Unit 4 A glimpse of the future Developing ideas A boy`s best friend 语法填空-2025-2026学年高中英语外研版选择性必修第三册

**基本信息** 本练习为外研版B3U4语法填空同步练，以语篇为载体分层设题，覆盖基础语法到综合应用，助力语言能力与思维品质提升。 **分层设计** |层次|知识覆盖|设计特色| |----|----------|----------| |基础层|介词/冠词/代词/简单时态|单一句法点，如①on（固定搭配）、㉒the（定冠词）| |进阶层|从句/非谓语/固定句型|复合结构，如⑥as方式状语从句、⑪floating（现在分词定语）| |综合层|复杂句式/上下文逻辑|语篇关联，如⑭though倒装让步从句、㊸what表语从句（作主语）|

外研版B3U4 A Boy’s Best Friend 语法填空 在空白处填入 1 个适当单词，或括号内单词的正确形式 一、试题原文 1. Mr Anderson said, “Where’s Jimmy, dear?” “Out ①______ the crater,” said Mrs Anderson. “Robutt is with him. Did he arrive?” “Yes. He’s at the rocket station, going through the tests. I haven’t really seen one ②______ I left Earth 15 years ago.” 2. “Jimmy has never seen one,” ③______ (say) Mrs Anderson. 3. “Because he’s Moon-born and can’t visit Earth. That’s ④______ I’m bringing one here. I think it’s the first one ever ⑤______ the Moon.” 4. Jimmy was out on the crater, ⑥______ his mother had said. His arms and legs were long and agile. He looked thicker and stubbier ⑦______ his spacesuit on, ⑧______ he could handle the lunar gravity as no Earth-born human being could. The outer side of the crater sloped southward and the Earth, ⑨______ was low in the southern sky, was nearly full, so that the entire crater-slope was brightly lit. The slope was a gentle one and even the weight of the spacesuit couldn’t keep Jimmy ⑩______ racing up it in a ⑪______ (float) hop that made the gravity seem nonexistent. 5. “Come on, Robutt,” he shouted. Robutt, ⑫______ could hear him by radio, squeaked and bounded after ⑬______ (he). 6. Jimmy, expert ⑭______ he was, couldn’t outrace Robutt, ⑮______ didn’t need a spacesuit, and had four legs and tendons of steel. Jimmy couldn’t go wrong while Robutt was around, tripping him when he was too near a rock, or jumping on him ⑯______ (show) how much he loved him, or circling around and squeaking low and ⑰______ (scare) when Jimmy ⑱______ (hide) behind a rock, when all the time Robutt knew well enough ⑲______ he was. 7. He heard his father’s voice on his private wavelength. “Jimmy, come back. I have something ⑳______ (tell) you.” 8. Mr Anderson was smiling. “We have something for you, Jimmy. It’s at the rocket station now, but we’ll have it tomorrow after all the tests ㉑______ (be) over.” 9. “From Earth, Dad?” 10. “A dog from Earth, son. The first dog on ㉒______ Moon. You won’t need Robutt any more. We can’t keep them both, and some other boy or girl will have Robutt.” He seemed ㉓______ (wait) for Jimmy to say something, then he said, “You know what a dog is, Jimmy. It’s a real thing. Robutt’s only ㉔______ mechanical imitation, a robot-mutt. That’s ㉕______ he got his name.” 11. Jimmy ㉖______ (frown). “Robutt isn’t ㉗______ imitation, Dad.” 12. “Robutt’s just steel and wiring and a simple positronic brain.” 13. “He does everything ㉘______ I want him ㉙______ (do), Dad. He understands ㉚______ (I).” 14. “No, son. Robutt is just a machine. It ㉛______(programme) just to act the way it does. A dog is alive. You’ll see the difference once he ㉜______ (get) here.” 15. Jimmy looked at Robutt, who was squeaking again, a very low, slow squeak ㉝______ seemed frightened. Jimmy held out his arms and Robutt was in them in one bound. 16. Jimmy said, “What will the difference be ㉞______ Robutt and the dog?” 17. “It’s hard ㉟______ (explain),” said Mr Anderson, “but it will be easy to see. The dog will really love you. Robutt is just ㊱______ (adjust) to act as though it loves you.” 18. “But, Dad, we don’t know ㊲______ his feelings are. Maybe it’s just acting, too.” 19. Mr Anderson frowned. “Jimmy, you’ll know the difference ㊳______ you experience the love of ㊴______ living thing.” 20. Jimmy held Robutt ㊵______ (tight). He was frowning, too, and the desperate look ㊶______ his face meant that he wouldn’t change his mind. He said, “But what’s the difference ㊷______ they act? How about how I feel? I love Robutt and that’s ㊸______ counts.” 21. And the little robot-mutt, ㊹______ had never been held so tightly in all its ㊺______ (exist), squeaked high and rapid squeaks – happy squeaks. 二、参考答案 + 考点解析 ① on：介词，固定搭配 on the crater ② since：连词，引导时间状语从句 ③ said：动词时态，全文叙述过去，用一般过去时 ④ why：表语从句引导词，表原因 ⑤ on：介词，固定搭配 on the Moon ⑥ as：引导方式状语从句，意为“正如” ⑦ with：介词，with 复合结构作伴随状语 ⑧ but：并列连词，表转折关系 ⑨ which：非限制性定语从句，指代前文事物 ⑩ from：固定搭配 keep sb. from doing sth. 