Unit 6 Life in the future核心单词,词性转换,短语,语法,句型精练-2025-2026学年八年级英语上学期题型练习（沪教版五四学制2024）

班级 姓名 学号 分数 Unit 6 Life in the future 单元重点单词变形短语语法句型精练 （时间：60分钟，满分：90分） 1、 用括号内所给单词的适当形式填空(本大题共30小题，每小题1分，共30分) 1．The deer is (probable) looking for food. 2．Volunteers help the with their daily lives weekly. (able) 3．The world of insects is strange. Take a close look at it, and you’ll discover many things. (believable) 4．Linda bought two colourful (scarf) for her grandma. 5．One will find himself healthier if he in giving up taking much sugar. (success) 6．The man under the tree is my uncle. (sit) 7．You will get fish bones trapped in your throat if you talk while . (eat) 8．The baby saw her mother and stopped . (cry) 9．It’s hard to imagine on the moon. (live) 10．It’s (risk) to cross the street without looking both ways first. 11．We shared interesting stories about school (journey) during the class meeting last week. 12．Once you (pass) your test, we will buy a new bike for you. 13．It took me around 30 minutes to pass the check. (secure) 14．Each cell in the human brain is a thousand times than a computer. (power) 15．It is for the children to lift such a heavy box. (possible) 16．The novel has been translated into many languages, German. (include) 17．Mr. Chen was surprised to see the fast development in his hometown after his long . (absent) 18．After a whole day’s work in the field, Henry felt tired but very proud of . (he) 19．Poor Danny! He injured his arm when riding his bike. (accident) 20．We were all asked to climb the wall, but I knew I couldn’t get to the top because I am afraid of (high) 21．Start right away, or you are to complete the task on schedule. (likely) 22．Scientists have found that thinking can make you happier and more successful. (positive) 23．Computers now affect millions of people in ways every day. (count) 24．The ancient built the pyramids, which still stand as a proof of their incredible architectural and engineering skills. (Egypt) 25．Many years ago, Jane in the flat with her grandmother. (live) 26．In the world of fashion, she is one of designers. (influence) 27．The scientist is excited about the field of quantum computing. (explore) 28．The artist’s way of painting brought the canvas to life with bright colors and beautiful patterns. (imagine) 29．Scientists are trying to find new ways of (produce) food. 30．There will be more (pollute) if we don’t protect the environment. 二、根据汉语提示完成单词(本大题共15小题，每小题1分，共15分) 31．Life is a kind of (旅行). It means you keep going. 32．Are you (熟悉的) with the history of this ancient city? 33．Jack dreams of flying (火箭) to the moon one day. 34．On the top of the hill stood an ancient (塔) with a history of more than 1,000 years. 35．Helen Keller was not (能够) to see or hear, but she didn’t give up. 36．Max did not want to (冒险) losing this job as he really needed it. 37．Is Sam (缺席的) from today’s class again? 38．It’s (难以置信的) that technology has progressed in such a rapid way. 39．A (英里) is about 1,609 metres. 40．Your (航班) number is CA556. The plane will take off in five minutes. 41．I found her lying on the (地面). 