Unit 4 Amazing Science 单元话题语法填空练习 单元重难点易错题精练（仁爱版）（含解析）

Unit 4 Amazing Science
单元话题语法填空练习
（2022秋·浙江丽水·九年级校联考期中）阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空。
The first robots were invented in the 1920s. Robots 1 (appear) in many American films. In some films, they are stronger, faster and 2 (clever) than people.
In real life, robots are 3 (main) used in factories. They do some dangerous and difficult jobs for humans.
Robots also help disabled people, for example, blind people. Today many blind people have a guide dog 4 (help) them. In the future, guide dogs might be robot dogs.
One kind of robot guide dog has wheels. It moves in front of the owner. It is very clever. It knows the speed of its owner. The owner 5 (wear) a special belt. This belt sends instructions to the owner 6 the dog, such as “stop here”, “turn left” or “turn right”.
In the United States, another kind of robot helps disabled people to take care of 7 (they) in their life. The robot hears the sound of its owner’s voice. It follows instructions such as “turn the page” or “make a cup of coffee”.
Robots are also useful in American hospitals. They can do simple jobs. At one hospital, for example, 8 robot takes meals from the kitchen to patients’ rooms. It never gets lost 9 this robot has a map of the hospital in its computer memory.
Though robots can help people in many different ways, they will never take the place of 10 (human).
（2022秋·浙江金华·九年级校联考期中）阅读下面短文，在空白处填入一个适当的词，或填入括号中所给单词的正确形式。
The top Chinese scientist Yuan Longping, famous for his “Super Rice ”, died of illness at the age of 91 11 May 22nd, 2021.
Yuan Longping was born in Beijing in 1930. For almost 60 years, he gave most of his time 12 energy to rice research. So far, the hybrid rice (杂交水稻) 13 (help) millions of people out of hunger all over the world. His achievements were so great 14 he was called “The Father of Hybrid Rice” and won World Food Prize. During his lifetime, Yuan Longping spent 15 (much) time in the farm field than in his office. People could often see him watching plants 16 (careful) and thinking of ways to improve them, just as many Chinese 17 (farmer) do.
Yuan once said he had 18 dream—to “enjoy the cool under the rice plants taller than men”. 19 a pity it is that he can’t continue his dream now! But surely, people believe that 20 (he) dream will come true in the near future.
（2022秋·山东淄博·九年级统考期中）阅读下面短文，在空白处填入适当的内容（不多于3个单词）或括号内单词的正确形式。
Scientists at the University of Liverpool (UL) have developed a robot that can perform experiments (实验) on its own. It’s not new for labs to use robots. 21 earlier robots usually stayed in one place and did a single job over and over.
The UL robot is the opposite of that. The 1.75-meter robot is similar in size to a human. Though it weighs much more than most people-400 kilograms—it’s able to 22 (easy) move around in the same kind of space as humans do.
The robot uses a special system (系统) to guide 23 (it) even in the dark. With one long arm which can turn in almost any direction, the robot can use several different 24 (kind) of lab tools. What’s more, the robot can do many different tasks (任务), such as picking things up, setting them down, weighing things and 25 (study)its results.
To test 26 (they) robot, the scientists gave a difficult job: find a special thing from water, using light.
In 8 days, the robot 27 (do) 688 experiments, always choosing its next experiment according to the results of the last one. The robot worked 172 hours straight, stopping for only a couple 28 hours each day to recharge its batteries (充电). To do the same amount of work would have taken a human several 29 (month).
Andrew Cooper, who leads the program, says the robot can help scientists and free up time for the human researchers 30 (think) creatively.
（2022秋·浙江金华·九年级校联考期中）阅读下面的短文，在空白处填入一个适当的词，或填入括号中所给单词的正确形式。
On a warm June evening in 1609, Galileo, made the latest invention at that time—a telescope (望远镜).
That very night he not only worked out how 31 (make) it, he improved upon it as well. The telescope would be quite useful for keeping watching on 32 (enemy) in the war. The leaders of Venice spoke 33 (high) of it, but Galileo wasn’t satisfied and kept on working on it. Within a few months, he had a telescope that was even 34 (powerful).
