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/ 让学习更有效 新课备课备考 | 英语学科
/ 让学习更有效 新课备课备考 | 英语学科
2025-2026学年八年级英语上册单元复习考点培优沪教版（2024）Unit 1 Look it up!
专题08 短文填空
学校:___________姓名：___________班级：___________考号：___________
The Yongle Encyclopedia
The Yongle Encyclopedia is a famous ancient Chinese encyclopedia. In the Ming Dynasty, the emperor wanted to c 1 a huge book to record all knowledge of that time. Scholars o 2 thousands of old books and materials, then put them in o 3 by topic. They worked carefully to edit the content, making sure each part was accurate.
The encyclopedia has over 11,000 v 4 , each filled with information about history, literature, science, and art. It not only r 5 ancient wisdom but also showed how people organized knowledge long ago. Though many books were lost, it remains an important record of Chinese culture. Even today, people study it to learn about the past!
短文填词
Thomas Edison was born in the US in 1847. From an early age, he showed great intelligence in science. He was talented in solving problems and learned to do experiments by himself. P 6 his most famous i 7 is the light bulb, which c 8 changed the way people lived at night.
Edison’s inventions i 9 the phonograph and the motion picture camera. He believed that hard work was more important than t 10 . Once, he tried thousands of materials to find the right one for the light bulb. “G 11 is one percent inspiration (灵感) and ninety-nine percent perspiration (坚持),” he said. His inventions still help people today and show how intelligence can change the world.
短文填词
Nie Er: A Great Chinese Composer
Nie Er was a famous Chinese composer. His o 12 name was Nie Shouxin. He was born on February 14, 1912, in Kunming, Yunnan. During his short life, he saw much s 13 in China during the war, which made him want to help people through music.
Nie Er created many popular songs, and his most famous work is The March of the Volunteers, which later became China’s n 14 anthem. Sadly, he died at the young age of 23 in 1935, but his music has had a great i 15 on Chinese people.
Today, people still a 16 Nie Er for his talent and love for the country. His songs not only showed his care for people’s lives but also encouraged many to fight for a better future. Though he lived a short life, his music remains alive in everyone’s heart.
Da Vinci, Leonardo
Leonardo da Vinci was an Italian painter, inventor, musician, engineer and 17 (science).
Da Vinci was 18 (extreme) intelligent, and he was unusually talented in many different fields. He was a true genius, and his paintings and inventions changed the way we think about art and science.
Leonardo da Vinci was born in the countryside in Italy. From an early age, he 19 (show) great intelligence and artistic talent. As he grew older, he learnt to do many different things. His 20 (paint) are very famous, and one, the Mona Lisa, is perhaps the most famous painting in the world. He also had many inventions. For example, his notebooks include some 21 (interest) drawings of flying machines and other vehicles.
Dinosaurs
Dinosaurs are 22 type of prehistoric animal. They are 23 (relate) to crocodiles, snakes and lizards. They are also the ancestors of today’s birds. Dinosaurs first appeared around 245 million years ago. The word “dinosaur” comes from two Greek words, and it means “terrible lizard”.
Dinosaurs lived on land and walked on either two 24 four legs. Many dinosaurs ate plants, but some ate meat. Dinosaurs came in different sizes. Some were as small as chickens, and others were as big as ten elephants.
Dinosaurs ruled the Earth for more than 180 million years. About 66 million years ago, dinosaurs suddenly died 25 . Scientists are not completely sure why. However, they are learning more and more about dinosaurs by 26 (study) their fossils.
语篇填空
Here are two articles from an encyclopaedia.
Da Vinci, Leonardo
Leonardo da Vinci was an Italian painter, inventor, musician, engineer and 27 (science). Da Vinci was born in the countryside. From an early age, he 28 (show) great intelligence and artistic ability. As he grew older, he learnt to do many different things. His 29 (paint) are very famous, and one, the Mona Lisa, is perhaps the most famous painting in the world. He also had 30 (much) inventions. For example, his notebooks include some 31 (interest) drawings of flying machines.
