D 2．C 3．B 4．A 5．C 6．C 7．D 8．A 9．B 10．D 11．D 12．A 13．C 14．A 15．B 【解析】文章讲述作者14岁时遇到温暖的英文老师Korthaus夫人，她激励作者探索自身潜力。25年后作者也成为英语老师，努力像榜样一样帮助学生感受被重视，最终领悟到教师的真正成功在于激励和帮助学生。 1．考查名词。句意：当我14岁的时候，我遇到了温暖的英语老师Korthaus夫人，她给了我人生中最棒的礼物。A. chance机会；B. credit信用；C. comment评论；D. gift礼物。根据上文“gave me the best”以及下文“She inspired me to explore my .”描述老师激励作者探索潜力，并对作者人生产生积极影响可推知，这是一种“礼物”。 2．考查名词。句意：她激励我去探索我的潜力。A. background背景；B. habit习惯；C. potential潜力；D. nature本性。根据上文“explore my”和下文“I had a vision and was unwilling to step out of my comfort zone.”可推知，老师是激励作者走出舒适区，探索“潜力”。 3．考查形容词。句意：住在一个小镇，我的视野有限，不愿走出舒适区。A. shared共享的；B. limited有限的；C. unique独特的；D. realistic现实的。根据上文“Living in a small town,”和下文“unwilling to step out of my comfort zone”可推知，作者成长于小地方，固步自封，视野“有限”。 4．考查动词。句意：我在学校表现不错，但我并没有真正投资自己——事实上，我害怕成功。A. feared害怕；B. missed错过；C. pursued追求；D. ignored忽视。根据上文“was unwilling to step out of my comfort zone”和“wasn’t genuinely investing in myself”可知，作者害怕走出舒适区，“害怕”去追求成功。 5．考查名词。句意：遇到Korthaus夫人是一种福气，我没有如愿(继续待在舒适区)。A. shock震惊；B. pity遗憾；C. blessing福气；D. reward回报。根据上文“Living in a small town, I had a vision and was unwilling to step out of my comfort zone.”和下文“I met Mrs. Korthaus and I didn’t get my way.”可知，作者原本害怕走出舒适区，害怕去追求成功，是Korthaus夫人影响了他，改变了他，所以遇到她是“福气”。 6．考查名词。句意：她在那方面起了重要作用，让写作、文学和交流成为通往世界的一扇窗。A. signal信号；B. route路线；C. window窗户；D. promise承诺。根据上文“She inspired me to explore”和下文“to the world”可推知，Korthaus夫人激励作者走出舒适区，去探索更广阔的世界，而这些学科正是帮助作者了解世界的那扇“窗”。 7．考查动词。句意：想到我的榜样，我接受了。A. wondered想知道；B. hesitated犹豫；C. waited等待；D. accepted接受。根据上文“I received an unexpected call: a college needed an English teacher”和下文“I connected with students from different backgrounds”可知，作者“接受”了这个工作机会。 8．考查名词。句意：我与来自不同背景的学生建立了联系，他们各自带着自己的挣扎——有一位在工作和生活之间寻找平衡的母亲，还有一个试图摆脱不堪过往的年轻人。A. struggles挣扎，困难；B. secrets秘密；C. regrets遗憾；D. doubts怀疑。根据下文具体例子“a mom balancing work and life, a young man escaping a troubling past”可知，这些是他们的“挣扎”或“困难”。 9．考查动词。句意：我想起了Korthaus夫人，并试着去帮助他们。A. called打电话；B. remembered想起，记住；C. thanked感谢；D. challenged挑战。根据上文“Thinking of my role model”和下文“tried to help them”可知，作者“想起”了Korthaus夫人并效仿她的做法。 10．考查动词短语。句意：我用同样的方式对待我所有的学生，但有少数人总能脱颖而出。A. settle down定居；B. show up出现；C. team up合作；D. stand out脱颖而出。根据下文“They were the students who were open with me about their difficulties”可知，这些向作者敞开心扉，学生与其他人不一样，所以是“脱颖而出”。 11．考查名词。句意：他们是那些愿意向我敞开心扉、谈论自己困难的学生，他们相信我能够成为他们解决问题的一部分。A. choices选择；B. success成功；C. plans计划；D. solution解决方案。根据上文“open with me about their difficulties”和“trusting”可推知，这些学生愿意向作者敞开心扉，谈论自己的困难，说明他们认为作者能提供帮助，解决问题，是他们问题的“解决方案”中的一部分。 12．考查形容词。句意：学期结束时，我收到了最高的评价分数，其中一个简单的陈述是：“我觉得这位老师关心我。”A. simple简单的；B. correct正确的；C. polite礼貌的；D. formal正式的。根据下文“I feel this instructor cares about me”可知，这是一句“简单的”陈述，强调其质朴而真诚的力量。 13．考查动词。句意：我终于领悟了教师真正的成功所在：激励并帮助每一位学生感受到自身的价值。A. expected期待；B. celebrated庆祝；C. grasped领悟，理解；D. admitted承认。根据下文“the real success of a teacher: to inspire and help each student feel .”可知，这是作者“领悟”到的道理。 14．考查动词。句意：我终于领悟了教师真正的成功所在：激励并帮助每一位学生感受到自身的价值。