(二)歸納小結(jié)。設(shè)問:今天學(xué)了什么?什么叫軸對(duì)稱圖形?怎樣判斷軸對(duì)稱圖形?什么叫對(duì)稱軸?怎樣找出軸對(duì)稱圖形的對(duì)稱軸?(新課后的總結(jié)能起到畫龍點(diǎn)睛的作用,同時(shí)有利于幫助學(xué)生理清知識(shí)結(jié)構(gòu),形成完整認(rèn)識(shí)。)現(xiàn)在能把兩側(cè)大小不同的蝴蝶圖畫成一模一樣嗎?(教師拿著新課引入時(shí)的不對(duì)稱的蝴蝶圖)(前后呼應(yīng),解答課前疑難,目的是檢查學(xué)生活用知識(shí)的情況。)全課小結(jié):這節(jié)課,我通過五個(gè)環(huán)節(jié)的教學(xué)設(shè)計(jì),既遵循了概念教學(xué)的規(guī)律,又符合小學(xué)生的認(rèn)知特點(diǎn),指導(dǎo)學(xué)生操作、觀察、引導(dǎo)概括,獲取新知;同時(shí)注重培養(yǎng)學(xué)生的形象思維和抽象思維。在教學(xué)過程中讓學(xué)生動(dòng)口、動(dòng)手、動(dòng)眼、動(dòng)腦為主的學(xué)習(xí)方法,使學(xué)生學(xué)有興趣、學(xué)有所獲。附板書設(shè)計(jì):軸對(duì)稱圖形如果一條圖形沿著一條直線對(duì)折,兩側(cè)的圖形能夠完全重合,這個(gè)圖形就是軸對(duì)稱圖形。折痕所在的這條直線叫做對(duì)稱軸。
預(yù)設(shè) (1)蘇州某生物科技有限公司生產(chǎn)假口罩和知名校長(zhǎng)胡紅梅抄襲的行為與中華民族的傳統(tǒng)美德相悖。(2)只有講誠(chéng)信,社會(huì)才會(huì)文明,國(guó)家才會(huì)興盛。3.學(xué)生列舉身邊關(guān)于誠(chéng)信的故事,小組交流,全班展示,師適時(shí)點(diǎn)撥、總結(jié)、評(píng)價(jià)。師小結(jié):堅(jiān)持誠(chéng)信,就會(huì)贏得信任,誠(chéng)信是獲得信任的前提。【設(shè)計(jì)意圖】通過事例分析,引導(dǎo)學(xué)生對(duì)不誠(chéng)信行為的認(rèn)識(shí),從而進(jìn)一步了解誠(chéng)信的重要性。四、演講實(shí)踐,說“信”學(xué)生活動(dòng):1.根據(jù)自己的理解,寫一篇演講稿,說說如何才能做一個(gè)有誠(chéng)信的人。2.全班交流討論。教師活動(dòng):1.根據(jù)學(xué)生的交流,及時(shí)做出總結(jié)評(píng)價(jià)。2.歸納總結(jié),引導(dǎo)學(xué)生形成“說誠(chéng)信話,做誠(chéng)信事,做誠(chéng)信人”的行為準(zhǔn)則。師小結(jié):誠(chéng)信是為人之本,相信今天的誠(chéng)信教育僅僅是我們邁向成功人生的第一步。誠(chéng)信的力量可以點(diǎn)石成金。我們要崇尚誠(chéng)信:身披一襲燦爛,心系一份執(zhí)著,帶著誠(chéng)信上路。
一、指導(dǎo)思想 以學(xué)??傮w工作計(jì)劃為指導(dǎo),以深入開展素質(zhì)教育和創(chuàng)新教育為目標(biāo),圍繞學(xué)校主題教育活動(dòng),提高學(xué)生的思想素質(zhì)和科學(xué)文化素質(zhì)、以愛國(guó)主義教育為主線,以學(xué)生的行為習(xí)慣的養(yǎng)成為主要內(nèi)容,注意培養(yǎng)和提高學(xué)生的基本道德。規(guī)范班級(jí)日常管理工作,開展豐富而有意義的少先隊(duì)活動(dòng),努力探索班級(jí)工作的新特色。
Choose the best choice fromA to F to finish the dialogue. You have one more answer. Each choice should beused only once.A: Hello, I’m a schoolnewspaper reporter. May I ask you some questions?B: ____46____
B: It’s about theexperiments three astronauts are doing on the space station.A: That’s great. I’minterested in space, so I want to be an astronaut like them.