One night as the moon rose, Galileo pointed his telescope 35 the sky. What he saw through the telescope 36 (surprise) him. The moon was not smooth as it appeared. He noticed other stars beside it changing positions every night. 37 he found the unexpected result, he went on studying about it. He wrote down what he saw in a book called The Starry Messenger. The books 38 (sell) out at once. Some people were very interested in his discoveries, but others didn’t. The people 39 lived in the 1600s weren’t quite ready for the discovery, 40 Galileo decided to build more telescopes to tell people about the truth. After that people began to see what they hadn’t been able to see before and they started to ask questions about the universe.
（2022秋·山东烟台·九年级统考期中）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。
You may think that complete wheels are necessary when it comes to bicycles, but one creative 41 (engineer) recent invention shows that two half wheels are just as good as one full wheel.
Sergii Gordieiev is 42 engineer and Internet star. He is 43 (know) for his wonderful inventions. Of these, his latest creation is undoubtedly the most eye-catching. His 44 (usual) bike has two half rear wheels (后车轮) instead of a complete one, and they work together to do the job of a normal one. As strange as it sounds, this crazy bike shows that two half wheels, when used 45 (correct), are just as good as one full wheel. The key 46 this invention is the timing of the split (分裂的) wheels. As one of two half rear wheels is in the air, the other half wheel lands on the ground to keep everything balanced. 47 a clever idea!
Gordieiev says that even if the wheel is perfect, as he tries to show 0.5+0.5=1, there’s really no good reason 48 (break) a perfectly good bicycle. From making the rear frame(后车架) of the bicycle longer to 49 (cut) a wheel in half and making sure they work together to carry out the function of a full wheel, you can’t imagine how much work he has put into the bike.
The engineer adds that he hopes to excite people’s 50 (interesting) in DIY through his example and encourage them to be creative.
（2022秋·河北保定·九年级校联考期中）阅读下面短文，在空白处填入一个适当的单词(有提示词的，填入所给单词的正确形式)。
Inventions play an important part all the time. In our 51 (day) life, we can see inventions everywhere. Even the 52 (small) inventions can make a big deal to our lives. The barcode (条形码) is one 53 the most useful inventions. If you want to know the information of the product, you can scan the barcode with your smartphone. But do you know 54 the barcode was invented Here is something about it. In the 55 (five) month of 1948, an owner of a small food store found it difficult to record the prices of his 56 (product). So he turned to the Drexel Institute of Technology for help. He wanted to find 57 way to solve the problem. The good news was that Bernard Silver 58 (take) up the challenge and began working on it. At last Bernard Silver and a group of 59 (he) students set up a barcode system to solve the problem. Now the invention is more and more 60 (wide) used in the world.
（2022秋·内蒙古包头·九年级统考期末）阅读短文，在空白处填入1个恰当的词或括号内单词的正确形式。
Look at the old man. He 61 （look）like the famous scientist Einstein. It is a robot which was 62 （invent）by American scientists. Although it has only a head and two shoulders, it can make different faces. Scientists also made many robots that are good at 63 （communicate）with people.
This kind of robot first 64 （appear）in America. It can not only know people’s feelings, but also guess people’s age. It even can make some simple human actions, such as 65 （shake）its hands.
Some scientists hope to make more robots with more actions just like human beings. They want to make more robots who are kind-hearted, understanding and 66 （care）about others. “It is very important to make such kinds of robots. We also hope they are as clever 67 us.” The famous scientist Hanson said.
But it is very hard to make such kinds of robots. 68 the cleverer the robots are, the more they will be refused. So the American scientists chose the head of the famous scientist Einstein. Because he was a 69 （peace）and kind-hearted old person. But this kind of robot is very expensive. It costs about 75 thousand dollars to make one Einstein robot. Hanson hopes one day 70 cost of making a robot can be only 200 dollars.