A. valued重视；B. praised表扬；C. welcomed欢迎；D. needed需要。根据上文评价“I feel this instructor cares about me”可知，学生感到被老师关心和“重视”。 15．考查动词。句意：Korthaus夫人为我照亮了道路，现在我把这束光带给自己的学生。A. return返回；B. carry携带，传递；C. present呈现；D. explain解释。根据上文“Mrs. Korthaus lit the way for me”和下文“this light to my own students”可知，作者把Korthaus夫人的光“传递”给学生。 B In a remarkable display of determination and the power of community, 17-year-old Alex Thompson has triumphed over significant challenges to become an inspiration for his peers. Growing up in a single-parent household, Alex 1 financial hardships. His mother, a factory worker, 2 made ends meet, leaving little room for educational resources or extracurricular activities. Despite these 3 , Alex was determined to succeed academically. After school, he 4 groceries at a local supermarket and mowed lawns on weekends. However, the 5 part-time job and tight schedule affected his schoolwork. His grades started to 6 , and he was on the verge of giving up. Thankfully, the community 7 . The local Boys & Girls Club offered Alex a scholarship for tutoring. Dedicated volunteers helped him with math and writing, while the library provided free 8 to educational resources. With this new-found support, Alex’s academic 9 began to turn around. And he joined the 10 club, enhancing his public speaking and critical thinking skills. Alex’s story took an even more 11 turn when he was selected to participate in a renowned STEM summer camp. There, he was 12 to cutting-edge tech for the first time and discovered his passion for computer science. Back at school, he started a coding club, which quickly grew in 13 . Now, as he nears his senior year, Alex has his sights set on college. He’s applied to top-tier universities, dreaming of using his skills to help 14 communities. As he said gratefully, “With my community’s help, I’ve overcome challenges and found my passion. There’s always 15 .” 1．A．witnessed B．suffered C．overcame D．obtained 2．A．rarely B．fully C．barely D．easily 3．A．obstacles B．failures C．budgets D．disasters 4．A．purchased B．donated C．operated D．bagged 5．A．regular B．ordinary C．demanding D．mild 6．A．grow B．slip C．recover D．weaken 7．A．caught up B．showed off C．pulled over D．stepped in 8．A．access B．approach C．entrance D．permission 9．A．interest B．attitude C．motivation D．performance 10．A．science B．drama C．debate D．music 11．A．positive B．valid C．similar D．opposite 12．A．committed B．exposed C．addicted D．related 13．A．quantity B．tendency C．inspiration D．popularity 14．A．wealthy B．disadvantaged C．advertised D．independent 15．A．virtue B．happiness C．hope D．fortune 【答案】 1．B 2．C 3．A 4．D 5．C 6．B 7．D 8．A 9．D 10．C 11．A 12．B 13．D 14．B 15．C 【解析】本文讲述了17岁少年亚历克斯・汤普森（Alex Thompson）在单亲家庭中克服经济困难，通过社区支持和自身努力实现人生转折的故事。 1．考查动词。句意：成长于单亲家庭的Alex曾饱受经济困难之苦。A. witnessed目击；B. suffered遭受；C. overcame克服；D. obtained获得。根据下文“His mother, a factory worker, made ends meet”可知，Alex的家庭经济困难。 2．考查副词。