Dinosaurs
Dinosaurs lived on Earth more than 60 million years before human beings. They lived everywhere on Earth. Some dinosaurs were as 32 (small) as chickens. Others were as big as ten elephants. Some 33 (can) even fly. Many dinosaurs ate plants. However, some dinosaurs liked 34 (eat) meat. Dinosaurs lived on Earth for more than 150 million years. Then, suddenly, they all died out. Nobody 35 (know) why. However, we can learn about them from 36 (they) fossils.
根据短文内容及首字母提示在所给横线上写出完整单词，并注意其形式。
The word “encyclopaedia” comes from Greek. It m 37 “general education”. An encyclopaedia is a k 38 of reference book (参考书) and there is the information from either all branches of knowledge or a special branch of knowledge.
People b 39 to use it about 2,000 years ago. The oldest one is natural historian.
It was written by Pliny the Elder. The modern encyclopaedias developed from dictionaries around the 17th century. Some encyclopaedias are made up of only one volume (册), but o 40 may have lots of volumes. There are also some online encyclopaedias, such as Wikipedia. They are often free for people l 41 for information.
阅读下面短文，在空白处填入一个适当的单词或括号内单词的正确形式，并将答案写在答题卡规定的位置上。
Do you know about Confucius Confucius is 42 (great) teacher in Chinese history. His birthday was on September 28. Although he 43 (live) over 2,000 years ago, people still remember and respect him for his contribution to the education today.
Confucius lived in the Kingdom of Lu in Shandong Province. He lived during the Spring and Autumn Period. He had 44 hard childhood. His father died when he was only 3. His mother brought him up. As a child, he had to work 45 (help) his mother, but young Confucius didn’t give up 46 (study). He visited many famous teachers and learnt music, history, poetry and sports.
Later, he became a teacher and started the 47 (one) public school in Chinese history. At that time, only children from noble (贵族的) families could go to school, but Confucius believed everyone should go to school 48 they wanted to learn. He had about 3,000 49 (student) in his life.
Today, people still follow Confucius’ lessons. He told us that we all have something worthy to be learnt. “When I am with three people, one of them must be better 50 me in some areas. I choose their good qualities and follow them.”
He also taught 51 (we) that thinking is very important in study. “All study but no thinking makes people puzzled. All thinking but no study makes people lazy.”
根据短文内容，用所给单词的适当形式填空，未提供单词的根据上下文填入适当的词。
Lang Lang was born on June 14, 1982 in Shenyang, Liaoning Province. He is one of the most famous 52 (music) in the world. He is popular because of his intelligence and love for music.
When Lang Lang was two and a half years old, he liked a famous cartoon, Tom and Jerry. One day, he watched Tom playing the piano on TV, and then he became interested in it. From then on, he enjoyed 53 (play) his father’s old piano. Soon he could play a short tune (曲子) by 54 (he). His father was really 55 (surprise) and began to let him take piano lessons.
When he was three, Lang Lang learned the piano 56 Zhu Yafen, a famous music teacher. Two years later, he took part in 57 competition for the first time and won first prize. After that, he 58 (give) the first concert of his life. In his 59 (twenty), Mr. Obama invited him to play the piano at the White House. Lang Lang played the song My Motherland. When the concert was over, he said to the reporter, “I chose this song 60 I love China.”
Now, lots of people love his beautiful music. He is really a born artist! We are all proud of him. More importantly, Lang Lang encourages millions of young people 61 (learn) classical music (古典音乐)!
The giant panda is a national treasure of China. It is famous 62 a living fossil. Most pandas have black-and-white fur. They look very cute and have higher 63 (intelligent) than many animals. They can follow the zookeepers’ 64 (instruction) without difficulty. That’s why almost everyone 65 (like) them.
Giant pandas love eating bamboo best. But they also enjoy other food, including birds, fish 66 some small animals. A panda at 67 (born) only weighs about 120 grams, while a grown-up panda’s weight can rise up to about 120 kilograms.
Wild giant pandas live in cool and wet bamboo forests of central and western China, high up in the mountains. They show great ability to climb trees from 68 early age.
The living giant panda was 69 (one) found in Sichuan by a Frenchman. Because giant pandas were in danger of 70 (die) out, they were on the list of the endangered species. Luckily, in 2016, 71 (science) changed the level of giant pandas on the list. It’s China’s success in rebuilding bamboo forests.
