This happens because the dish soap molecules have a strong negative charge, and the milk molecules have a strong positive charge. Like magnets, these molecules are attracted to each other, and so they appear to move around on the plate, taking the food coloring with them, making it look like the colors are quickly moving to escape from the soap.Listening text:? Judy: Oh, I'm so sorry that you were ill and couldn't come with us on our field trip. How are you feeling now? Better?? Bill: Much better, thanks. But how was it?? Judy: Wonderful! I especially liked an area of the museum called Light Games.it was really cool. They had a hall of mirrors where I could see myself reflected thousands of times!? Bill: A hall of mirrors can be a lot of fun. What else did they have?? Judy: Well, they had an experiment where we looked at a blue screen for a while, and then suddenly we could see tiny bright lights moving around on it. You'll never guess what those bright lights were!? Bill: Come on, tell me!? Judy: They were our own blood cells. For some reason, our eyes play tricks on us when we look at a blue screen, and we can see our own blood cells moving around like little lights! But there was another thing I liked better. I stood in front of a white light, and it cast different shadows of me in every color of the rainbow!? Bill: Oh, I wish I had been there. Tell me more!? Judy: Well, they had another area for sound. They had a giant piano keyboard that you could use your feet to play. But then, instead of playing the sounds of a piano, it played the voices of classical singers! Then they had a giant dish, and when you spoke into it, it reflected the sound back and made it louder. You could use it to speak in a whisper to someone 17 meters away.? Bill: It all sounds so cool. I wish I could have gone with you? Judy: I know, but we can go together this weekend. I'd love to go there again!? Bill: That sounds like a great idea!
The grammar of this unit is designed to review noun clauses. Sentences that use nouns in a sentence are called noun clauses. Nominal clauses can act as subject, object, predicate, appositive and other components in compound sentences. According to the above-mentioned different grammatical functions, nominal clauses are divided into subject clause, object clause, predicate clause and appositive clause. In this unit, we will review the three kinds of nominal clauses. Appositive clauses are not required to be mastered in the optional compulsory stage, so they are not involved.1. Guide the students to judge the compound sentences and determine the composition of the clauses in the sentence.2. Instruct students to try to learn grammar by generalizing grammar rules, controlling written practice, and semi-open oral output.3. Inspire the students to systematize the function and usage of noun clause1.Instruct students to try to learn grammar by generalizing grammar rules, controlling written practice, and semi-open oral output.2.Inspire the students to systematize the function and usage of noun clauseStep1: The teacher ask studetns to find out more nominal clauses from the reading passage and udnerline the nominal clauses.
The newspaper reported more than 100 people had been killed in the thunderstorm.報(bào)紙報(bào)道說(shuō)有一百多人在暴風(fēng)雨中喪生。(2)before、when、by the time、until、after、once等引導(dǎo)的時(shí)間狀語(yǔ)從句的謂語(yǔ)是一般過(guò)去時(shí),以及by、before后面接過(guò)去的時(shí)間時(shí),主句動(dòng)作發(fā)生在從句的動(dòng)作或過(guò)去的時(shí)間之前且表示被動(dòng)時(shí),要用過(guò)去完成時(shí)的被動(dòng)語(yǔ)態(tài)。By the time my brother was 10, he had been sent to Italy.我弟弟10歲前就已經(jīng)被送到意大利了。Tons of rice had been produced by the end of last month. 到上月底已生產(chǎn)了好幾噸大米。(3) It was the first/second/last ... time that ...句中that引導(dǎo)的定語(yǔ)從句中,主語(yǔ)與謂語(yǔ)構(gòu)成被動(dòng)關(guān)系時(shí),要用過(guò)去完成時(shí)的被動(dòng)語(yǔ)態(tài)。It was the first time that I had seen the night fact to face in one and a half years. 這是我一年半以來(lái)第一次親眼目睹夜晚的景色。(4)在虛擬語(yǔ)氣中,條件句表示與過(guò)去事實(shí)相反,且主語(yǔ)與謂語(yǔ)構(gòu)成被動(dòng)關(guān)系時(shí),要用過(guò)去完成時(shí)的被動(dòng)語(yǔ)態(tài)。If I had been instructed by him earlier, I would have finished the task.如果我早一點(diǎn)得到他的指示,我早就完成這項(xiàng)任務(wù)了。If I had hurried, I wouldn't have missed the train.如果我快點(diǎn)的話,我就不會(huì)誤了火車(chē)。If you had been at the party, you would have met him. 如果你去了晚會(huì),你就會(huì)見(jiàn)到他的。
The discourse explores the link between food and culture from a foreign’s perspective and it records some authentic Chinese food and illustrates the cultural meaning, gerography features and historic tradition that the food reflects. It is aimed to lead students to understand and think about the connection between food and culture. While teaching, the teacher should instruct students to find out the writing order and the writer’s experieces and feelings towards Chinese food and culture.1.Guide the students to read the text, sort out the information and dig out the topic.2.Understand the cultural connotation, regional characteristics and historical tradition of Chinese cuisine3.Understand and explore the relationship between food and people's personality4.Guide the students to use the cohesive words in the text5.Lead students to accurately grasp the real meaning of the information and improve the overall understanding ability by understanding the implied meaning behind the text.1. Enable the Ss to understand the structure and the writing style of the passage well.2. Lead the Ss to understand and think further about the connection between food and geography and local character traits.Step1: Prediction before reading. Before you read, look at the title, and the picture. What do you think this article is about?keys:It is about various culture and cuisine about a place or some countries.