42．Thank you for helping kids with (癌症). 43．You won’t pass the exam (除非) you study harder. 44．Please (圈出) all the important words and write them down. 45．She wants to buy a beautiful (帽子) for a wedding. 三、完成句子(本大题共15小题，每小题3分，共45分) 46．We will not tell the secret to anyone else because we have decided to keep it just among us.  (对画线部分提问) we tell the secret to anyone else? 47．Many volunteers have offered a lot of help to the community in the past ten years. (对划线部分提问) many volunteers offered to the community in the past ten years? 48．single, of, a journey, with, a, begins, a thousand, miles, step (连词成句) . 49．if will leave thinks dead me it the bear I’m alone (.) 50．keep, we, in, and, should, the, danger, wise, of, face, decisions, calm, make (连词成句) . 51．travel, space, elevator, to, people, other, will, planets, by . 52．robots, help, fires, put, will, out, brave, instead of, firefighters . 53．future, in, the, with, people, will, disks, antigravity, fly, small . 54．Tina could play the piano at the age of six. (改成同义句) Tina play the piano at the age of six. 55．They will go for a picnic unless it rains tomorrow. (保持句意基本不变) They will go for a picnic it tomorrow. 56．He sat in the front of the classroom in order to see the blackboard clearly. (改为同义句) He sat in the front of the classroom he could see the blackboard clearly. 57．Could you work out the math problem? (改为同义句) you work out the math problem? 58．If you don’t hurry up, we will miss the train. (同义句) We miss the train you hurry up. 59．There is little possibility for them to reach the mountaintop before dark. (保持句意基本不变) is almost for them to reach the mountaintop before dark. 60．Maybe people can meet aliens and make friends with them in the future. (保持句意基本不变) Maybe people will be meet aliens and make friends with them in the future. 试卷第1页，共3页 试卷第1页，共3页 学科网（北京）股份有限公司 $ 班级 姓名 学号 分数 Unit 6 Life in the future 单元重点单词变形短语语法句型精练 （时间：60分钟，满分：90分） 1、 用括号内所给单词的适当形式填空(本大题共30小题，每小题1分，共30分) 1．The deer is (probable) looking for food. 【答案】probably 【详解】句意：这只鹿可能正在寻找食物。probable“可能的”，形容词。根据“looking for food”可知，此处应用副词修饰动词短语，probable的副词形式为probably。故填probably。 2．Volunteers help the with their daily lives weekly. (able) 【答案】disabled 【详解】句意：志愿者们每周帮助残疾人处理他们的日常生活。根据“Volunteers help the...with their daily lives weekly.”可知，志愿者帮助的对象应是一类需要支持的人群，即“残疾人”，“the+形容词”表示一类人，disabled“有残疾的”，形容词，符合语境，故填disabled。 3．The world of insects is strange. Take a close look at it, and you’ll discover many things. (believable) 【答案】unbelievable 【详解】句意：昆虫的世界很奇特。仔细观察一番，你会发现许多令人难以置信的事情。根据“The world of insects is strange. (昆虫的世界很奇怪) ”可知，此处表示“你会发现许多令人难以置信的事情”，believable意为“可信的”，应填其反义词unbelievable“难以置信的”。故填unbelievable。 4．Linda bought two colourful (scarf) for her grandma. 【答案】scarfs/scarves 【详解】句意：琳达给她奶奶买了两条色彩鲜艳的围巾。scarf“围巾”，可数名词；由two可知，此处应用名词复数。故填scarfs/scarves。 5．One will find himself healthier if he in giving up taking much sugar. (success) 【答案】succeeds 【详解】句意：如果一个人成功戒掉摄入过多糖分，他会发现自己变得更健康。分析句子成分可知，设空处缺少动词，success的动词形式为succeed；本句为if引导的条件状语从句，遵循“主将从现”的原则，且从句主语为第三人称单数，所以填动词的第三人称单数形式。故填succeeds。 6．