语法填空
Online encyclopedias are like endless treasure boxes filled with 72 (know) on the Internet. Wherever you are, as long as you have a computer, tablet, or smartphone, you can open 73 (they) and explore a wide world of information. You can learn about the great leaders 74 history, the latest findings in science, the cultures of different 75 (country), and even the secrets of ancient civilizations.
What makes online encyclopedias special is that they can be updated constantly. Unlike 76 (tradition) books, which need a long time to revise and publish new editions, information on online encyclopedias can change every day. For instance, when a new planet 77 (discover) in space or a popular movie is released, details about them 78 (appear) online soon.
However, we must use online encyclopedias 79 (careful). Sometimes, people might write wrong information by accident, or some content may not be fully checked. So, if you use the information from online encyclopedias for homework or research, it’s important 80 (check) it with other trusted resources, like school books or government websites.
All in all, online encyclopedias are 81 (amaze) tools. They help us learn quickly and satisfy our curiosity. With smart use, they will be our best friends on the learning journey.
/ 让学习更有效 新课备课备考 | 英语学科
/ 让学习更有效 新课备课备考 | 英语学科
21世纪教育网(www.21cnjy.com)
21世纪教育网(www.21cnjy.com)
参考答案及试题解析
1．(c)reate 2．(o)rganized 3．(o)rder 4．(v)olumes 5．(r)ecorded
【导语】本文主要介绍了《永乐大典》。
1．句意：在明朝，皇帝想要编撰一本巨著来记录当时所有的知识。根据“...a huge book to record all knowledge of that time.”可知，此处指“创作一本书”，create“创造”，不定式符号to后接动词原形。故填(c)reate。
2．句意：学者们整理了成千上万的旧书和资料，然后按主题排序。根据“thousands of old books”可知，此处指整理书籍，organize“整理，筹备”，本句时态为一般过去时，动词要用过去式。故填(o)rganized。
3．句意：学者们整理了成千上万的旧书和资料，然后按主题排序。根据“then put them in o... by topic.”可知，本题考查in order“有序地，整齐地”。故填(o)rder。
4．句意：这部百科全书有超过11000卷，每一卷都充满了关于历史、文学、科学和艺术的信息。根据“The encyclopedia has over 11,000 v...”可知，此处指“书卷”，要用可数名词volume“卷，册”的复数形式。故填(v)olumes。
5．句意：它不仅记录了古代的智慧，也展示了很久以前人们是如何组织知识的。根据“It not only r... ancient wisdom”可知，本书记录了古人的智慧，本句时态为一般过去时，动词record“记录”要用过去式。故填(r)ecorded。
6．(P)erhaps 7．(i)nvention 8．(c)ompletely 9．(i)ncluded 10．(t)alent 11．(G)enius
【导语】本文是一篇记叙文，主要介绍了发明家托马斯·爱迪生的生平及其重要发明，强调了他的勤奋与智慧对世界的深远影响。