（2023秋·广东深圳·九年级福田外国语高中校考开学考试）用所给单词的适当形式填空，未提供单词的限填一词。
On a cold morning, members of my robotics team and I were busy heading to Westwood High School for an important robotics 71 (compete). We had worked hard for it by building and programming our own robot.
After setting things up, we headed to the practice field 72 (test) our robot. It needed to drive itself on a 30-second path. On the way, the robot also needed to grab a cone (圆锥体) and put it on a one-meter-high pole. Then, it had to park 73 (it) in a place by detecting a signal.
However, it turned out that our robot wasn’t running as 74 (good) as we hoped because the wheels were slipping. My heart was racing as we raced against time to fix our path. We barely finished 75 (fix) the problem on time. But then, the robot stopped connecting to the controlling device. We might not be able to compete if we couldn’t fix the problem within 15 minutes. 76 (thank), the captain of another team came to help us. 77 we faced problems, we were on to the actual matches!
As a new hand, we could feel our adrenaline (肾上腺素) rush as our opponents (对手) were all very experienced. However, thanks 78 hard work, another team member and I worked perfectly in the driver control part of the matches and won us lots of points. We 79 (give) all our thoughts and energy to the matches, and in the end, we went undefeated! I was overjoyed! There will be one more match at the end of this month, which determines if we can move on to 80 semi-finals. Wish us good luck!
参考答案：
1．have appeared 2．cleverer 3．mainly 4．to help 5．wears 6．from 7．themselves 8．a 9．because 10．humans
【导语】本文主要介绍了机器人在不同方面对人类的不同帮助。
1．句意：机器人已经出现在许多美国电影中。根据“Robots… in many American films.”可知，机器人已经出现在许多美国电影中，故时态为现在完成时“have/has +动词过去分词”，主语为复数，助动词用have。故填have appeared。
2．句意：在一些电影中，它们比人更强壮、更快、更聪明。根据“than people”可知，此处应用比较级，clever聪明的，形容词，比较级为cleverer。故填cleverer。
3．句意：在现实生活中，机器人主要用于工厂。根据“robots are… used in factory”可知，机器人主要被用在工厂，main主要的，形容词，此处应用main的副词形式mainly修饰动词used。故填mainly。
4．句意：现在许多盲人都有导盲犬帮助他们。根据“many blind people have a guide dog… them”可知，许多盲人都有导盲犬帮助他们，此处用动词不定式做后置定语修饰名词dog。故填to help。
5．句意：主人戴着一条特殊的皮带。根据“The owner… a special belt”可知，是戴着一条特殊的皮带，时态为一般现在时，wear穿，戴，动词，主语为owner，应用单三形式wears。故填wears。