There are many kinds ___21___art forms in China. ___22___ you often see any of them in your life?They help us understand and enjoy the traditional Chinese culture. When theSpring Festival comes, some people often ___23___ the red paper intodifferent art works with scissors.
On a snowy day, there was a man walking in ahurry on the road. His clothes were in poor condition. You might think he was abeggar(乞丐),but in fact he was a painter. His name was Vincent Willem van Gogh.
I often use old clothes that people don’t wearany more to make bags. I opened a small shop in my community and set up awebsite to sell the bags online. Many customers think they are fantastic. Now Iplan to write a new book about ways to use old clothes.
Michelle,a famous lady, has found that more than 25% students are too fat in hercountry. It is a very serious problem. So she starts a Health Program to dealwith it. The Health Program is to reduce the number of fat students today andin the future.
I often hear some students say English isdifficult, so they can’t learn it well. ___11___ English is very easy for me. I’m good ___12___ it. I’m very glad to tell you ___13___ about how I study English.
___14___, I think an interest in Englishis very important. When I was in Grade Three, we had a new ___15___ — English,it was new for me. I was interested in it. I worked hard at it. Soon we had anEnglish exam and I got a very good mark. How ___16___ I was! After that,I learned English harder. Our English teacher often teaches us English songs,and ___17___ sound nice. I often think how interesting English is!
Bike-to-Work Day is held every year across North America on thethird Friday of May. It was started by the League of American Bicyclistsin 1956. Its aim is to promote (促進(jìn)) the bicycle as a serious choice of getting toand from work. In today’s world where global warming is a serious issue, thebicycle is a perfect way of reducing our carbon (碳) footprint.
Dealing with a nosebleed(鼻出血)mightseem simple. But recently, the British RED Cross asked parents with youngchildren how to help a child with a nosebleed. About 65 percent of parents didnot ____11____ the correct action to help.
FIFA World Cup is one of the biggest sportsevents in the world. It ___11___every 4 years. The first World Cup was in 1930. It has a history of over 90years. During the World Cup, ___12___fans watch the games and cheer for their favorite teams or players.
FIFA World Cup is one of the biggest sportsevents in the world. It ___11___ every 4 years. The first World Cup wasin 1930. It has a history of over 90 years. During the World Cup, ___12___fans watch the games and cheer for their favorite teams or players. We haveknown some famous football players from the football competitions, such asBeckham, Messi, and Figo. They have excited football fans for many years.
My earliest memory ofthese events began when I was around four years old. I was filled with ___12___ at that time. There were lots of ___13___ — crying, shouting, and doors slamming (砰地關(guān)上).
The December day started like any other. Papacame back with his boat full of fish. Mama made breakfast for the family.Seven-year-old Joonas was doing his homework, while his two little brothers ranaround the yard. That day seemed peaceful, but Alejo ____16____ better.
Melatonin(褪黑素) is produced by the body to control when you get sleepy and whenyou wake up. As night falls, the levels of melatonin rise, telling the bodythat it’s time for bed. And the levels naturally fall as daylight comes near,getting you ready to greet the day.
Duringwork hours in Becker’s bread shop, the kitchen is especially quiet except thesound of the machine. The quiet environment is not the result of the strictrules, but because all the workers are deaf. They use sign language tocommunicate with each other from time to time.
My arms were shaking and my heart was beating ____19____ when I stood at thestarting line. ____20____the endless runway (跑道), I felt like a boat fighting against the windand rain. I ____21____myself that simply joining in was a victory (勝利) itself.