The man under the tree is my uncle. (sit) 【答案】sitting 【详解】句意：坐在树下的那个男人是我的叔叔。sit“坐”，此处应用非谓语动词作后置定语修饰名词The man，The man和sit之间是主动关系，应用现在分词，sit现在分词为sitting。故填sitting。 7．You will get fish bones trapped in your throat if you talk while . (eat) 【答案】eating 【详解】句意：如果你吃饭时说话，鱼刺将卡在你的喉咙里。while意为“当……时候”，引导时间状语从句时，如果和主句主语一致，可省略主语和be动词，用现在分词表示正在发生的动作，可直接用eating，表示“当你吃鱼的时候”。故填eating。 8．The baby saw her mother and stopped . (cry) 【答案】crying 【详解】句意：婴儿看见她的妈妈后，停止了哭泣。stop doing sth.“停止做某事”，固定搭配，应用cry“哭泣”的动名词形式crying。故填crying。 9．It’s hard to imagine on the moon. (live) 【答案】living 【详解】句意：很难想象在月球上生活。live“生活”，为动词，imagine doing sth“想象做某事”，为固定搭配，故填living。 10．It’s (risk) to cross the street without looking both ways first. 【答案】risky 【详解】句意：不先看两边过马路是有风险的。根据“It’s to cross the street without looking both ways first.”以及所给单词可知，应填risk的形容词形式risky“有风险的、有危险的”，作表语，表示不先看两边过马路是有风险的。故填risky。 11．We shared interesting stories about school (journey) during the class meeting last week. 【答案】journeys 【详解】句意：在上周的班会上，我们分享了关于学校旅行的有趣故事。journey“旅行”，可数名词；此处表示泛指，应用复数形式journeys。故填journeys。 12．Once you (pass) your test, we will buy a new bike for you. 【答案】pass 【详解】句意：一旦你通过考试，我们就给你买一辆新自行车。句子为“once”引导的条件状语从句，遵循“主将从现”原则（主句用一般将来时，从句用一般现在时表将来）。根据“we will buy”可知，主语用一般将来时态，从句则用一般现在时态，主语“you”是第二人称，谓语动词用原形即可。故填pass。 13．It took me around 30 minutes to pass the check. (secure) 【答案】security 【详解】句意：我花了大约30分钟通过安检。“secure”是形容词，意为“安全的”；此处需要一个名词来修饰 “check”，表示“安全检查”，“secure”的名词形式是“security”，“security check”是固定短语，意为“安检”。故填security。 14．Each cell in the human brain is a thousand times than a computer. (power) 【答案】more powerful 【详解】句意：人类大脑中的每个细胞都比计算机强大一千倍。power“权力”，名词；“is”后接形容词powerful“强大的”作表语，表示主语“Each cell in the human brain”的特征；根据“than”可知，此处应用形容词的比较级more powerful。故填more powerful。 15．It is for the children to lift such a heavy box. (possible) 【答案】impossible 【详解】句意：孩子们不可能举起这么重的箱子。根据“It is…for the children to lift such a heavy box.”及提示词可知，孩子们不可能举起这么重的箱子，空前为is，空处应用形容词impossible“不可能的”作表语。故填impossible。 16．The novel has been translated into many languages, German. (include) 【答案】including 【详解】句意：这部小说已被翻译成多种语言，包括德语。根据句意及所给词“include”可知，此处表示“包括”，include现在分词形式“including”常用作介词，用于引出前述内容“many languages”中的具体例子，起补充说明的作用。故填including。 17．Mr. Chen was surprised to see the fast development in his hometown after his long . (absent) 【答案】absence 【详解】句意：陈先生惊讶地看到他家乡在他离开很长一段时间后发展迅速。根据“after his long”可知，空格处应填名词，作介词after后的宾语，形容词修饰该名词。absent“缺席的”，其名词形式为absence“缺席，离开”。故填absence。 18．After a whole day’s work in the field, Henry felt tired but very proud of . (he) 【答案】himself 【详解】句意：在地里干了一整天后，亨利感到很累，但也为自己感到骄傲。根据“Henry felt tired but very proud of... .”及提示词可知，应填he的反身代词形式himself“他自己”，作宾语，表示为自己感到骄傲。故填himself。 19．Poor Danny! He injured his arm when riding his bike. (accident) 【答案】accidentally 【详解】句意：可怜的丹尼！他骑自行车时意外伤了胳膊。空处修饰动词“injured”，填副词作状语。accident“事故”，名词，副词为accidentally“意外地”。故填accidentally。 20．We were all asked to climb the wall, but I knew I couldn’t get to the top because I am afraid of (high) 【答案】heights 【详解】句意：我们都被要求爬墙，但我知道我无法到达顶部，因为我恐高。空前介词“of”后需接名词或动名词形式，因此这里应用形容词high的名词形式height“高度”，be afraid of heights“恐高”，固定搭配。故填heights。 21．