You have no excuse for not going.你沒(méi)有理由不去。He was punished for not having finished his homework.他因未完成作業(yè)而受到懲罰。2.動(dòng)詞ing形式復(fù)合結(jié)構(gòu)由物主代詞或人稱(chēng)代詞賓格、名詞所有格或普通格加動(dòng)詞ing,即“sb./sb.'s+doing”構(gòu)成。動(dòng)詞ing形式的復(fù)合結(jié)構(gòu)實(shí)際上是給動(dòng)詞ing形式加了一個(gè)邏輯主語(yǔ)。動(dòng)詞ing形式的復(fù)合結(jié)構(gòu)有四種形式:①形容詞性物主代詞+動(dòng)詞ing②名詞所有格+動(dòng)詞ing③代詞賓格+動(dòng)詞ing④名詞+動(dòng)詞ingHer coming to help encouraged all of us.她來(lái)幫忙鼓舞了我們所有人。The baby was made awake by the door suddenly shutting.這個(gè)嬰兒被突然的關(guān)門(mén)聲吵醒了。Can you imagine him/Jack cooking at home?你能想象他/杰克在家做飯的樣子嗎?無(wú)生命名詞無(wú)論是作主語(yǔ)還是作賓語(yǔ)都不能用第②種形式。Tom's winning first prize last year impressed me a lot.湯姆去年得了一等獎(jiǎng)使我印象深刻。Do you mind my/me/Jack's/Jack leaving now?你介意我/杰克現(xiàn)在離開(kāi)嗎?Excuse me for my not coming on time.很抱歉我沒(méi)能按時(shí)來(lái)。His father's being ill made him worried.他父親病了,他很擔(dān)心。We are looking forward to the singer's/the singer to give us a concert.我們盼望著這位歌手來(lái)給我們舉辦一場(chǎng)演唱會(huì)。
同時(shí)各功能室建立規(guī)范的使用記錄、活動(dòng)記錄、損壞維修、報(bào)損等記錄,實(shí)驗(yàn)室有實(shí)驗(yàn)教學(xué)計(jì)劃、實(shí)驗(yàn)進(jìn)度安排及分組(演示)實(shí)驗(yàn)通知單,分組實(shí)驗(yàn)報(bào)告單,圖書(shū)室有借閱和閱覽記錄等原始記錄。8.規(guī)范學(xué)籍管理嚴(yán)格按上級(jí)文件要求進(jìn)行學(xué)籍管理,特別是省外學(xué)生的轉(zhuǎn)入轉(zhuǎn)出,規(guī)范學(xué)籍轉(zhuǎn)入、轉(zhuǎn)出、休學(xué)、復(fù)學(xué)等工作。另外,學(xué)校作為XX教育集團(tuán)領(lǐng)頭羊,還成功承辦了多項(xiàng)區(qū)級(jí)、教育集團(tuán)活動(dòng),成績(jī)顯著。二、待提升的工作1.校本課程因各類(lèi)特殊原因,本學(xué)期校本課程尚未開(kāi)足開(kāi)齊,部分外聘教師的課程教學(xué)效果有待提高,下學(xué)期將提前謀劃,精準(zhǔn)落實(shí)。2.教師發(fā)展年輕教師教科研的積極性不高,有待挖掘。如少數(shù)年輕教師在參加智慧課堂教學(xué)比賽校級(jí)遴選時(shí),態(tài)度消極,準(zhǔn)備不足。三、下一步工作方向進(jìn)一步完善學(xué)校教科研制度,激發(fā)教師參與教育科研的積極性;同時(shí)探索常態(tài)教學(xué)檢查規(guī)范化、制度化,量化檢查結(jié)果。