句意：他的母亲是一名工厂工人，收入微薄，根本无法满足家庭的基本开销需求，因此几乎没有余钱用于孩子的教育或参加课外活动。A. rarely很少；B. fully充分地；C. barely勉强才能；D. easily容易地。根据后文“leaving little room for educational resources or extracurricular activities”可知，此处指收入勉强维持家里的收支。 3．考查名词。句意：尽管面临这些障碍，Alex仍决心在学业上取得成功。A. obstacles障碍；B. failures失败；C. budgets预算；D. disasters灾难。根据上文“His mother, a factory worker, made ends meet, leaving little room for educational resources or extracurricular activities.”可知，这些均为成长中的障碍。 4．考查动词。句意：放学后，他在当地超市负责将食品装袋，周末则帮人修剪草坪。A. purchased购买；B. donated捐赠；C. operated操作；D. bagged把……装进袋子。根据“groceries at a local supermarket”可知，Alex放学后在超市里给顾客把商品装进袋子。 5．考查形容词。句意：然而，那份要求颇高的兼职工作以及紧张的日程安排影响了他的学业。A. regular定期的；B. ordinary普通的；C. demanding苛刻的；D. mild轻微的。根据后文“tight schedule”可知，兼职工作费时费力，十分苛刻。 6．考查动词。句意：他的成绩开始下滑，一度濒临放弃。A. grow成长；B. slip下滑；C. recover恢复；D. weaken削弱。根据下文“and he was on the verge of giving up.”可知，Alex的成绩开始下滑。 7．考查动词短语辨析。句意：值得庆幸的是，社区介入了。A. caught up赶上；B. showed off炫耀；C. pulled over靠边停车；D. stepped in介入。根据下文“The local Boys & Girls Club offered Alex a scholarship for tutoring.”可知，社区主动介入帮助。 8．考查名词。句意：敬业的志愿者帮助他学习数学和写作，而图书馆则免费提供教育资源。A. access使用权；B. approach方法；C. entrance入口；D. permission允许。根据“educational resources”可知，此处表示有使用图书馆的机会，access to为固定搭配，意为“使用……的机会”。 9．考查名词。句意：有了这一新的支持，Alex的学业成绩开始有了起色。A. interest兴趣；B. attitude态度；C. motivation动机；D. performance表现。根据上文“With this new-found support”指有了支持，Alex的学业成绩开始有了起色。 10．考查名词。句意：他还加入了辩论俱乐部，提升了自己的公众演讲和批判性思维能力。A. science科学；B. drama戏剧；C. debate辩论；D. music音乐。根据下文“enhancing his public speaking and critical thinking skills”可知，Alex加入了辩论俱乐部。 11．考查形容词。句意：当他被选中参加一个著名的STEM夏令营时，Alex的故事发生了更积极的转变。A. positive积极的；B. valid有效的；C. similar相似的；D. opposite相反的。根据下文“when he was selected to participate in a renowned STEM summer camp”可知，Alex的故事发生了更积极的转变。 12．考查动词。句意：在那里，他首次接触到前沿科技，并发现了自己对计算机科学的热爱。A. committed犯罪；B. exposed暴露；C. addicted使上瘾；D. related联系。根据下文“cutting-edge tech for the first time”可知，首次接触前沿科技。be exposed to为固定短语，意为“接触”。 13．考查名词。句意：回到学校后，他创办了一个编程俱乐部，这个俱乐部很快就流行起来。A. quantity数量；B. tendency趋势；C. inspiration灵感；D. popularity流行。根据下文“He’s applied to top-tier universities, dreaming of using his skills to help underprivileged communities.”可知，Alex创办的编程俱乐部很快就流行起来。 14．考查形容词。句意：他已申请了顶尖学府，梦想着能运用自己的技能去帮助那些处于弱势地位的群体。A. wealthy富有的；B. disadvantaged贫困的，处于弱势地位的；C. advertised广告的；D. independent独立的。根据后文“With my community’s help, I’ve overcome challenges and found my passion.”可知，因为心怀感激，所以梦想着能运用自己的技能去帮助那些处于弱势地位的群体。 15．考查名词。句意：正如他心怀感激地所说：“在社区的帮助下，我克服了挑战，找到了自己的热情所在。希望永远存在。”A. virtue美德；B. happiness幸福；C. hope希望；D. fortune运气。全文围绕“困境中的坚持与社区支持带来的转机”，结尾升华主题。“hope”（希望）呼应亚历克斯从绝望到找到人生方向的历程。 