Unit5 Art world Grammar课件 2025-2026学年译林版九年级（2012）九年级英语上册

该初中英语课件聚焦原因状语从句，涵盖because、since、as的用法及相关词汇（如highly、last），通过词汇导入、例句解析、正误对比（如because不可与so连用）、情境应用（Tan Dun案例）及练习，构建从基础到应用的学习支架，帮助学生系统掌握语法点。 其亮点在于结合语言能力与思维品质，通过对比表格明晰because/since/as异同，中考真题链接实战，任务型作业（采访朋友）提升应用能力。学生可强化语法应用与表达，教师能借助清晰结构与分层练习提高教学效率。

Highly. highly . breath. breathe out . of breath. out of breath. Last . last. highly adv. 高度地；高地 last vi. 持续 breath out of breath n. 呼吸 上气不接下气 Each game lasts about an hour. 每场比赛持续一个小时左右。 Grammar because引导的原因状语从句 I like music because it makes me feel relaxed. I like painting because it can bring so much fun to me. ... What art forms do you like? Why? 原因状语从句是指在复合句中表示主句动作发生原因的句子。 How do we use it? 因为下大雨，格林先生没有来。 = Mr Green didn't come because of the heavy rain. ① I did not go to school yesterday because I was ill. ② He failed the exam because he was too careless. 我昨天没去上学，因为我生病了。 because意思是“因为”，表示动作发生的直接原因，语气很强。 because引导的原因状语从句 因为他太粗心了，所以没有通过考试。 because引导的原因状语从句有时可以与because of 短语互换。 ② Mr Green didn't come because it was raining heavily. 汉语里我们习惯说“因为……所以……”，但使用英语时不能将because与so连用。 ① Because my bike was broken, I went to school by bus yesterday. ( ) ② Because my bike was broken, so I went to school by bus yesterday. ( ) T F ① - Why didn't he go with us today? - Because he was too tired. ② - Why are you late for school today? - Because I missed the bus. —你今天为什么上学迟到？ —因为我错过了公共汽车。 —他为什么今天没跟我们一起去？ —因为他太累了。 * because常用来回答why引导的疑问句。 Daniel has more questions about Tan Dun. He searched the Internet and made some notes. Look at his notes and answer his questions. Use because to introduce the reasons. He has successfully brought Chinese and Western music together. He is a world-famous composer. He has created a new type of music—music without boundaries. He thinks the best music comes from nature. 1 Why was Tan Dun chosen to write music for the Beijing Olympics? _______________________________________________________ 2 Why does Tan like the sounds of nature? _______________________________________________________ 3 Why is Tan able to build a bridge between the East and the West? ________________________________________________________ ________________________________________________________ 4 Why do people think highly of Tan's music? _________________________________________________________ _________________________________________________________ P70 Because he is a world-famous composer. Because he thinks the best music comes from nature. Because he has successfully brought Chinese and Western music together. Because he has created a new type of music - music without boundaries. 意为“高度赞扬；对……评价很高” 除because之外，还有哪些词可以用来引导原因状语从句呢？ Fill in the blanks. _____ he had no musical instruments then, he made music with common objects like stones and paper. _____ he likes the sounds of nature, Tan uses them a lot in his music. Since As since和as也可以用来引导原因状语从句 ① Since you are free, you'd better tidy your bedroom. ② Since it is late, I shall go home right now. 既然你有空，最好把卧室整理一下。 （由于）时间不早了，我得马上回家。 since意思是“既然；由于；因为”，表示已知的、显然的理由，较正式，多位于句首。 since引导的原因状语从句 ① As you were not there, I left a message. ② As it is raining, you'd better take a taxi. 因为你不在那里，所以我留了个信儿。 既然在下雨，你最好乘出租车。 as和since的用法大体相同，表示附带说明的“双方已知的原因”。 和because相比，since和as的语气稍弱。 as引导的原因状语从句 There is going to be an art festival at Sunshine Middle School. Help Amy make sentences with since or as. P71 Since/As Kitty will dance at the song and dance show, she has to practise hard these days. P71 Sandy will design the posters for the art festival since/as she can draw very well. Since/As some students love painting and taking photos, there will be a students' art show. Since/As the art festival is open to all students and parents, everybody is welcome. Sunshine Middle School gave all the students free tickets to an opera during the art festival. Sandy is writing about it in her diary. Help her complete her diary entry with because or since/as. P72 because Since/As Since/As since/as because Since/As because 单项选择。 1. The news Besides A and B, C appears beautifully in the sky makes us excited ________ “C” is C919 from China, with many Jiangsu elements(元素). A. because B. so C. though D. then 【2023 江苏泰州】 2. People are praising Samelyn Lafuente highly _______ she tried hard to make sure of the happiness of the young students, even if it meant paying for everything out of her own pocket. A. because B. until C. if D. before 【2023 浙江绍兴】 直击中考 翻译句子。 1. History is my favorite subject because it's very interesting. 【2023 大连市】 2. Since my sister was unable to work with others, she was the only one left without a group. 【2023 淮安市】 历史是我最喜欢的科目，因为它非常有趣。 由于姐姐无法与其他人一起工作，她是唯一一个没有小组的人。 3. As we live in a rapidly developing world, we will be left behind unless(除非) we keep learning. 【2023 常州市】 4. Since you can't work out the problem, perhaps you need to ask your classmates for help. 【2023 南通市】 由于我们生活在一个快速发展的世界，因此除非我们不断学习，否则我们就会落后。 既然你解不出这道题，也许你需要向你的同学求助。 because since as 相同点 不同点 都可以引导原因状语从句 * because表示动作发生的 直接原因；since和as表 示已知的、显然的理由。 * because常用来回答why 引导的疑问句。 * because语气较强，since 和as的语气稍弱。 1. The soccer game will ______ for about one and a half hours. A. start B. end C. last D. be over 2. - Can Tom jump very ______? - Yes. My classmates all think ______ of him. A. high; high B. highly; highly C. highly; high D. high; highly Ⅰ. 单项选择 18 3. - Why didn't you go swimming with us yesterday afternoon? - ______ I had lots of homework to do. A. Because of B. Because C. As D. Since 4. ______ everyone is here, let's start the picnic right now. A. Because of B. Since C. Though D. Before 5. ______ it is Saturday today, we don't need to go to school. A. When B. While C. As D. Until 19 1. Lily likes folk because it has strong local colour. (对画线部分提问) 　_______ _______ Lily like folk? 2. Millie didn't go to the concert with her friends because of her illness. (改为同义句) Millie didn't go to the concert with her friends _______ _______ _______ ill. 3. Tom was tired. He didn't rest at weekends. (用because合并句子) ________________________________________ Ⅱ. 按要求完成下列句子。 Why does because she was Tom was tired because he didn't rest at weekends. 20 4. It is raining. The weather becomes much cooler. (用as合并句子) __________________________________________ __________________________________________ 5. I'm good at playing the piano. I'll play it at the art festival. (用since合并句子) ___________________________________________ ___________________________________________ As it is raining, the weather becomes much cooler. Since I'm good at playing the piano, I'll play it at the art festival. 21 Can you use because, since and as to give reasons? Ask six of your friends what they would like to do at the art festival and the reasons, then make sentences with because, since or as. $