Unit 3 Section A 4a-4c 2026-2027学年九年级英语上册同步实用课件（新教材人教版）

Unit 3 Smart Learning Section A 4a-4c Lead in. Read the following sentences and think. 1. He asks a question. 2. I know the truth. 3. I doubt the news. 4. She cares about the result. 5. Let's see the difference. What is the object clause? 宾语从句的结构： _______ + ________ + _______________________ + ___________. 4a. Read the sentences. Circle the connecting words and underline the object clauses. I believe (that) reading is important for learning. I think (that) the best way is to do maths problems. Peter finds (that) he can connect physics with something in real life. I wonder if / whether you could help me. I want to know if / whether you read English books outside class. 连接词/引导词 宾语从句 主语 谓语 引导词(that / if / whether) 宾语从句 一、Object clause --- Connecting words(引导词). 1. that 我认为最好的方法是做数学练习题。 我认为它们能帮助我更好的理解历史事件。 我们相信我们能从这些学习小贴士获益良多。 I think(that)the best way is to do math problems. I think(that)they can help me better understand hostotical events. We believe(that)we can benefit a lot from these learning tips. 1. that后面的句子，是一个完整的__陈述句____。 （陈述事实、观点、发现） 2. that 可以省略. think,believe,know,find, understand,say, tell, realize, hope, remember,forget ①Good habits improve our studies. I know ________________________________. (that) good habits improve our studies ②We can get learning tips from podcasts. She thinks ____________________________________. (that) we can get learning tips from podcasts ③Students have different learning ways. I believe ____________________________________. (that) students have different learning ways. ④Practice brings good results. I know ____________________________. (that) practice brings good results 将下列句子填入横线,构成宾语从句。 练习。 2. whether / if 是否 我想知道你能否帮助我学习历史。 她问这部电影是否值得一看。 他们想弄清楚这个方案是否可行。 I wonder ___________ you could help me with my history study. She asks ___________ the movie is worth watching. They want to find out ___________ the plan works well. if / whether if / whether if / whether wonder, ask, know, doubt(怀疑), decide, tell, find out, want to know 特殊情况 1 “是否” → 宾语从句，if / whether 都可 “如果” → 条件状语从句，只能用 if。 如果明天下雨，我们就推迟旅行。 如果你努力学习，你就能通过考试。 我不知道明天是否会下雨。 他想知道Mike 是否会参加英语比赛。 If it rains tomorrow, we will put off the trip. If you study hard, you can pass the exam. I don't know if / whether it will rain tomorrow. He wonders if / whether Mike will take part in English competition. 特殊情况 2 只能用whether 的几种情况： 1. 句子后有or not时，只能用whether, 即whether or not. 没有人知道他是否会接受邀请。 这取决于我们是否有足够的钱。 Nobody knows whether or not he will accept the invitation. It depends on whether or not we have enough money. 2. 动词不定式前，只能用whether, 即whether to do. 他还没有决定今年夏天是否去旅行。 我不知道要不要向老师求助。 He hasn't decided whether to travel this summer. I don't know whether to ask the teacher for help. 3. 介词(on, about, of)后只能用whether, 即介词+whether 从句. 4. 宾语从句前置，放到整个句子的句首，只能用whether, 表强调 成功在于我们是否一直在坚持努力。 她担心她儿子能够和同学们和睦相处。 The success lies in ________ we keep trying all the time. She worried about ________ her son could get on well with classmates. whether whether 她能否完成这份报告，我不知道。 他是否会改变主意，我们无法判断。 ________ she can finish the report, I don't know. ________ he will change his mind, we can't tell. Whether Whether 用 if / whether填空。 I don’t know ____________ he will come tomorrow. ______ he comes, I will call you. I wonder __________ or not she likes the gift. It depends on ________ we have enough time. I can’t decide ________ to accept the invitation or not. _____________ we will go camping depends on the weather. ___________ you don’t hurry, you will miss the train. She asked me _________ I had finished my homework. I’m not sure _____________ he is at home or at school. __________ it rains tomorrow, we will stay at home. I don’t know ___________ he is at home. _________ he is at home, please tell me. if/ whether If whether whether whether Whether If if/whether if / whether If if / whether If I hope ______ I can pass the exam. I don’t know _________ it will rain tomorrow. We are not sure ________ he will come or not. She asks _________ we want to play basketball. It depends on __________ you keep practicing. Tom hasn’t decided _________ to join the club. He told us ______ he liked science, because it could change the world. (that) if / whether whether if / whether whether whether (that) 综合练习。用that, if , whether填空。 把下列的简单句合并成宾语从句。 1. I believe. She can finish the work. → _______________________________________. 2. Do you know? She will buy a new bike. → _______________________________________. 3. I wonder. Does Lily like painting? → _______________________________________. 