二、语法填空（共10小题，每小题1.5分，共15分） The Taklimakan Desert, infamous as the “Sea of Death”, has now been fully encircled by the longest sand-blocking green ecological barrier, 1 length reaches an impressive 3, 046 kilometers, 2 (mark) the completion of over 5 years of efforts to contain the desert expansion within a safety zone. Covering 32, 600 square kilometers, the Taklimakan is China’s largest drifting desert, which poses an 3 (increasing) alarming threat to surrounding oases and serves as a significant source of dust storms and an upwind area for the country. In an effort to battle desertification and relieve the unfavorable effects of shifting sands and dust storms 4 nearby residents, the “Green Great Wall” has gradually emerged. So far, alongside the green belt, efforts 5 (make) to promote the development of sand-related industries, such as ceramics and pottery. The green belt not only acts as 6 ecological barrier but also stabilizes agriculture, boosts Xinjiang’s economic development, and highlights China’s technological and organizational strength in ecological governance. It is a shining example of 7 can be achieved through technological innovation and organizational capabilities. With a target 8 (restore) 2.34 million hectares of degraded land by 2030, this ongoing initiative will safeguard the environment and promote 9 (region) sustainable development. With the successful completion of the green barrier, this region, once 10 (trouble) by serious sandstorms, is set to see renewed vitality and dynamic ecosystems. 【答案】 1．whose 2．marking 3．increasingly 4．on/upon 5．have been made 6．an 7．what 8．to restore 9．regional 10．troubled 【解析】这篇文章主要介绍了塔克拉玛干沙漠建成三千多公里防风绿带，四十余年治沙成果显著。绿化带改善生态、带动产业，中国治沙模式将持续修复土地，让沙区重焕生机。 1．考查定语从句。句意：塔克拉玛干沙漠，素有“死亡之海”的恶名，如今已被最长的防沙绿色生态屏障完全包围，其长度达到令人惊叹的3046公里，标志着将沙漠扩张控制在安全区内的四十余年治沙努力圆满完成。分析句子可知，设空处引导非限制性定语从句，先行词为green ecological barrier，从句中length 与先行词是所属关系（屏障的长度），用关系代词whose在从句中作定语修饰length。 2．考查非谓语动词。句意：塔克拉玛干沙漠，素有“死亡之海”的恶名，如今已被最长的防沙绿色生态屏障完全包围，其长度达到令人惊叹的3046公里，标志着将沙漠扩张控制在安全区内的四十余年治沙努力圆满完成。分析句子可知，此处为非谓语动词作状语，逗号前的整个句子是mark的逻辑主语，二者为主动关系；用现在分词marking作结果状语，表示前文事实自然而然带来的结果，意为“这标志着四十余年治沙努力的完成”。 3．考查副词。句意：塔克拉玛干占地面积达33.76万平方公里，是中国最大的流动沙漠，对周边绿洲构成日益严重的威胁，同时也是沙尘暴的重要来源和我国的上风区域。空后是形容词alarming（令人担忧的），需用副词修饰形容词；increasing的副词形式为increasingly，意为“日益，越来越多地”，increasingly alarming threat 即“日益严峻的威胁”。 4．考查固定短语。句意：为应对荒漠化问题，减轻沙丘移动和沙尘暴对附近居民带来的不利影响，“绿色长城”工程逐步展开。此处为固定搭配 effect on/upon sb./sth. 表示“对……的影响”，此处指缓解流沙和沙尘暴对周边居民的不利影响。 5．考查动词时态和语态。句意：截至目前，在绿色带建设的同时，还积极推进陶瓷、陶器等与沙地相关的产业发展。时间标志so far（到目前为止）提示用现在完成时；主语efforts 与 make是被动关系（努力被付出），且efforts为复数，故填现在完成时被动语态have been made。 6．考查冠词。句意：这条绿色带不仅起到生态屏障作用，还稳定了农业发展，推动了新疆经济社会进步，彰显了中国在生态治理方面的科技与组织实力。barrier为可数名词单数，此处泛指“一道生态屏障”；ecological 以元音音素开头，故用不定冠词 an。 7．考查宾语从句。句意：它是通过技术创新和组织能力可以实现的一个光辉榜样。介词of 后接宾语从句，从句中缺少主语，指代“可以实现的成果/事情”，用连接代词what引导宾语从句，并在从句中作主语。 8．考查动词不定式。句意：该持续性项目旨在到2030年恢复234万公顷退化土地，以保护环境并促进区域可持续发展。此处为固定结构 a target to do sth. 表示“做某事的目标”，不定式作后置定语修饰target，说明目标的具体内容。 9．考查形容词。句意：该持续性项目旨在到2030年恢复234万公顷退化土地，以保护环境并促进区域可持续发展。空后是名词短语sustainable development，需用形容词修饰；region 的形容词形式为regional，意为“区域的，地区的”。 10．考查非谓语动词。句意：随着绿色屏障的成功建成，这一曾饱受严重沙尘暴困扰的地区将迎来新的活力和充满活力的生态系统。分析句子可知，此处为非谓语动词作后置定语修饰this region，region与 trouble（困扰）是被动关系（该地区被沙尘暴困扰），用过去分词troubled作后置定语。 6 / 24网（北京）股份有限公司 学科网（北京）股份有限公司 学科网（北京）股份有限公司 学科网（北京）股份有限公司 $