九上Unit6第2课时

<h1>The Second Period—Section A(3a－4c)</h1><p> Teaching Important Points　【教学重点】</p><p>　Key words & phrases：</p><p>　ruler，boil，remain，smell，national，trade，doubt，fridge，low，somebody，translate，lock，ring，earthquake，sudden，bell，biscuit，cookie，musical，instrument</p><p>by accident，take place，fall into，make tea，less than，without doubt，all of a sudden</p><p>　Key sentences：</p><p>　1.Did you know that tea was invented by accident?</p><p>　2.Most people believe that tea was first drunk about 5，000 years ago.</p><p>　3.It is said that…</p><p>　4.It is believed that…</p><p>　5.In England，tea didn't appear until around 1660.</p><p>　Key structure：</p><p>　S＋was/were＋past participle＋…</p><p>eg：One of the world's favorite drinks was invented by accident.</p><p> Teaching Difficult Points　【教学难点】</p><p>　★Practice the passive voice in reading comprehension.Learn about Chinese tea culture.</p><p> Teaching Aids　【教学工具】</p><p>　A tape recorder，CAI or multimedia courseware.</p><p> Teaching Steps　【教学过程】</p><p>★Step 1　Leading in　【新课导入】</p><p>1．Greeting</p><p>2．Brainstorming</p><p>Quickly ask questions.Like this：</p><p>When was…invented？What is it/are they used for？…</p><p>3．Ask pairs of students to act out the conversation in 2d and then see who can make their own conversations.</p><p>★Step 2　Cooperative inquiry　【合作探究】</p><p>1．Finish the task in 3a</p><p>①Tell the class that today we are going to read about an accidental invention.Write “An accidental invention” on the board.Ask：What does it mean？Can you think of an invention that was invented by accident？Get the students to discuss.</p><p>②Quickly read the passage and match the paragraphs with the main idea.Do not mention the new words and expressions at this stage.</p><p>③Check the answers and ask why they think so.</p><p>2．Finish the task in 3b</p><p>3．Finish the task in 3c</p><p>①Read the instructions.Read the five sentences and the words beside them.</p><p>②Fill in the blanks by themselves.</p><p>③Get the students to learn the new items in th

e passage.</p><p>④Check the answers with the whole class.</p><p>4．Finish Grammar Focus</p><p>①Read aloud the sentences in the grammar frame until fluently.</p><p>②Find out the passive structure with students.</p><p>③Write the sentences in their active voice on the blackboard.Get the students to compare them with passive voice.Ask the students about the changes of the subject，the verb forms and the meanings.Practice some sentences by turning the active voice into the passive voice.</p><p>5．Finish the task in 4a</p><p>6．Finish the task in 4b</p><p>7．Finish the task in 4c</p><p>★Step 3　Homework</p><p>1．Try to retell the story how tea was invented.And retell the story about Bell and how he invented the telephone.</p><p>2．Write a few sentences about tea and its story.</p><p>3．Rewrite the sentences using the passive voice.</p><p>(1)They made this machine long ago.</p><p>________________________________________________________________________</p><p>(2)The teacher told us the story.</p><p>________________________________________________________________________</p><p>(3)Did you finish your task at that time?</p><p>________________________________________________________________________</p><p>(4)The traders brought tea to many countries around the world.</p><p>________________________________________________________________________</p><p> Board Design　板 书 关于书的成语关于读书的排比句社区图书漂流公约怎么写关于读书的小报汉书pdf 设计 领导形象设计圆作业设计ao工艺污水处理厂设计附属工程施工组织设计清扫机器人结构设计 </p><p>Unit 6　When was it invented?</p><p>Section A(3a－4c)</p><p>An accidental invention</p><p>tea，the most popular drink，the brown water，national drink，one of the world's favorite drinks，produce a nice smell</p><p>drink，taste，plant，trade，invent－invention，popular－popularity.</p><p>Active voice：S＋v＋O＋…</p><p>Passive voice：O＋be＋past participle＋by＋S</p><p> Teaching Reflection　【教学反思】</p><p>　　　In this period，we should learn and practice a lot of words and the key points more in reading and speaking activities.Besides the new words and expressions，students should learn the grammar.We must practice the active voice and the passive voice by rewriting sentences and remember the changes.</p>