開(kāi)學(xué)初,為充分發(fā)揮各功能室的作用,音樂(lè)、美術(shù)、科學(xué)、物理、化學(xué)教研組擬定各功能室的使用安排,教務(wù)處不定期抽查功能室使用情況。同時(shí)各功能室建立規(guī)范的使用記錄、活動(dòng)記錄、損壞維修、報(bào)損等記錄,實(shí)驗(yàn)室有實(shí)驗(yàn)教學(xué)計(jì)劃、實(shí)驗(yàn)進(jìn)度安排及分組(演示)實(shí)驗(yàn)通知單,分組實(shí)驗(yàn)報(bào)告單,圖書(shū)室有借閱和閱覽記錄等原始記錄。8.規(guī)范學(xué)籍管理嚴(yán)格按上級(jí)文件要求進(jìn)行學(xué)籍管理,特別是省外學(xué)生的轉(zhuǎn)入轉(zhuǎn)出,規(guī)范學(xué)籍轉(zhuǎn)入、轉(zhuǎn)出、休學(xué)、復(fù)學(xué)等工作。另外,學(xué)校作為XX教育集團(tuán)領(lǐng)頭羊,還成功承辦了多項(xiàng)區(qū)級(jí)、教育集團(tuán)活動(dòng),成績(jī)顯著。二、待提升的工作1.校本課程因各類(lèi)特殊原因,本學(xué)期校本課程尚未開(kāi)足開(kāi)齊,部分外聘教師的課程教學(xué)效果有待提高,下學(xué)期將提前謀劃,精準(zhǔn)落實(shí)。
作為一一名任課教師,我們或許都有過(guò)這樣的體驗(yàn),每當(dāng)上完一節(jié)好課,會(huì)讓你有意猶未盡之感,全身都會(huì)感到舒爽之至。而往往公開(kāi)課更容易達(dá)到這樣的境界。想想為什么,一個(gè)很重要的原因就是我們無(wú)形中做到了“懂”、“透”、“化”?! 】傊?,我們?cè)谔幚斫滩纳险嬲龅健岸?、“透”、“化”,真正做到“鉆進(jìn)去,走出來(lái)”,就會(huì)達(dá)到創(chuàng)設(shè)教材研究的理想境界。
一、教學(xué)重難點(diǎn)有效引導(dǎo)學(xué)生反思本人和父母的情感,回想父母對(duì)本人的付出,表達(dá)對(duì)父母的愛(ài),養(yǎng)成感恩父母、好好學(xué)習(xí)的氛圍。二、教學(xué)流程 (1)導(dǎo)入:1.黑板板書(shū):父母愛(ài) 愛(ài)父母2.導(dǎo)語(yǔ):同學(xué)們,今天是新學(xué)期開(kāi)學(xué)的第一天。在父母的關(guān)心下,我們一天天地茁壯生長(zhǎng),今天終于成長(zhǎng)為一名四年級(jí)小學(xué)生了。今天的課,就以“父母愛(ài)愛(ài)父母”為主題,開(kāi)展我們的課堂。
內(nèi)容:分式方程的解法及應(yīng)用——初三中考數(shù)學(xué)第一輪復(fù)習(xí)學(xué)習(xí)目標(biāo):1、熟練利用去分母化分式方程為整式方程2、熟練利用分式方程的解法解決含參數(shù)的分式方程的問(wèn)題重點(diǎn):分式方程的解法(尤其要理解“驗(yàn)”的重要性)難點(diǎn):含參數(shù)的分式方程問(wèn)題預(yù)習(xí)內(nèi)容:1、觀看《分式方程的解法》《含參數(shù)分式方程增根問(wèn)題》《解含參分式方程》視頻2、完成預(yù)習(xí)檢測(cè)
1、態(tài)度與價(jià)值觀:通過(guò)學(xué)習(xí)交流、合作、討論的方式,積極探索,改進(jìn)學(xué)生的學(xué)習(xí)方式,提高學(xué)習(xí)質(zhì)量,逐步形成正確地勞動(dòng)技術(shù)價(jià)值觀?! ?、知識(shí)與技能:主要內(nèi)容包括“金屬材料與加工”“服裝裁剪與縫制”“家用電冰箱”共三章,各章都力圖講清知識(shí)的來(lái)龍去脈,將基礎(chǔ)知識(shí)和怎樣操作呈現(xiàn)給同學(xué)們。
但我校網(wǎng)絡(luò)學(xué)習(xí)在體現(xiàn)共性特征的同時(shí),也彰顯著學(xué)科特性,在教研組的統(tǒng)籌規(guī)劃下,各學(xué)科教學(xué)工作扎實(shí)有效。語(yǔ)文學(xué)科堅(jiān)持落實(shí)語(yǔ)文核心素養(yǎng),針對(duì)不同年級(jí)學(xué)生及當(dāng)前考綱要求,對(duì)學(xué)生提出針對(duì)性的指導(dǎo)方法,例如高三年級(jí)結(jié)合當(dāng)前考試要求,強(qiáng)化學(xué)生對(duì)時(shí)事新聞的解讀能力,非畢業(yè)年級(jí)強(qiáng)化學(xué)生的日常學(xué)習(xí)積累能力。