4. Nobody knows. Will it rain tomorrow? → _______________________________________. I believe (that) she can finish the work Do you know (that) she will buy a new bike I wonder if/whether Lily likes painting Nobody knows if/whether it will rain tomorrow 注意 1. 陈述句连接词用___________。 2. 简单句是一般疑问句时，转换成宾语从句时用_________ if/whether that 二、Object clause --- Word order(语序). 1.无论主句是陈述句还是疑问句，宾语从句都要用______语序。 2. 陈述语序结构：______ + ______ + ______ 陈述 引导词 主语 谓语 3.当疑问词作主语时，语序无需改动。 1. I want to know. Are they playing football? 2. He asks. Does Lucy like drawing? 3. She wonders. Who can help us. I want to know whether / if they are playing football. He asks whether / if Lucy likes drawing. She wonders who can help us. Where is the post office? → I don’t know ___________________. What does he want? → I wonder ___________________. When will she come? → Can you tell me ___________________? Why did he cry? → I don’t know ___________________. How does it work? → Please explain ___________________. 把下列句子改为宾语从句。 where the post office is what he wants when she will come why he cried how it works 1. Jim doesn’t know ____________ he can take part in the research project or not. 2. My parents think _________ they need to be stricter about my studies. 3. Ms Gao understands _________ some students need more time to improve. 4. Terry wonders ___________ it will be easy to study courses on AI. 5. Could you tell me ___________ this sentence is correct in English? whether / if that that whether / if whether / if don’t know说明对后面事情不确定 think说明对后面的事情是确定 understand说明对后面的事情是明白了的 wonder想知道，说明对后面的事情不确定 Complete the sentences with that or whether / if. 4b could you tell me，说明对后面的事情不确定 Look and share Do you know who the man is? Yes. He is Hua Luogeng, a great Chinese mathematician. What do you know about him? He left high school early. He loved maths. He taught himself maths. ... /ˌmæθəməˈtɪʃn/ n. 数学家 Complete the passage with the correct sentence parts. A. by studying maths books　B. He suggested that　C. He wondered whether D. learning had many challenges　　 E. It is hard to believe As a youth, Hua Luogeng left high school to support his family. However, he loved maths and did not want to give up. _______ there was a way to continue learning. Finally, he decided to teach himself _______. Hua Luogeng later introduced a reading and learning method to young learners. _______ learners should read and take notes very carefully, and then summarize the key points. He once said, “A book starts heavy and thick but becomes thinner as you understand it better.” As an active learner, Hua Luogeng stayed positive no matter what difficulties he met in his life and studies. _______ that such a talent also failed exams in school, but that was true for him. He said that _______ and it was important to take things step by step. C A B E D 4b As a youth, Hua Luogeng left high school to support his family. However, he loved maths and did not want to give up. He wondered whether there was a way to continue learning. Finally, he decided to teach himself by studying maths books. Hua Luogeng later introduced a reading and learning method to young learners. He suggested that learners should read and take notes very carefully, and then summarize the key points. He once said, “A book starts heavy and thick but becomes thinner as you understand it better.” As an active learner, Hua Luogeng stayed positive no matter what difficulties he met in his life and studies. It is hard to believe that such a talent also failed exams in school, but that was true for him. He said that learning had many challenges and it was important to take things step by step. Underline the object clauses and circle the connecting words in the passage. 宾从 连接词 他想知道是否有一种方法可以持续学习。 他建议学习者应当认真阅读、做好笔记，然后总结要点。 他说学习存在许多挑战，循序渐进十分重要。 很难相信这样一个天才在学校考试中也会不及格，但对他来，这是真的。 He wondered whether there was a way to continue learning. He suggested that learners should read and take notes very carefully, then summarize the key points. He said that learning had many challenges and it was important to take things step by step. It's hard to believe that such a talent also failed exams in school, but that was true for him. Read 4c for the key phrases. 年轻的时候 (as此处作 “作为”的意思) 支持 放弃 = want to know 想知道 continue doing… 继续做某事 teach oneself 自学 介绍 方法 (v.) 