6．句意：这条皮带会向狗的主人发送指令，比如“停在这里”、“左转”或“右转”。根据“the dog”可知，指令是从狗那里发送到皮带上再到狗主人那里。from从……，介词。故填from。
7．句意：在美国，另一种机器人帮助残疾人在生活中照顾他们自己。根据“take care of…”可知，是照顾他们自己，they他们，人称代词主格；themselves他们自己，反身代词。故填themselves。
8．句意：例如，在一家医院，机器人把食物从厨房送到病人的房间。根据“robot”可知，是一个机器人把食物送到病人的房间。此处用不定冠词表泛指，robot为辅音音素开头的单词。故填a。
9．句意：它永远不会迷路，因为这个机器人的电脑内存里有一张医院的地图。根据“this robot has a map of the hospital in its computer memory.”可知，是机器人不会迷路的原因，because因为，引导原因状语从句。故填because。
10．句意：虽然机器人可以在许多不同的方面帮助人们，但它们永远不会代替人类。根据“they will never take the place of ”可知，不会代替人类。human人类，名词，此处应用复数形式humans。故填humans。
11．on 12．and 13．has helped 14．that 15．more 16．carefully 17．farmers 18．a 19．What 20．his
【导语】本文主要回顾了以“超级稻”闻名的中国顶级科学家袁隆平的一生。
11．句意：以“超级稻”闻名的中国顶尖科学家袁隆平于2021年5月22日因病去世，享年91岁。根据“…May 22nd, 2021.”可知，在具体的某一天前用介词on。故填on。
12．句意：在将近60年的时间里，他把大部分时间和精力都用在了水稻研究上。根据“For almost 60 years, he gave most of his time…energy to rice research.”可知，此处表示并列，应该用连词and。故填and。
13．句意：迄今为止，杂交水稻已经帮助全世界数百万人摆脱了饥饿。根据时间状语“So far”可知，句子的时态是现在完成时，其谓语动词构成是“have/has done”，主语是“ the hybrid rice”，因此助动词用has。故填has helped。
14．句意：他的成就如此之大，以至于他被称为“杂交水稻之父”，并获得了世界粮食奖。so…that意为“如此……以至于”，固定用法。故填that。
15．句意：袁隆平生前，在农场田间的时间比在办公室的时间还多。根据“than”可知，此处用比较级，much的比较级是more。故填more。
16．句意：人们可以经常看到他仔细观察植物，并思考如何改善它们，就像许多中国农民一样。根据“watching plants…”可知，此处用副词修饰动词。careful的副词形式为carefully，意为“仔细地”。故填carefully。
17．句意：人们可以经常看到他仔细观察植物，并思考如何改善它们，就像许多中国农民一样。many修饰可数名词复数形式，因此此处用名词复数“farmers”，意为“农民”。故填farmers。
18．句意：袁曾经说过他有一个梦想，那就是“在比人高的稻子下乘凉”。根据“Yuan once said he had…dream”可知，此处dream表示泛指，用不定冠词a。故填a。
19．句意：可惜他现在不能继续他的梦想了！根据“…a pity it is”可知，句子是感叹句，句子结构是“what+a/an+名词+主语+谓语”。故填What。
20．句意：但是可以肯定的是，人们相信他的梦想在不久的将来会实现。根据“dream”可知，此处指的是“他的梦想”，应该用形容词性物主代词。故填his。
21．But 22．easily 23．itself 24．kinds 25．studying 26．their 27．did 28．of 29．months 30．to think
【导语】本文是一篇说明文，主要介绍了利物浦大学的科学家们研发的一种可以自己做实验的机器人。
21．句意：但是早期的机器人通常待在一个地方，一遍又一遍地做一项工作。分析空前后两句话的逻辑关系可知，为转折关系，且空后没有标点符合，所以应用“but”，在句首，故填But。
22．句意：虽然它比大多数人重得多—400公斤—但它能够像人类一样在同一空间中轻松移动。分析句子结构及成分可知，空处在句中修饰动词move，所以应填副词；“easy轻松的”，形容词，其副词形式是“easily轻松地”。故填easily。
23．句意：这种机器人使用一种特殊的系统，即使在黑暗中也能引导自己。根据句意及语境可知，此处指“引导自己”，所以应用反身代词；“it它”，人称代词主格/宾格，其反身代词是“itself”，故填itself。
24．句意：由于有一条几乎可以向任何方向转动的长臂，机器人可以使用各种各样的实验室工具。“kind种类”，名词，根据“different…of”可知，空处应用复数形式“kinds”，构成“different kinds of各种各样的”，固定短语，故填kinds。