6．句意：或许他最著名的发明是电灯泡，它彻底改变了人们夜间的生活方式。根据“... his most famous ... is the light bulb, which ... changed the way people lived at night.”可知，句子缺副词表推测，“Perhaps”是副词，符合语境表不确定的语气。故填(P)erhaps。
7．句意：或许他最著名的发明是电灯泡，它彻底改变了人们夜间的生活方式。根据“... his most famous ... is the light bulb, which ... changed the way people lived at night.”可知，“most famous”后需接名词，“invention”是名词，电灯泡属于发明，契合语义，此处用单数。故填(i)nvention。
8．句意：或许他最著名的发明是电灯泡，它彻底改变了人们夜间的生活方式。根据“... his most famous ... is the light bulb, which ... changed the way people lived at night.”可知，“changed”是动词，需副词修饰，“completely”是副词，说明改变的程度。故填(c)ompletely。
9．句意：爱迪生的发明包括留声机和电影摄影机。根据“Edison’s inventions ... the phonograph and the motion picture camera.”可知，文章讲过去的事，用一般过去时，“included”是“include”的过去式，作谓语表过去的情况。故填(i)ncluded。
10．句意：他认为努力工作比天赋更重要。根据“He believed that hard work was more important than ...”可知，“than”后接名词，“talent”是名词，与“hard work”对应，符合语义。故填(t)alent。
11．句意：“天才是百分之一的灵感加百分之九十九的坚持，”他说。根据“... is one percent inspiration (灵感) and ninety-nine percent perspiration (坚持)”可知，句子缺主语，“Genius”是名词，指“天才”，作为名言内容，首字母大写，契合语义。故填(G)enius。
12．(o)riginal 13．(s)uffering 14．(n)ational 15．(i)nfluence 16．(a)dmire
【导语】本文介绍了中国著名作曲家聂耳的生平、他的代表作《义勇军进行曲》以及他的音乐对中国人民产生的深远影响。
12．句意：他的原名是聂守信。根据“name was Nie Shouxin”以及首字母提示可知，聂耳原名聂守信，original“原来的”，形容词作定语修饰名词name。故填(o)riginal。
13．句意：在他短暂的一生中，他目睹了战争中中国人民遭受的苦难，这使他想通过音乐帮助人民。根据“During his short life, he saw much...in China during the war”以及首字母提示可知，此处指的是战争中中国人民遭受的苦难，suffering“痛苦，苦难”，不可数名词。故填(s)uffering。
14．句意：聂耳创作了许多流行歌曲，他最著名的作品是《义勇军进行曲》，后来成为中国的国歌。根据“The March of the Volunteers, which later became China’s...anthem”以及首字母提示可知，《义勇军进行曲》是中国的国歌，national“国家的”，形容词作定语修饰名词anthem。故填(n)ational。
15．句意：不幸的是，他于1935年去世，年仅23岁，但他的音乐对中国人民产生了巨大的影响。根据“but his music has had a great...on Chinese people”以及首字母提示可知，此处考查短语have a great influence on“对……有巨大影响”。故填(i)nfluence。
16．句意：今天，人们仍然钦佩聂耳的才华和爱国情怀。根据“people still...Nie Er for his talent and love for the country”以及首字母提示可知，此处指的是人们钦佩聂耳的才华和爱国情怀，admire“钦佩”，动词；根据“still”可知，句子时态为一般现在时，主语people为复数，谓语动词用原形。故填(a)dmire。
17．scientist 18．extremely 19．showed 20．paintings 21．interesting 22．a 23．related 24．or 25．out 26．studying
【导语】本文主要介绍了一本百科全书的两篇文章，一篇是关于莱昂纳多·达·芬奇，另一篇是关于恐龙的。
17．句意：莱昂纳多·达·芬奇是意大利画家、发明家、音乐家、工程师和科学家。根据“painter, inventor, musician, engineer and…”可知，画家、发明家、音乐家、工程师这些都是职业，“科学家”是scientist，是名词。故填scientist。
18．句意：达芬奇是极其聪明的，他在许多不同的领域都有非凡的才能。 此处需要填入一个副词，修饰形容词intelligent，extreme的副词是extremely。故填extremely。