阻止某人做某事 ⑪ floating：非谓语动词，现在分词作定语 ⑫ who：限制性定语从句，先行词拟人，用关系词who ⑬ him：人称代词，动词后使用宾格形式 ⑭ though：倒装让步状语从句，名词 + though + 主谓结构 ⑮ who：非限制性定语从句，先行词拟人 ⑯ to show：动词不定式，表动作目的 ⑰ scared：形容词，描述主语状态 ⑱ hid：动词时态，一般过去时 ⑲ where：宾语从句引导词，表地点 ⑳ to tell：不定式作后置定语，have something to do 固定用法 ㉑ are：主谓一致，主将从现，从句用一般现在时 ㉒ the：定冠词，独一无二的事物前加the ㉓ to wait / to be waiting：非谓语动词，seem to do 固定结构 ㉔ a：不定冠词，表泛指 ㉕ how：表语从句引导词，表行为方式 ㉖ frowned：动词时态，一般过去时 ㉗ an：不定冠词，imitation 以元音音素开头 ㉘ that：定语从句，先行词为不定代词everything，关系词只用that ㉙ to do：固定搭配 want sb. to do sth. ㉚ me：人称代词宾格，作动词宾语 ㉛ is programmed 被动，“被编程” ㉜ gets：主谓一致+主将从现，主语为第三人称单数 ㉝ that / which：限制性定语从句，指代事物 ㉞ between：介词，固定搭配 between…and… ㉟ to explain：固定句型 It’s + 形容词 + to do sth. ㊱ adjusted：被动语态，be adjusted to do 被设定为…… ㊲ what：宾语从句引导词，在从句中作表语 ㊳ when：连词，引导时间状语从句 ㊴ a：不定冠词，表泛指 ㊵ tightly：词性转换，副词修饰动词 ㊶ on：介词，固定搭配 on one’s face ㊷ how：宾语从句引导词，表行为方式 ㊸ what：表语从句引导词，在从句中作主语 ㊹ which：非限制性定语从句，指代事物 ㊺ existence：词性转换，动词exist 变为名词existence 三、完整对照原文（带圈序号+答案） 1. Mr Anderson said, “Where’s Jimmy, dear?” “Out ①on the crater,” said Mrs Anderson. “Robutt is with him. Did he arrive?” “Yes. He’s at the rocket station, going through the tests. I haven’t really seen one ②since I left Earth 15 years ago.” 2. “Jimmy has never seen one,” ③said Mrs Anderson. 3. “Because he’s Moon-born and can’t visit Earth. That’s ④why I’m bringing one here. I think it’s the first one ever ⑤on the Moon.” 4. Jimmy was out on the crater, ⑥as his mother had said. His arms and legs were long and agile. He looked thicker and stubbier ⑦with his spacesuit on, ⑧but he could handle the lunar gravity as no Earth-born human being could. The outer side of the crater sloped southward and the Earth, ⑨which was low in the southern sky, was nearly full, so that the entire crater-slope was brightly lit. The slope was a gentle one and even the weight of the spacesuit couldn’t keep Jimmy ⑩from racing up it in a ⑪floating hop that made the gravity seem nonexistent. 5. “Come on, Robutt,” he shouted. Robutt, ⑫who could hear him by radio, squeaked and bounded after ⑬him. 6. Jimmy, expert ⑭though he was, couldn’t outrace Robutt, ⑮who didn’t need a spacesuit, and had four legs and tendons of steel. Jimmy couldn’t go wrong while Robutt was around, tripping him when he was too near a rock, or jumping on him ⑯to show how much he loved him, or circling around and squeaking low and ⑰scared when Jimmy ⑱hid behind a rock, when all the time Robutt knew well enough ⑲where he was. 7. He heard his father’s voice on his private wavelength. “Jimmy, come back. I have something ⑳to tell you.” 8. Mr Anderson was smiling. “We have something for you, Jimmy. It’s at the rocket station now, but we’ll have it tomorrow after all the tests ㉑are over.” 9. “From Earth, Dad?” 10. “A dog from Earth, son. The first dog on ㉒the Moon. You won’t need Robutt any more. We can’t keep them both, and some other boy or girl will have Robutt.” He seemed ㉓to wait/to be waiting for Jimmy to say something, then he said, “You know what a dog is, Jimmy. It’s a real thing. Robutt’s only ㉔a mechanical imitation, a robot-mutt. That’s ㉕how he got his name.” 11. Jimmy ㉖frowned. “Robutt isn’t ㉗an imitation, Dad.” 12. “Robutt’s just steel and wiring and a simple positronic brain.” 13. “He does everything ㉘that I want him ㉙to do, Dad. He understands ㉚me.” 14. “No, son. Robutt is just a machine. It ㉛is just programmed to act the way it does. A dog is alive. You’ll see the difference once he ㉜gets here.” 15. Jimmy looked at Robutt, who was squeaking again, a very low, slow squeak ㉝that seemed frightened. Jimmy held out his arms and Robutt was in them in one bound. 16. Jimmy said, “What will the difference be ㉞between Robutt and the dog?” 17. “It’s hard ㉟to explain,” said Mr Anderson, “but it will be easy to see. The dog will really love you. Robutt is just ㊱adjusted to act as though it loves you.” 18. “But, Dad, we don’t know ㊲what his feelings are. Maybe it’s just acting, too.” 19. Mr Anderson frowned. “Jimmy, you’ll know the difference ㊳when you experience the love of ㊴a living thing.” 20. Jimmy held Robutt ㊵tightly. He was frowning, too, and the desperate look ㊶on his face meant that he wouldn’t change his mind. He said, “But what’s the difference ㊷how they act? How about how I feel? I love Robutt and that’s ㊸what counts.” 21. And the little robot-mutt, ㊹which had never been held so tightly in all its ㊺existence, squeaked high and rapid squeaks – happy squeaks. 学科网（北京）股份有限公司 $