25．句意：更重要的是，机器人可以做许多不同的任务，如拿起东西，放下东西，称重并研究其结果。根据“picking…”、“setting…”、“weighing…”及“and”可知，此处应填study的动名词studying。故填studying。
26．句意：为了测试他们的机器人，科学家们给了一个困难的工作：利用光从水中找到一种特殊的东西。根据空后的名词“robot”可知，此处应填形容词性物主代词，来修饰名词；“they”的形容词性物主代词是“their”，故填their。
27．句意：在8天里，机器人做了688次实验，总是根据上一次的结果选择它的下一次实验。根据后句中的“worked”可知，该句为一般过去时，所以应用过去式did。故填did。
28．句意：机器人连续工作172个小时，每天只停下来几个小时充电。根据“a couple…”可知，考查的是“a couple of几个”，固定短语，故填of。
29．句意：做同样多的工作需要一个人几个月的时间。根据“several”可知，其修饰可数名词复数，所以此处应填名词复数形式；month的复数形式是months，故填months。
30．句意：该项目负责人安德鲁·库珀表示，机器人可以帮助科学家，并为人类研究人员腾出时间进行创新思考。根据“the robot can help scientists and free up time for the human researchers”可知，机器人可以帮助科学家，并为人类研究人员腾出时间，目的是让他们创新思考，表目的，所以应用动词不定式，故填to think。
31．to make 32．enemies 33．highly 34．more powerful 35．at
36．surprised 37．After 38．were sold 39．who/that 40．so
【导语】本文主要介绍了伽利略发明了望远镜，并通过望远镜有了很多新的发现。
31．句意：就在那天晚上，他不仅想出了怎么做，而且还改进了。此处是结构“疑问词+动词不定式”。故填to make。
32．句意：这架望远镜对于在战争中监视敌人非常有用。此处表示泛指用名词复数enemies“敌人”。故填enemies。
33．句意：威尼斯的领导人对它给予了高度评价，但伽利略并不满意，继续努力。speak highly of“高度评价”。故填highly。
34．句意：几个月内，他就拥有了一台更强大的望远镜。even后修饰比较级more powerful“更强大的”。故填more powerful。
35．句意：一天晚上，当月亮升起时，伽利略用望远镜对准了天空。point at“指向”。故填at。
36．句意：他通过望远镜看到的景象使他大吃一惊。句中缺少谓语动词，时态为一般过去时，动词用过去式surprised“使吃惊”。故填surprised。
37．句意：在他发现意外的结果后，他继续研究这个问题。根据“he found the unexpected result, he went on studying about it”可知是发现这个结果之后，继续研究，after“在……之后”。故填After。
38．句意：这些书一下子就卖光了。sell out“卖光”，和主语the books之间是被动关系，文章时态为一般过去时，主语是名词复数，be动词用were。故填were sold。
39．句意：生活在17世纪的人们还没有为这一发现做好准备，所以伽利略决定建造更多的望远镜来告诉人们真相。句子是定语从句，先行词是the people，关系词在从句中作主语，用who/that引导定语从句。故填who/that。
40．句意：生活在17世纪的人们还没有为这一发现做好准备，所以伽利略决定建造更多的望远镜来告诉人们真相。前后是因果关系，前因后果，用so连接。故填so。
41．engineer’s 42．an 43．known 44．unusual 45．correctly 46．to 47．What 48．to break 49．cutting 50．interest
【导语】本文主要讲述Sergii Gordieiev是一位富有创造力的工程师，他发明了一辆有两个半后轮的自行车，这些半轮可以一起工作以完成正常车轮的工作。Gordieiev希望通过他的发明激发人们对DIY的兴趣和创造力。
41．句意：说到自行车，你可能认为完整的轮子是必要的，但一位富有创造力的工程师最近的发明表明，两个半轮子和一个完整的轮子一样好。“engineer”和空后名词“invention”是所属关系，应用名词所有格形式engineer’s。故填engineer’s。
42．句意：Sergii Gordieiev是一名工程师和网络明星。此处泛指“一名工程师”，且“engineer”以元音音素开头，应用不定冠词an修饰。故填an。
43．句意：他以他奇妙的发明而闻名。be known for“以……而著名”，固定短语。故填known。
