九年级英语Unit13Weretryingtosavetheearth（TheFourthPeriod—SectionB2a－2e教案（新版）人教新目标版.docx

The Fourth PeriodSection B(2a2e)Teaching Important Points【教学重点】Key words & phrases：gate，bottle，president，work，metalthrow away，put sth. to good use，pulldown，bring backKey sentences：1.Have you ever thought about how these things can actually be put to good use?2.Nothing is a waste if you have a creative mind.3.He is known for using iron and other materials from old cars to make beautiful art pieces.Key structure：Review of the tenses.Teaching Difficult Points【教学难点】Understand prefixes and suffixes.Teaching Aids【教学工具】A tape recorder，CAI or multimedia courseware.Teaching Steps【教学过程】Step 1Leading in【新课导入】1Greeting2ReviewAsk students some questions：What can we do to help save the earth?Have you ever recycled books or papers?Step 2Cooperative inquiry【合作探究】1Finish the task in 2aWork in groups.Look at the title and the pictures in 2b.What is the passage about？Can you guess？Discuss in groups and prepare the new words for the coming reading.Ask individual students to talk about this.The teacher gives suggestions.And lead to the reading.2Finish the task in 2bAsk：what can you see in the pictures？What is it/are they made of？Do you think its a good way to protect the environment？While talking with the students，the teacher can present new words and expressions.upside down，iron，work，metal，creativityRead the paragraphs quickly and understand their main ideas.Read the passage again.Finish the chart in 2b.And underline the sentences in the passage.Check with the class.3Finish the task in 2cRead the phrases in the box in 2c.Then find them in the passage.Learn their meanings.Read the sentences in 2c and understand them.Finish the task of filling.Get the students to read out the complete sentences and check their work.4Finish the task in 2dRead the strategy in the box in 2b.Teach prefixes and suffixes.Get the students to find words based on these given words in the passage.Write down the words and tell their meanings.rethink，reuse，unusualactually，building，creative，recently，environmental，importance，protection，inspirationespecially Ask how these prefixes and suffixes affect the meaning.Give more roots for the students to form new words.agree happy polite possible honest friendlyChina care help home use hope friend neighbor5Finish the task in 2eRead the instructions.What need to be done to save the environment？Make a list.Students work in groups.Discuss the following：Which things can be done by individual people？Which things have to be done by government and organizations?One student from each group reports the opinions to the class.Step 3Homework1Read aloud the passage in 2b until fluently and learn the new words and expressions in it.2Write down the list of things we can do or have to do to protect the environment in the exercise books.3Translate the following sentences into English.(1)我们可以变废为宝。_(2)他善于利用废旧物品。_(3)这些花是由废弃的塑料瓶制作的。_Board Design板书设计Rethink，Reuse，Recycle!rethink，reuse，unusualactually，building，creative，recently，environmental，importance，protection，inspirationespeciallyPrefixes：re un dis in/im/il Suffixes：lyfullessnessshipeseer/oryalhoodingedtionsiontivementagree happy polite possible honest friendlyChina care help home use hope friend neighborTeaching Reflection【教学反思】In the reading period，students accept a large amount of information besides they learn new words and expressions and structures.So today they will learn how to help save the earth.What can we do and what do the government and organizations have to do to protect the environment？It is a good time to train the students abilit