19．句意：从很小的时候，他就表现出了巨大的智慧和艺术才能。根据“From an early age”可知，本句的时态是一般过去时，动词需用过去式。show的过去式是showed。故填showed。
20．句意：他的画非常有名，其中一幅《蒙娜丽莎》可能是世界上最著名的画。根据“the Mona Lisa”可知，《蒙娜丽莎》是作品。本句表达的应是：他的画非常有名。“画、作品”可译为painting，是可数名词，此处需用名词的复数paintings。故填paintings。
21．句意：例如，他的笔记本上有一些有趣的飞行器图。根据“his notebooks include some…(interest) drawings of flying machines”可知，此处缺形容词，并且它是修饰物“drawings”，需用形容词“令人感兴趣的”interesting。故填interesting。
22．句意：恐龙是一种史前动物。“a type of”表示“一种”，这里是说恐龙是一种史前动物，故填a。
23．句意：恐龙和恐龙与鳄鱼、蛇和蜥蜴属于同一物种。“be related to”是固定搭配，表示“与……属于同一种类”，这里是说恐龙与鳄鱼、蛇和蜥蜴属于同一物种，故填related。
24．句意：恐龙在陆地上行走，要么用两条腿要么用四条腿“either...or...”是固定搭配，表示“要么……要么……；或者……或者……”，故填or。
25．句意：大约6600万年前恐龙突然灭绝了。“die out”表示“灭绝”，故填out。
26．然而，他们正在通过研究他们的化石来了解更多关于恐龙的知识。“by”是介词，后接动词的-ing形式，故填studying。
27．scientist 28．showed 29．paintings 30．many 31．interesting 32．small 33．could 34．to eat 35．knows 36．their
【导语】本文主要介绍了一本百科全书的两篇文章。
27．句意：多·达·芬奇是意大利画家、发明家、音乐家、工程师和科学家。根据“painter, inventor, musician, engineer and…”可知，画家、发明家、音乐家、工程师这些都是职业，“科学家”是scientist，是名词。故填scientist。
28．句意：从很小的时候，他就表现出了巨大的智慧和艺术才能。根据“From an early age”可知，本句的时态是一般过去时，动词需用过去式。show的过去式是showed。故填showed。
29．句意：他的画非常有名，其中一幅《蒙娜丽莎》可能是世界上最著名的画。根据“the Mona Lisa”可知，《蒙娜丽莎》是作品。本句表达的应是：他的画非常有名。“画、作品”可译为painting，是可数名词，此处需用名词的复数paintings。故填paintings。
30．句意：他也有许多发明。根据“inventions”可知，它是可数名词复数，需用many来修饰。故填many。
31．句意：例如，他的笔记本上有一些有趣的飞行器图。根据“his notebooks include some…(interest) drawings of flying machines”可知，此处缺形容词，并且它是修饰物“drawings”，需用形容词“令人感兴趣的”interesting。故填interesting。
32．句意：有些恐龙像鸡一样小。本题考查短语：as+形容词原级+as。“small”小的，是形容词。故填small。
33．句意：有些甚至会飞。根据“Some…(can) even fly. ”可知，本句的时态是一般过去时，“can”能，它的过去式是could。故填could。
34．句意：然而，有些恐龙喜欢吃肉。根据“some dinosaurs liked…(eat) meat.”可知，本题考查短语“喜欢做某事”like to do sth，表示偶尔喜欢做某事。故填to eat。
35．句意：没人知道原因。根据“Nobody…(know) why.”可知，本句的动词表示状态，时态需用一般现在时。主语是Nobody，不定代词作主语，谓语动词需用单数。故填knows。
36．句意：然而，我们可以从它们的化石中了解它们。根据“However, we can learn about them from…(they) fossils.”可知，此空缺的是形容词性的物主代词，修饰其后的名词fossils。故填their。
37．(m)eans 38．(k)ind 39．(b)egan 40．(o)thers 41．(l)ooking
【导语】本文介绍了“百科全书”的出处、作者以及内容。
37．句意：它意味着“通识教育”。根据首字母提示及“ ‘general education’ ”可知，空处指“意味着”，其英文为mean，主语It为第三人称单数，谓语动词用单三形式。故填(m)eans。
38．句意：百科全书是一种参考书，既有来自所有知识分支的信息，也有来自某一特殊知识分支的信息。a kind of表示“一种……”，为固定短语。故填(k)ind。