总结 要点 建议 As a youth, Hua Luogeng left high school to support his family. However, he loved maths and did not want to give up. He wondered whether there was a way to continue learning. Finally, he decided to teach himself by studying maths books. Hua Luogeng later introduced a reading and learning method to young learners. He suggested that learners should read and take notes very carefully, and then summarize the key points. He once said, "A book 此处表 “深奥难懂” 此处表 “简单易懂” 作为 积极的 无论什么 如此一位天才 考试失败 循序渐进 随着 starts heavy and thick but becomes thinner as you understand it better." As an active learner, Hua Luogeng stayed positive no matter what difficulties he met in his life and studies. It is hard to believe that such a talent also failed exams in school, but that was true for him. He said that learning had many challenges and it was important to take things step by step. What learning methods are mentioned? Language Points 1. Could you tell me whether/if this sentence is correct in English? 你能告诉我这个句子的英文表达是否正确吗？ ①correct adj. 正确的；恰当的；得体的 同义词为 right，反义词为 incorrect “不正确的” ②correct adj. 恰当的 ③ adj.(行为) 合乎礼节的，得体的 ④词义拓展 v.纠正，改正 你能告诉我这道数学题的正确答案吗？ Can you tell me ____________________ to this maths problem? the correct answer 她在公共场合总是举止得体。 She always has __________________in public. correct manners 如果我的发音错了，请给我纠正。 ________________________ if it's wrong. Correct my pronunciation be correct in doing sth 做某事是正确 the correct answer/way/method 正确的答案/ 方式/ 方法 2. Hua Luogeng later introduced a reading and learning method to young learners. 后来，华罗庚向青年学习者们介绍了一套阅读和学习的方法。 method /ˈmeθəd/n. 方法 同义词为 way the method of/for (doing) sth.（做）某事的方法 她找到了一种轻松记新单词的方法。 She found_____________________________ new words easily. a method of/for remembering 自从计算机被引入学校以来，它们对学习方法产生了很大的影响。 Computers have had a great influence on ___________________ since they were introduced into schools. learning methods 3. He suggested that learners should read and take notes very carefully, and then summarize the key points. 他建议学习者们要非常认真地阅读、做笔记，进而总结要点。 ①suggest /səˈdʒest/v. 建议；提议 高频 suggest sth. (to sb.)(向某人) 建议某事 suggest doing sth. 建议做某事 suggest (that) sb. (should) do sth. 建议某人做某事 ② suggestion［可数名词］建议 其同义词 advice 为不可数名词。 乔伊建议在树下休息一下。 Joey ______________________under the tree. suggested taking a rest 这是个实用的建议。 It's _________________________. a useful suggestion advise sb to do sth give a suggestion 给出建议 follow one’s suggestion 遵循某人的建议 此课件为蜗牛英语圈原创，已申请版权，如有侵权必究 4.He wondered whether there was a way to continue learning.他想知道是否还有能继续学习的途径。 1. continue doing sth. 持续 / 继续做同一件事（本课原句结构） 含义：不间断接着做原来的事 2. continue to do sth. 做完一件事，接着去做另一件事 3. continue + 名词 继续某事 4. continue + 介词短语 continue with sth. 继续（后接名词，等同于 continue sth.） 做完记笔记后，她接着去总结重点，并且继续仔细阅读课文。 After finishing taking notes, she continued to summarize key points and continued reading the text carefully. 5.As an active learner, Hua Luogeng stayed positive no matter what difficulties he met in his life and studies.作为一名积极的学习者，无论在生活和学习中遇到什么困难，华罗庚都保持积极的态度。 no matter what 无论什么 拓展: “no matter + 疑问词”结构相当于“疑问词 +‑ever”。 no matter how = however（无论怎样） no matter what = whatever（无论什么） no matter when = whenever（无论何时） no matter where = wherever（无论在哪里） Exercises 26秋九上Unit3 Smart Learning第四课时 一、根据本课时所学内容，默写下列短语： 1.养家糊口 2.继续学习 3.自学 4.总结要点 5.保持积极 6.考试不及格 7.对…… 要求更严格 8.学习人工智能相关课程 9. 研究项目 10.循序渐进 11.学习方法 support one's family teach oneself fail exams be stricter about study courses on AI research project summarize the key points stay positive take things step by step learning method continue to learn/learning be strict with sb 对某人要求严格 二、根据本课时所学内容，完成下列句子： 1.你能告诉我我能否参加这个研究项目吗？ Could you tell me ? 2. 不管你遇到什么困难，保持积极是很重要的。 It is important . 3. 很难相信如此一个天才在学校的考试中也不及格。 ________________ such a talent also failed exams in school. 4.我的朋友认为我父母对我很严格。 My friends think . 5.学习有很多挑战，循序渐进是很重要的。 Learning had many challenges and . if/whether I can take part in the research project or not to stay positive no matter what difficulties you meet It is hard to believe that my parents are strict with me it was important to take things step by step. 此课件为蜗牛英语圈原创，已申请版权，如有侵权必究 1.He wondered ___________ there was a way __________ (continue) learning after dropping out of school. 2.His mother decided __________ (teach) him maths ______ reading old books. 3.He believed ______ summarizing key points could make study easier, so he kept ______ (take) notes every day. 4.Jim doesn’t know ______ he can take part in the research activity ______ not. 5.It is hard __________ (believe) ______ such a talent failed many exams when he was young. 6.She said that learning ______ (have) lots of challenges and we should move forward step ______ step. 7.I want to know ____________ we can stay positive no matter ______ difficulties we meet in study. 语法填空： whether/if to continue to teach by that taking whether or to believe that had by if/ whether what $