Start right away, or you are to complete the task on schedule. (likely) 【答案】unlikely 【详解】句意：立即开始，否则你不太可能按时完成任务。根据“Start right away, or...”可知，立即开始，否则……，后半句暗示不立即行动的消极后果，因此需用likely的否定形式unlikely“不太可能的”，形容词，在句中作系动词“are”的表语，构成固定搭配be unlikely to do sth.“不太可能做某事”。故填unlikely。 22．Scientists have found that thinking can make you happier and more successful. (positive) 【答案】positively 【详解】句意： 科学家发现，积极思考可以让你更快乐、更成功。空处修饰动词，应该用副词positively。故填positively。 23．Computers now affect millions of people in ways every day. (count) 【答案】countless 【详解】句意：如今，计算机每天以无数的方式影响着数百万人。空处修饰名词“ways”，填形容词作定语。又根据“Computers now affect millions of people”和提示词可知，此处指计算机正以数不尽的方式影响着人们。count“数数”，动词，countless“无数的，数不尽的”，形容词。故填countless。 24．The ancient built the pyramids, which still stand as a proof of their incredible architectural and engineering skills. (Egypt) 【答案】Egyptians 【详解】句意：古埃及人建造了金字塔，这些金字塔仍然作为他们非凡建筑和工程技能的证明。根据“built the pyramids”可知，空格处作主语，表示“古埃及人”，此处表泛指，需用名词复数形式，Egypt作名词复数形式为Egyptians。故填Egyptians。 25．Many years ago, Jane in the flat with her grandmother. (live) 【答案】lived 【详解】句意：许多年前，简和她的祖母住在这套公寓里。Many years ago“许多年前”是一般过去时的标志词，谓语动词要用过去式。live“居住”的过去式是lived。故填lived。 26．In the world of fashion, she is one of designers. (influence) 【答案】the most influential 【详解】句意：在时尚界，她是最有影响力的设计师之一。“one of + the + 形容词最高级 + 可数名词复数”意为“……中最……之一”。influence是动词或名词，其形容词形式influential“有影响力的”的最高级是the most influential。故填the most influential。 27．The scientist is excited about the field of quantum computing. (explore) 【答案】unexplored 【详解】句意：这位科学家对量子计算这一未探索的领域感到兴奋。此处需用形容词修饰field“领域”，explore是动词，其形容词形式unexplored“未探索的”符合语境。故填unexplored。 28．The artist’s way of painting brought the canvas to life with bright colors and beautiful patterns. (imagine) 【答案】imaginative 【详解】句意：这位艺术家富有想象力的绘画方式，用鲜艳的色彩和美丽的图案让画布焕发生机。此处需用形容词修饰way，imagine是动词，其形容词形式imaginative“富有想象力的”符合语境。故填imaginative。 29．Scientists are trying to find new ways of (produce) food. 【答案】producing 【详解】句意：科学家们正努力寻找生产食物的新方法。根据“Scientists are trying to find new ways of...food.”可知，句中“of”是介词，介词后接动词时，应该使用动名词形式。“produce”的动名词形式是“producing”。故填producing。 30．There will be more (pollute) if we don’t protect the environment. 【答案】pollution 【详解】句意：如果我们不保护环境，就会有更多的污染。pollute意为“污染”，是个动词。根据“more”可知此处要用名词，pollute的名词形式是pollution，故填pollution。 二、根据汉语提示完成单词(本大题共15小题，每小题1分，共15分) 31．Life is a kind of (旅行). It means you keep going. 【答案】journey 【详解】句意：人生是一种旅程。这意味着你要继续前行。根据中文提示，journey“旅行”符合语境，a接名词单数。故填journey。 32．Are you (熟悉的) with the history of this ancient city? 【答案】familiar 【详解】句意：你熟悉这座古城的历史吗？根据汉语提示“熟悉的”，英文单词为“familiar”。be familiar with对……熟悉。故填familiar。 33．Jack dreams of flying (火箭) to the moon one day. 【答案】rockets 【详解】句意：杰克梦想有一天乘坐火箭飞往月球。根据汉语提示可知，“火箭”对应的英文单词是rocket。rocket是可数名词，此处泛指，强调火箭这一类交通工具，需用复数形式rockets。故填rockets。 34．On the top of the hill stood an ancient (塔) with a history of more than 1,000 years. 【答案】tower 【详解】句意：山顶上矗立着一座有1000多年历史的古老的塔。“塔”对应的英文为tower，an后接可数名词单数。故填tower。 35．Helen Keller was not (能够) to see or hear, but she didn’t give up. 【答案】able 【详解】句意：海伦·凯勒既看不见也听不见，但她没有放弃。根据was…to以及中文提示可知，此处用be able to表示“能够”，故填able。 36．Max did not want to (冒险) losing this job as he really needed it. 