39．句意：大概2000年前人们开始用它。根据首字母提示及“to use it about...”可知，空处指“开始”，其英文为begin；再根据“about 2,000 years ago”可知，时态为一般过去时，谓语动词需用过去式，即begin的过去式began。故填(b)egan。
40．句意：一些百科全书仅由一册组成，但其他的一些有很多册。Some...others...为固定搭配，表示“一些……，其他的……”，Others是other的复数形式，泛指“另外几个，其余的”。故填(o)thers。
41．句意：他们对寻求信息的人来说是免费的。根据首字母提示及“for people...for information”可知，空处指“寻找”，其英文为look for，本句中第一个for为介词，其后跟动名词。故填(l)ooking。
42．the greatest 43．lived 44．a 45．to help 46．studying 47．first 48．if 49．students 50．than 51．us
【导语】本文是一篇说明文，主要介绍了我国古代伟大的教育家孔子。
42．句意：孔子是中国历史上最伟大的老师。根据空格后比较范围“in Chinese history”可知使用最高级，形容词最高级前用the，great的最高级是greatest。故填the greatest。
43．句意：尽管他生活在2000多年前，但人们仍然记得并尊重他对当今教育的贡献。根据时间状语“over 2,000 years ago”可知此句时态为一般过去时，live“生活，居住”的过去式是lived。故填lived。
44．句意：他有一个艰苦的童年。根据“hard”是辅音音素开头，应用不定冠词a，have a hard childhood“童年生活很艰苦”，故填a。
45．句意：小时候，他不得不工作来帮助母亲，但年轻的孔子并没有放弃学习。此句谓语是“had to work”，后面再跟动词一般使用动词不定式，此句是动词不定式作目的状语。故填to help。
46．句意：小时候，他不得不工作来帮助母亲，但年轻的孔子并没有放弃学习。give up doing sth.“放弃做某事”，give up“放弃，认输”，及物动词，后面跟动名词作宾语，study“学习”，动名词是studying。故填studying。
47．句意：后来，他成为一名教师，开办了中国历史上第一所公立学校。此空格处表示顺序，应用序数词，one的序数词是first，故填first。
48．句意：当时，只有贵族家庭的孩子才能上学，但孔子认为每个人都应该上学，如果他们想学习。根据“… everyone should go to school…they wanted to learn.”可知，前句是在后句的条件下出现的结果，后句表示条件，应用if引导此条件状语从句。故填if。
49．句意：他一生中有大约3000名学生。根据空格前数词“about 3,000”可知，空格处用名词复数。故填students。
50．句意：当我和三个人在一起时，其中一个人在某些方面一定比我强。根据比较级“better”和空格后比较对象“me”可知用介词than。故填than。
51．句意：他还告诉我们，思考在学习中非常重要。空格处作宾语，应用人称代词宾格，we“我们”，宾格形式是us。故填us。
52．musicians 53．playing 54．himself 55．surprised 56．from 57．a 58．gave 59．twenties 60．because 61．to learn
【导语】本文主要介绍了朗朗的情况。
52．句意：他是世界上最著名的音乐家之一。根据“He is one of the most famous”可知，此处是one of the+最高级+复数名词“最……之一”，是固定结构，故填musicians。
53．句意：从那时起，他就喜欢弹他父亲的旧钢琴。enjoy doing sth“喜欢做某事”，是固定短语，故填playing。
54．句意：不久，他就能自己弹一支短曲子了。根据“Soon he could play a short tune (曲子) by”可知，此处是短语by oneself“独自地”，故填himself。
55．句意：他的父亲非常惊讶，开始让他上钢琴课。空处作表语，应用形容词，修饰人用ed形容词，故填surprised。
56．句意：三岁时，郎朗师从著名音乐老师朱亚芬学习钢琴。learn from“向……学习”，是固定短语，故填from。
57．句意：两年后，他第一次参加比赛并获得了一等奖。空处修饰单数名词“competition”，表示泛指用不定冠词，辅音音素开头的单词用a修饰，故填a。
58．句意：在那之后，他举办了有生以来的第一场音乐会。介绍过去的事情，动词用过去式，故填gave。
59．句意：20多岁时，奥巴马邀请他在白宫弹钢琴。此处是结构“in one’s+基数词的复数形式”，表示不确定年龄，故填twenties。
60．句意：我选择这首歌是因为我爱中国。空格前后是因果关系，后句是原因，应用because引导原因状语从句，故填because。
61．句意：更重要的是，郎朗鼓励数百万年轻人学习古典音乐！encourage sb to do sth“鼓励某人做某事”，是固定短语，故填to learn。
