Unit 6 Period 4 Section B(2a－Self Check)-【金牌导学案】2025-2026学年九年级全一册英语课时作业课件（人教版）

该初中英语课件聚焦Unit 6 "When was it invented?" Period 4 Section B(2a－Self Check)，核心知识点为过去时态被动语态及相关词汇短语运用。通过基础过关精练的单词填空（含音标提示）、短语辨析（如the number of与a number of）巩固前序知识，衔接综合能力训练的语法选择（个人发明经历语境）和阅读回答（牙刷发明历史），构建从基础到综合的学习支架。 其亮点在于分层设计与核心素养融合，基础过关的单项选择（如divided into用法辨析）提升语言能力，综合训练的阅读回答（梳理牙刷发明时间地点）培养思维品质，分层练习帮助学生掌握学习策略。学生能夯实基础并提升综合运用能力，教师可通过系统练习高效检测学情。

Unit 6　 When was it invented？ 金牌导学案  Unit 6 1 2 基础过关精练 综合能力训练 Period 4　Section B(2a－Self Check) 2 一、 根据所给提示填写适当形式的单词，使句子完整。 1．There are some vegetables, fruit and eggs in the 　 　（/'bɑːskIt/）. 2．The students were d　　　　 into four groups before the competition. 3．It took me 　　　　　（near） two hours to get there to meet her. 4．There used to be a lot of national 　　　　　（hero） during the period of wars. 5．My brother wants to be a 　　 　　　（专业的；职业的） ping-­pong player. basket ivided nearly heroes professional Period 4　Section B(2a－Self Check) 基础过关精练 形容词（adj.） 3 二、根据语境，从方框中选择恰当的短语填空，注意形式变化。 not only … but also … 　　both … and … 　　the number of　　a number of　　look up to 1．　　　　 his parents 　　　　 his English teacher are proud of him for his great performance. 2．Many teenagers 　　　　　 　 this national hero and want to become a person like him. Both and look up to Period 4　Section B(2a－Self Check) 基础过关精练 形容词（adj.） 4 not only … but also … 　　both … and … 　　the number of　　a number of　　look up to 3．We may come across 　　　　　　 　challenges when we grow up. 4．　　　　　　　　　 students taking part in this competition is 102. 5．　　　 　　 Susan 　　　 　　 Tom plans to go to a music concert. a number of The number of Not only but also Period 4　Section B(2a－Self Check) 基础过关精练 形容词（adj.） 5 三、单项选择。 （　　）1.　　　　 is believed that traveling to Yangzhou in March is an enjoyable experience. A．That B．This C．It D．One （　　）2.—Bobby，turn the TV off and set the table. Dinner is 　　　　 ready.　 —OK，Mom. A．simply B．nearly C．heavily D．widely C B Period 4　Section B(2a－Self Check) 基础过关精练 （　　）3.Our class is 　　　　 seven groups. And each group has eight students. A．compared with B．translated into C．connected with D．divided into （　　）4.—What 　　　　 the number of the students in your school? —About 2,000.A number of them 　　　　 from the countryside. A．is；are B．is；is C．are；is D．are；are A D Period 4　Section B(2a－Self Check) 基础过关精练 （　　）5.—I often see Peter's father play basketball on my way to school. —That's not strange.　　　　 Peter 　　　　 his father enjoy sports. A．Both；and B．Neither；nor C．Either；or D．Not only；but also A Period 4　Section B(2a－Self Check) 基础过关精练 四、语法选择。 主题：作者在发明领域的探索与成长　　难度：★★★　　建议用时：8 mins I have invented robots which improve the work of cars.I loved making things 　1　 I was a kid.I really became excited about inventing after I learned about Thomas Edison. （　　）1.A.when B．because 　　　　　C．if A Period 4　Section B(2a－Self Check) 综合能力训练 One day, we 　2　 a project by our teacher in class.We had to write to 　3　 company and learn about the products.I thought and thought. Finally I chose the Thomas A．Edison Company. Soon after, the company sent me a book 　4　 the life of Thomas Edison. How I enjoyed reading and re­reading about his inventions! （　　）2.A.offered 　　B．are offered 　C．were offered （　　）3.A.a B．an 　C．the （　　）4.A.beside B．about 　C．with C A B Period 4　Section B(2a－Self Check) 综合能力训练 I liked the recorded sound and the electric light most.The inventions were 　5　 printed in my brain. My dad noticed my interest in inventing and encouraged me.He showed me 　6　 I could turn my ideas into plans and then into new things.Once, I surprised my dad with a model plane I made.Later, we found a similar model plane in a store. （　　）5.A.clear 　 B．clearer 　C．clearly （　　）6.A.where B．how 　C．what C B Period 4　Section B(2a－Self Check) 综合能力训练 I learned that different 　7　 often invent similar things.It is not unusual for this to happen.I also learned that not all great ideas work.Failure is a common part of the inventing.As my father and 　8　 worked together, I began to realize how wise my dad was. （　　）7.A.inventors 　　B．inventor 　C．inventor's （　　）8.A.myself 　　B．I C．mine A B Period 4　Section B(2a－Self Check) 综合能力训练 He was always looking for a better way to do a simple job.His guiding hands, together with my interest in inventing, have led me 　9　 an engineer and inventor.Of course, I 　10　 thank Thomas Edison.He is my hero. （　　）9.A.become 　B．becoming 　 　C．to become （　　）10.A.also B．too 　　 C．either C A Period 4　Section B(2a－Self Check) 综合能力训练 五、回答问题。 主题：牙刷的发明历史与全球发展历程 　　难度：★★★　　建议用时：5 mins There are many different ideas about when and where the first toothbrush was invented. Some people say it was invented in China around the 11th century. Others say the Romans invented it around the time of Caesar. Nobody knows the exact history of teeth cleaning. Period 4　Section B(2a－Self Check) 综合能力训练 Before the first toothbrush, sharp（尖的） objects were used to clean teeth. It's believed that tribes（部落） in Africa and Australia invented the idea of cleaning their teeth.The modern toothbrush with bristles（毛） was invented in China much later in the 16th or 17th century.Toothbrushes moved to Europe in the mid­1600s and then became widely used in the area.Animal hair was the first type of bristle to be used. Period 4　Section B(2a－Self Check) 综合能力训练 Today, toothbrushes have nylon（尼龙） bristles and normally have a plastic handle（塑料手柄）.Animal hair was replaced by nylon in 1938. Electric toothbrushes were invented and marketed in 1880 by Dr. Scott. The popularity of the electric toothbrush did not take place until after World War Ⅱ. Period 4　Section B(2a－Self Check) 综合能力训练 1．What were used to clean teeth before the first toothbrush? ___________________________________________________________ ___________________________________________________________ 2．Where was the modern toothbrush with bristles invented? ___________________________________________________________3．When did toothbrushes move to Europe? ___________________________________________________________ Sharp objects were used to clean teeth before the first toothbrush. / Sharp objects. The modern toothbrush with bristles was invented in China. /In China. Toothbrushes moved to Europe in the mid­-1600s./In the mid­-1600s. Period 4　Section B(2a－Self Check) 综合能力训练 4．Did nylon replace animal hair in 1938? ____________________________________________________________5．Who invented the first electric toothbrush? ____________________________________________________________ Yes, it did. Dr. Scott invented the first electric toothbrush./Dr. Scott. Period 4　Section B(2a－Self Check) 综合能力训练 感谢聆听 $