【答案】risk 【详解】句意：麦克斯不想冒失去这份工作的风险，因为他真的很需要这份工作。risk“冒险”，是动词，空前有to，此处动词用原形，故填risk。 37．Is Sam (缺席的) from today’s class again? 【答案】absent 【详解】句意：今天的课Sam又缺席了吗？absent“缺席的”，be absent from“缺席……”。故填absent。 38．It’s (难以置信的) that technology has progressed in such a rapid way. 【答案】unbelievable 【详解】句意：难以置信的是，技术以如此快速的方式进步了。根据题意和汉语提示可知，It’ s +adj.+that从句.“做某事是……的”，形容词表示某种建议、要求、命令、愿望、可能性等主观情感或看法，此处unbelievable的意思是“难以置信的”，符合题意。故填unbelievable。 39．A (英里) is about 1,609 metres. 【答案】mile 【详解】句意：一英里是大约1609米。空前为“a”，修饰名词单数；根据汉语提示，mile意为“英里”，可数名词，在句中作主语。故填mile。 40．Your (航班) number is CA556. The plane will take off in five minutes. 【答案】flight 【详解】句意：您的航班号是CA556。飞机将在五分钟后起飞。“航班”flight，flight number“航班号”。故填flight。 41．I found her lying on the (地面). 【答案】ground 【详解】句意：我发现她躺在地面上。“地面”用ground，名词作宾语，on the ground“在地面上”。故填ground。 42．Thank you for helping kids with (癌症). 【答案】cancer 【详解】句意：感谢你帮助患有癌症的孩子们。cancer“癌症”，作为疾病名称时通常不可数。故填cancer。 43．You won’t pass the exam (除非) you study harder. 【答案】unless 【详解】句意：除非你更努力学习，否则你不会通过考试。unless意为“除非”，引导条件状语从句，符合语境。故填unless。 44．Please (圈出) all the important words and write them down. 【答案】circle 【详解】句意：请圈出所有重要单词并写下来。circle“圈出”，分析句子结构可知，此句为祈使句，用动词原形。故填circle。 45．She wants to buy a beautiful (帽子) for a wedding. 【答案】hat 【详解】句意：她想为婚礼买一顶漂亮的帽子。hat“帽子”，可数名词；空前有不定冠词a，空处应用名词的单数形式。故填hat。 三、完成句子(本大题共15小题，每小题3分，共45分) 46．We will not tell the secret to anyone else because we have decided to keep it just among us.  (对画线部分提问) we tell the secret to anyone else? 【答案】 Why won’t 【详解】句意：我们不会把这个秘密告诉其他任何人，因为我们已经决定只在我们之间保守它。划线部分是“because we have decided to keep it just among us”，是原因，对原因提问用“Why”。原句是一般将来时的否定句，变疑问句时将“will not”（缩写为“won’t”）提到主语前，句首首字母大写。故填Why；won’t。 47．Many volunteers have offered a lot of help to the community in the past ten years. (对划线部分提问) many volunteers offered to the community in the past ten years? 【答案】 What have 【详解】句意：在过去的十年里，许多志愿者为社区提供了很多帮助。划线部分是对事物提问，用疑问词what，此处是特殊疑问句，谓语现在完成时，主语many volunteers是复数形式，因此助动词用have。故填What；have。 48．single, of, a journey, with, a, begins, a thousand, miles, step (连词成句) . 【答案】A journey of a thousand miles begins with a single step 【详解】根据所给词可知，句子是陈述句，此句是一个谚语，主语是A journey，介词短语of a thousand miles作后置定语，修饰主语；谓语动词是begins，begin with“以……开始”，介词with的宾语是a single step。故填A journey of a thousand miles begins with a single step“千里之行，始于足下”。 49．if will leave thinks dead me it the bear I’m alone (.) 【答案】If the bear thinks I’m dead, it will leave me alone. 【详解】根据所给词汇及标点符号可知，句子为条件状语从句：if如果，引导条件状语从句；will leave将离开；thinks认为；dead死的；me我；it它；the bear熊；I'm alone我独自一人；句号表示陈述句结束。故填If the bear thinks I’m dead, it will leave me alone.“如果熊认为我死了，它就会让我独自待着。” 50．keep, we, in, and, should, the, danger, wise, of, face, decisions, calm, make (连词成句) . 【答案】We should keep calm and make wise decisions in the face of danger 【详解】根据所给单词和标点可知，这是一个由“and”连接的并列句。“We should keep calm”和“we should make wise decisions in the face of danger”是两个并列的部分，由于主语都是we且情态动词should相同，在并列时可以省略第二个分句的主语和情态动词，直接保留核心动词短语“make wise decisions in the face of danger” 。 keep calm保持冷静，固定短语；make decisions做决定，固定短语；wise聪明的，形容词，修饰decisions，即“做出明智的决定”；in the face of面对……时，固定短语；danger危险，名词，所以“in the face of danger”表示“面对危险时”。 