62．as 63．intelligence 64．instructions 65．likes 66．and 67．birth 68．an 69．first 70．dying 71．scientists
【导语】本文主要介绍了大熊猫。
62．句意：大熊猫作为活化石而闻名。根据“The giant panda is a national treasure of China. It is famous … a living fossil.”可知，大熊猫作为活化石而闻名，be famous as意为“作为……而闻名”。故填as。
63．句意：它们看起来很可爱，而且有比很多动物更高的智力。根据“have higher”结合提示词可知，此处应用intelligence“智力”，名词作宾语。故填intelligence。
64．句意：它们可以毫无困难地听从动物园管理员的指示。instruction意为“指示”，可数名词，此处应用名词复数形式表示泛指。故填instructions。
65．句意：这就是为什么几乎每个人都喜欢它们。此句时态为一般现在时，主语everyone为不定代词，因此动词应用三单形式。故填likes。
66．句意：但它们也喜欢其他食物，包括鸟类、鱼类和一些小动物。根据“birds, fish … some small animals”可知，此处表示并列关系，因此应用and“和”。故填and。
67．句意：一只熊猫出生时只有大约120克重，而一只成年熊猫的体重可达约120千克。at birth意为“在出生时”，为固定短语，符合语境。故填birth。
68．句意：他们从小就展现出了出色的攀树能力。from an early age意为“从很小的时候”，符合语境。故填an。
69．句意：这只活体大熊猫是法国人首次在四川发现的。根据“The living giant panda was … found in Sichuan”结合语境可知，此处指最先被发现，应用first。故填first。
70．句意：由于大熊猫有灭绝的危险，它们被列入濒危物种的名单。of是介词，后跟动名词作宾语。故填dying。
71．句意：幸运的是，2016年，科学家们改变了大熊猫在名单中的等级。根据语境可知，此处表示“科学家”，空前无限定词，因此应用名词复数形式。故填scientists。
72．knowledge 73．them 74．in 75．countries 76．traditional 77．is discovered 78．will appear 79．carefully 80．to check 81．amazing
【导语】本文介绍了在线百科全书的特点和优势，强调了它们能快速更新信息，但同时提醒用户在使用时需谨慎核实内容的准确性。
72．句意：在线百科全书就像互联网上无尽的装满知识的宝盒。根据“filled with”可知，with是介词，后应接名词；know“知道”，其名词为knowledge“知识”，不可数。故填knowledge。
73．句意：无论你在哪里，只要你有一台电脑、平板电脑或智能手机，你就可以打开它们，探索广阔的信息世界。空前的open是动词，后接人称代词的宾格，they的宾格为them。故填them。
74．句意：你可以了解历史上的伟大领袖，科学上的最新发现，不同国家的文化，甚至是古代文明的秘密。此处指历史上的伟大领袖，in history表示“历史上”。故填in。
75．句意：你可以了解历史上的伟大领袖，科学上的最新发现，不同国家的文化，甚至是古代文明的秘密。根据空前的different可知，空处应是可数名词country的复数形式countries。故填countries。
76．句意：与需要很长时间修改和出版新版本的传统书籍不同，在线百科全书上的信息每天都在变化。修饰名词books应用形容词，tradition的形容词为traditional“传统的”。故填traditional。
77．句意：例如，当在太空中发现一颗新行星或一部受欢迎的电影上映时，有关它们的细节很快就会出现在网上。根据“ a new planet ... in space”可知，新行星是在太空中“被发现”，再根据“is released”可知，应用一般现在时的被动语态；主语“a new planet”为单数，be动词用is。故填is discovered。
78．句意：例如，当在太空中发现一颗新行星或一部受欢迎的电影上映时，有关它们的细节很快就会出现在网上。根据“soon”可知，此处应用一般将来时，结构为will do。故填will appear。
79．句意：然而，我们必须谨慎地使用在线百科全书。修饰动词use，应用careful的副词carefully。故填carefully。
80．句意：所以，如果你使用在线百科全书的信息来做家庭作业或研究，重要的是要与其他可信的资源核对，比如学校书籍或政府网站。it is adj. to do sth.“做某事是……的”，空处应用不定式。故填to check。
81．句意：总而言之，在线百科全书是令人惊奇的工具。根据“online encyclopedias are ... tools.”可知，修饰物应用-ing结尾的形容词，amazing“令人惊奇的”符合语境。故填amazing。
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