44．句意：他不寻常的自行车有两个半后轮，而不是一个完整的后轮，它们一起工作来完成正常车轮的工作。根据“has two half rear wheels (后车轮) instead of a complete one”可知，他设计的自行车有两个半后轮而不是一个完整的后轮，这是不同寻常的自行车，应用形容词unusual“不同寻常的”修饰名词“bike”。故填unusual。
45．句意：虽然听起来很奇怪，但这辆疯狂的自行车表明，如果使用得当，两个半轮和一个全轮一样好。此处应用副词correctly“正确地”修饰动词“used”。故填correctly。
46．句意：这项发明的关键是分离轮的定时。the key to…“……的关键”，固定搭配。故填to。
47．句意：多聪明的主意啊！中心词“idea”为单数名词，应用感叹句结构“What+a/an+形容词+单数名词（+主谓）！”故填What。
48．句意：Gordieiev说，即使车轮是完美的，正如他试图展示的0.5+0.5=1一样，也没有充分的理由破坏一辆完美的自行车。此处应用动词不定式作后置定语，修饰名词“reason”。故填to break。
49．句意：从加长自行车的后车架，到将车轮切成两半，并确保它们一起工作以实现完整车轮的功能，你无法想象他在自行车上投入了多少心血。根据“and”可知，此处应用动名词cutting，与“making”并列。故填cutting。
50．句意：这位工程师补充说，他希望通过自己的例子激发人们对DIY的兴趣，鼓励他们发挥创造力。名词所有格“people’s”后接名词，interest“兴趣”，为名词。故填interest。
51．daily 52．smallest 53．of 54．how 55．fifth 56．products 57．a 58．took 59．his 60．widely
【导语】这是一篇说明文，介绍了条形码的由来。我们日常生活中经常会用到条形码，它使我们的生活更加方便。
51．句意：在我们的日常生活中，我们随处可见发明。名词“life”前应用形容词来修饰，作定语；daily，形容词，“日常的，每日的”。故填daily。
52．句意：即使是最小的发明也能对我们的生活产生重大影响。定冠词the通常与形容词最高级连用；句中“even”是副词，意为“即使，甚至”，在句中作状语，强调最小的发明也能影响我们的生活，因此此处应填形容词的最高级。故填smallest。
53．句意：条形码是最有用的发明之一。“one of the + 最高级 + 名词复数”是固定结构，意为“……之一”。故填of。
54．句意：但你知道条形码是如何被发明出来的吗？下文讲述的是条形码发明的过程，此处应是指条形码是如何被发明的，即“怎样”，所以此处应用how来引导宾语从句。故填how。
55．句意：在1948年的第五个月，一个小食品店的老板发现很难记录他产品的价格。根据定冠词“the”和单数名词“month”可知此处应用序数词表示顺序；fifth，“第五”。故填fifth。
56．句意：在1948年的第五个月，一个小食品店的老板发现很难记录他产品的价格。文中his是形容词性物主代词，后接名词；文中“prices”是复数形式，可知此处产品是较多的，就是说“产品”应用复数形式；product，名词，意为“产品”。故填products。
57．句意：他想找到解决这个问题的方法。由语境可知，想找到解决问题的方法，说明该方法是泛指，应用不定冠词来修饰名词way；而way是以辅音音素开头的单词，用不定冠词a修饰。故填a。
58．句意：好消息是伯纳德·西尔弗接受了挑战，并开始着手这项工作。此句是一个含有表语从句的复合句；在从句中，谓语部分是连词and连接的两个时态一致的动词；后一个动词是began，那么前一个动词也应用一般过去式。故填took。
59．句意：最后，伯纳德·西尔弗和他的一群学生建立了一个条形码系统来解决这个问题。句中“students”是名词，前面应用形容词性物主代词修饰。故填his。
60．句意：现在，该发明在世界上的应用越来越广泛。句中“be used”意为“被使用”，可知used是动词，其前应用副词来修饰，作状语；widely，副词，意为“广泛地”。故填widely。
61．looks 62．invented 63．communicating 64．appeared 65．shaking 66．caring 67．as 68．Because 69．peaceful 70．the
【导语】本文主要对一种看起来像著名科学家爱因斯坦的机器人的功能，造价等信息进行了介绍。
61．句意：他看起来像著名的科学家爱因斯坦。主语He是第三人称单数，本文时态为一般现在时，所以谓语动词用第三人称单数形式。故填looks。
62．句意：这是一个由美国科学家发明的机器人。本句是定语从句，先行词robot和谓语动词invent之间存在被动关系，故句中的谓语动词要用被动语态，动词用过去分词形式。故填invented。
63．句意：科学家们还制造了许多善于与人沟通的机器人。be good at doing sth.意为“擅长做某事”，介词at后用动名词。communicate的动名词形式为communicating。故填communicating。
