Unit 3 Understanding ideas 基础知识练习 2025-2026学年外研版（2024）英语八年级上册

外研版八年级上册英语Unit3 Understanding ideas测试题 1、 课文挖空 A helping hand Easton LaChappelle, a 14-year-old student, ____1____(stand) beside his work at a science ____2____(展览). It was a____3___(robot) arm. He _____4____(build) it out of plastic ___5____(块)and ____6____(fish) line. “Hello,” said a girl ___7__(介词) an artificial arm, as she ____8_____(shake) hands with Easton’s work. This was the first time Easton _____9___(meet) Jenny, a girl with a special condition. She was____10___(bear) without an arm. Her artificial arm was just a simple ____11___(挂钩), but it cost $80,000. What's ____12____(bad), children like her grow____13___ (quick) and need new____14____(arm) all ___15__(冠词) time. “It _____16___(blow) me away! I built my arm for only $300,”_____17____(think) Easton. “I must ____18____(lend) a hand ___19__(介词) people like her." After the fair, Easton’s room ____20____(become) a lab, He stayed there all day. He always ____21___(try) to improve his work. For his _____22___(sixteen) birthday, Easton got a 3-D ___23___(打印机). And with it, he invented an artificial arm. It was able to ___24___(move)with brain signals of the _____25___(use). But it wasn’t good enough yet: the arm weighed 3.6 kilograms. It was too heavy for a child. Easton kept____26____(work)on it, He enjoyed____27___(fix) problems one after another. And_____28___(final) he hit on _____29____(succeed) at age 23. His design only weighed 0.5 ____30____(kilogram) and cost around $500! Easton's _____31____(invent) has helped many children. He didn't want to___32____ (make) money from it. He decided to____33___(post) his design online... for free! People can download the design and make an artificial arm __34___(介词) their own 3-D printers! What a _____35___(help) hand! 2． 完型填空 Alexander Graham Bell is a famous inventor. He is well-known for 1 the telephone. Bell was born in 1847 in Scotland. He had a great interest in sound and speech from a young age. Bell's work on the telephone began with his experiments on transmitting 2 sounds. He faced many difficulties and 3 during the process. But he never gave up. With the help of his assistant, Thomas Watson, they 4 many different designs. One day, while Bell was working in one room and Watson was in another, Bell accidentally spilled some acid（酸） on himself. He cried out, “Mr Watson, come here. I want you!" And Watson 5 the words clearly through the telephone. This was the first successful transmission of speech. After that, Bell continued to 6 and improve the telephone. His invention quickly became popular and 7 the way people communicate. It allowed people to talk to each other over long distances, making the world seem 8 . Bell's invention of the telephone is a great 9 in the history of communication. It has had a huge 10 on our lives and society. Today, we can't imagine a world without telephones. ( )1.A.inventing B.discovering C. finding D.making ( )2. A. beautiful B.different C.strange D.human ( )3.A.success B.failures C.changes D.chances ( )4. A. tested B.made C.drew D.bought ( )5.A.understood B.saw C. heard D.repeated ( )6.A.research B.work C.develop D.think ( )7.A.changed B.improved C.influenced D.affected ( )8.A. bigger B.smaller C. farther D.nearer ( )9.A.event B.story C.invention D.achievement ( )10. A.effort B.effect C.affect D.chance 三．阅读理解 阅读下面短文，根据短文内容判断其后面所给句子的对错。A 为 Right, B 为 Wrong。 People will use the kind of little cars in the streets in the future. They will like this kind of small cars better than the big ones. The car is as small as a bike but it can take two people. Everybody can drive it easily, just like riding a bike. Even children and old people can drive them to schools or parks. If everyone drives such cars in the future, there will be less pollution in the air. There will be more space for all the cars in cities, and there will also be more space for people to walk in the streets. The little cars of the future will cost less money to buy and to drive. These little cars can go only 65 kilometres an hour, so driving will be safer. The cars of the future will be fine for going around the city, but they will not be useful for a long trip. This kind of cars can save a lot of gas (汽油). They will go 450 kilometres, and then they have to stop for more gas. They are nice cars, aren’t they? ( ) 1. The little car can take two people. A. Right. B. Wrong. ( ) 2. The little cars can make more space for other cars and people. A. Right. B. Wrong. ( ) 3. These little cars will be useful for a long trip. A. Right. B. Wrong. ( ) 4. This kind of cars can save much gas. A. Right. B. Wrong. ( ) 5. Only children and old people can drive the little cars. A. Right. B. Wrong. 4， 短语翻译 1. 我记不起他的电话号码了。更糟糕的是，我也忘了他的地址。 I forgot his telephone number. ______ ________, I forgot his address too. 2. 电影的结局会让你无比惊喜。 The ending of the movie will ______ ______ ______. 3. 让我们向贫困地区的孩子们伸出援手吧。 Let’s give ______ ______ ______to the kids in the poor village. 4. 他乐此不疲地解决一个又一个问题。 He enjoyed ______ problems ______ ______ ______. 5. 他是用塑料积木和钓鱼线制作的。 He built it ______ ______ plastic blocks and fishing line. 五、句子翻译 1. Easton在一个科学展览会上他站在自己的作品旁边。 __________________________________________________ 2. 她生来就没有一只手臂。 __________________________________________________ 3. Easton心想他必须帮助像她这样的人。 __________________________________________________ 4. 他继续钻研。最终，他在23 岁时取得了成功。 __________________________________________________ 5. 他决定把自己的设计免费发布到网上! __________________________________________________ 答案 课文挖空 1. Stood 2.fair 3.robotic 4. built 5.blocks 6.fishing 7.with 8. shook 9.met 10.born 11.hook 12.worse 13.quickly 14.arms 15.the 16.blew 17.thought 18. lend 19.to 20. became 21. tried 22. sixteenth 23.printer 24. move 25. user 26. working 27. fixing 28.finally 29. success 30. kilograms 31. invention 32. make 33. post 34. with 35. helping 完形填空 1-5 ADBAC 6-10 CABDB 阅读 AABAB 短语 1. what's worse 更糟糕的是 2. below you away 3. a helping hand 4. solving one after another 5. out of 句子翻译 1. Easton在一个科学展览会上他站在自己的作品旁边。 Easton stood beside his work at a science fair. 2. 她生来就没有一只手臂。 She was born without an arm. 3. Easton心想他必须帮助像她这样的人。 Easton thought he must lend a hand to people like her. 4. 他继续钻研。最终，他在23 岁时取得了成功。 He kept working on it. Finally he hit on success at age 23. 5. 他决定把自己的设计免费发布到网上! He decided to post his design online for free! 1 学科网（北京）股份有限公司 $