故填We should keep calm and make wise decisions in the face of danger“面对危险时，我们应该保持冷静并做出明智的决定”。 51．travel, space, elevator, to, people, other, will, planets, by . 【答案】People will travel to other planets by space elevator 【详解】根据单词和标点提示可知，句子为陈述句，且时态为一般将来时；people“人们”，作句子的主语，位于句首，首字母要大写；will“将，会”，后接动词原形；travel to other planets“前往其他星球”；by space elevator“通过太空电梯”，介词短语，在句中作方式状语，通常置于句末。故填People will travel to other planets by space elevator“人们将通过太空电梯前往其他星球”。 52．robots, help, fires, put, will, out, brave, instead of, firefighters . 【答案】Brave robots will help put out fires instead of firefighters 【详解】根据单词和标点提示可知，句子为陈述句，且时态为一般将来时；brave robots“勇敢的机器人”，作句子的主语，位于句首，首字母要大写；will“将，会”，后接动词原形；help do sth.“帮助做某事”，固定搭配；put out fires“灭火”，动词短语；instead of“代替”，介词短语；firefighters“消防员”，名词。故填Brave robots will help put out fires instead of firefighters“勇敢的机器人将代替消防员帮助灭火”。 53．future, in, the, with, people, will, disks, antigravity, fly, small . 【答案】In the future, people will fly with small antigravity disks 【详解】根据所给标点可知应用陈述句的形式，分析所给单词，in the future作时间状语，置于句首；people作主语，表示“人们”；will作助动词；fly作谓语，表示“飞行”；with small antigravity disks作方式状语，表示“用小型的反重力盘”。故填In the future, people will fly with small antigravity disks“在未来，人们将用小型的反重力盘飞行”。 54．Tina could play the piano at the age of six. (改成同义句) Tina play the piano at the age of six. 【答案】 was able to 【详解】句意：蒂娜六岁就会弹钢琴了。“could”表示过去的能力，相当于“能够”或“会”，其同义表达是“was able to”，故填was；able；to。 55．They will go for a picnic unless it rains tomorrow. (保持句意基本不变) They will go for a picnic it tomorrow. 【答案】 if doesn’t rain 【详解】句意：如果明天不下雨，他们就去野餐。原句中的“unless it rains”表示“除非下雨”，即“如果不下雨”，因此可以替换为“if it doesn’t rain”。故填if；doesn’t；rain。 56．He sat in the front of the classroom in order to see the blackboard clearly. (改为同义句) He sat in the front of the classroom he could see the blackboard clearly. 【答案】 so that 【详解】句意：为了能看清黑板，他坐在教室的前面。in order to“为了”，改为同义句，可用so that引导目的状语从句。故填so；that。 57．Could you work out the math problem? (改为同义句) you work out the math problem? 【答案】 Are able to 【详解】句意：你能解出这道数学题吗？could表示委婉的可能性或能力，可以改为表达能力的同义结构be able to，Could you do sth=Are you able to do sth“你能够做某事吗”，故填Are；able；to。 58．If you don’t hurry up, we will miss the train. (同义句) We miss the train you hurry up. 【答案】 will unless 【详解】句意：如果你不快点，我们就会错过火车。原句是一个条件状语从句，表示“如果不快点儿，就会错过火车”。要将其改写为同义句，且保持句意不变，可以使用unless来引导条件状语从句，表示“除非”。因此，第一空应填will；第二空应填unless。故填will；unless。 59．There is little possibility for them to reach the mountaintop before dark. (保持句意基本不变) is almost for them to reach the mountaintop before dark. 【答案】 It impossible 【详解】句意：他们几乎不可能在天黑前到达山顶。根据“little possibility”可知，原句表示几乎没有可能性；根据题干可知，改写后的句子是“It is+形容词+for sb. to do sth.”句型，意为“对某人来说做某事是……的”，impossible表示“不可能的”，能替换“little possibility”，表达相同的否定可能性的意思。故填It；impossible。 60．Maybe people can meet aliens and make friends with them in the future. (保持句意基本不变) Maybe people will be meet aliens and make friends with them in the future. 【答案】 able to 【详解】句意：也许将来人们能够遇见外星人并和他们交朋友。通过对比两句可发现，空缺部分意思是“能够”，对应原句的“can”，can等于be able to，都表示“能够”的意思。故填able；to。 试卷第1页，共3页 试卷第1页，共3页 学科网（北京）股份有限公司 $