64．句意：这种机器人最早出现在美国。根据“This kind of robot first…（appear）in America”可知，这种机器人最早出现在美国，应该是已经发生，所以用一般过去时，谓语动词用过去式，appear的过去式为appeared。故填appeared。
65．句意：它甚至可以做出一些简单的人类行为，比如握手。根据“It even can make some simple human actions, such as…（shake）its hands.”可知，它甚至可以做出一些简单的人类行为。表达“人类行为”的名称应用动名词。故填shaking。
66．句意：他们想制造更多的心地善良，理解他人，关心他人的机器人。be caring about意为“关心”。故填caring。
67．句意：我们也希望他们和我们一样聪明。as…as…意为“和……一样”，中间用形容词或副词的原形。as clever as意为“和……一样聪明”。故填as。
68．句意：因为机器人越聪明，就越会被拒绝。根据下一句“So the American scientists chose the head of the famous scientist Einstein.”可知，因此，美国科学家选择了著名科学家爱因斯坦的头像。因此本句是在说原因，所以用because引导原因状语从句。故填Because。
69．句意：因为他是一个平和善良的老人。根据“Because he was a…（peace）and kind-hearted old person.”可知，因为他是一个……善良的老人。并列连词and前后的单词的词性应是一样的。kind-hearted是形容词，peace的形容词为peaceful。故填peaceful。
70．句意：汉森希望有一天制造一个机器人的成本能只有200美元。the cost of意为“……的成本”。故填the。
71．competition 72．to test 73．itself 74．well 75．fixing 76．Thankfully 77．Although/Though 78．to 79．gave 80．the
【导语】本文主要介绍了作者和他的机器人团队去参加机器人比赛中发生的事。
71．句意：在一个寒冷的早晨，我和我的机器人团队正忙着去威斯特伍德高中参加一个重要的机器人比赛。根据“our opponents (对手)”和所给单词提示可知，这是一次机器人比赛，空格处应填compete的名词competition，意为“比赛”，故填competition。
72．句意：布置好之后，我们去练习场地测试我们的机器人。根据“we headed to the practice field…(test) our robot.”可知，空格处应填动词不定式表目的状语，故填to test。
73．句意：然后，它必须通过检测信号将它自己停在一个地方。根据上文“It needed to drive itself on a 30-second path.”可知，是机器人自己操作，自己根据检测到的信号把自己停在一个地方，因此填it的反身代词itself。故填itself。
74．句意：然而，结果发现我们的机器人并不像我门希望的那样跑得好，因为轮子在打滑。根据“running as…(good) as”可知，这里要填副词的原级，good的副词well修饰动词running，故填well。
75．句意：我们勉强按时解决了这个问题。根据“finished”可知，这里用finish doing sth表示“结束正在做着的某事”。故填fixing。
76．句意：值得感谢的是，另一个队的队长来帮助我们。根据“the captain of another team came to help us.”可知，有人帮助是值得感谢的。这里用副词修饰整个句子，thank的副词为thankfully。故填Thankfully。
77．句意：虽然我们遇到问题了，但是我们还是参加了实际的比赛。根据“we faced problems, we were on to the actual matches!”可知，前后两个句子之间是转折关系，在句子开头用Although或Though，故填Although/ Though。
78．句意：幸亏辛勤工作了，另一位队员和我在比赛的车手控制部分做得不错，为我们赢得了很多积分。根据“another team member and I worked perfectly in the driver control part of the matches and won us lots of points.”可知，能够赢得积分，是因为有之前的辛勤工作，thanks to表示“由于；幸亏”，故填to。
79．句意：我们把所有的心思和精力都投入到比赛中，最后，我们战无不胜。根据文章开头“On a cold morning”可知，本文是在叙述过去某一天的事，因此用一般过去时，give的过去式是gave，故填gave。
80．句意：本月月底还有一场比赛，这将决定我们是否能够进入半决赛。根据语境可知，这里表示特指大家都知道的半决赛。故填the。