數(shù)學(xué)學(xué)科根據(jù)不同學(xué)生的實(shí)際情況,有針對(duì)性的提出作業(yè)訓(xùn)練,同時(shí)通過(guò)抽查等方式,落實(shí)對(duì)學(xué)生的訓(xùn)練成效。英語(yǔ)學(xué)科強(qiáng)化對(duì)不同考點(diǎn)的專(zhuān)題訓(xùn)練,有計(jì)劃的開(kāi)展對(duì)聽(tīng)力、閱讀理解、完形填空等題型的專(zhuān)項(xiàng)訓(xùn)練,重在積累。綜合學(xué)科加強(qiáng)合作,強(qiáng)化素材整理及綜合訓(xùn)練,將時(shí)間進(jìn)行有機(jī)協(xié)調(diào),落實(shí)綜合學(xué)習(xí)成效。
但我校網(wǎng)絡(luò)學(xué)習(xí)在體現(xiàn)共性特征的同時(shí),也彰顯著學(xué)科特性,在教研組的統(tǒng)籌規(guī)劃下,各學(xué)科教學(xué)工作扎實(shí)有效。語(yǔ)文學(xué)科堅(jiān)持落實(shí)語(yǔ)文核心素養(yǎng),針對(duì)不同年級(jí)學(xué)生及當(dāng)前考綱要求,對(duì)學(xué)生提出針對(duì)性的指導(dǎo)方法,例如高三年級(jí)結(jié)合當(dāng)前考試要求,強(qiáng)化學(xué)生對(duì)時(shí)事新聞的解讀能力,非畢業(yè)年級(jí)強(qiáng)化學(xué)生的日常學(xué)習(xí)積累能力。數(shù)學(xué)學(xué)科根據(jù)不同學(xué)生的實(shí)際情況,有針對(duì)性的提出作業(yè)訓(xùn)練,同時(shí)通過(guò)抽查等方式,落實(shí)對(duì)學(xué)生的訓(xùn)練成效。英語(yǔ)學(xué)科強(qiáng)化對(duì)不同考點(diǎn)的專(zhuān)題訓(xùn)練,有計(jì)劃的開(kāi)展對(duì)聽(tīng)力、閱讀理解、完形填空等題型的專(zhuān)項(xiàng)訓(xùn)練,重在積累。綜合學(xué)科加強(qiáng)合作,強(qiáng)化素材整理及綜合訓(xùn)練,將時(shí)間進(jìn)行有機(jī)協(xié)調(diào),落實(shí)綜合學(xué)習(xí)成效。
1、互逆命題:在兩個(gè)命題中,如果第一個(gè)命題的條件是第二個(gè)命題的 ,而第一個(gè)命題的結(jié)論是第二個(gè)命題的 ,那么這兩個(gè)命題互逆命題,如果把其中一個(gè)命題叫做原命題,那么另一個(gè)命題叫做它的 .2、互逆定理:如果一個(gè)定理的逆命題也是 ,那么這個(gè)逆命題就是原來(lái)定理的逆定理.注意(1):逆命題、互逆命題不一定是真命題,但逆定理、互逆定理,一定是真命題.(2):不是所有的定理都有逆定理.自主學(xué)習(xí)診斷:如圖所示:(1)若∠A= ,則AC∥ED,( ).(2)若∠EDB= ,則AC∥ED,( ).(3)若∠A+ =1800,則AB∥FD,( ).(4)若∠A+ =1800,則AC∥ED,( ).
創(chuàng)設(shè)情境,導(dǎo)入新課:你對(duì)母親知多少師問(wèn)1:我們5月份剛過(guò)了一個(gè)重要的節(jié)日,你知道是什么嗎?----母親節(jié)。師問(wèn)2:那你知道媽媽的生日嗎?(舉手示意),每個(gè)媽媽都知道自己孩子的生日,請(qǐng)不知道的同學(xué)回家了解一下,多關(guān)心一下自己的父母。師問(wèn)3:那你知道媽媽最?lèi)?ài)吃的菜嗎?你可以選擇知道、不知道或者是沒(méi)有愛(ài)吃的(拖動(dòng)白板上相對(duì)應(yīng)的表情符號(hào))。請(qǐng)大家用不同的手勢(shì)表示出來(lái)。我找3名同學(xué)統(tǒng)計(jì)各組的數(shù)據(jù),寫(xiě)在黑板上(隨機(jī)找3名學(xué)生數(shù)人數(shù))。下面我來(lái)隨機(jī)采訪一下:你媽媽最喜歡吃的菜是什么?(教師隨機(jī)采訪,結(jié)合營(yíng)養(yǎng)搭配和感恩教育)
計(jì)算器的面板是由鍵盤(pán)和顯示器組成的。顯示器是用來(lái)顯示輸入的數(shù)據(jù)和計(jì)算結(jié)果的裝置。顯示器因計(jì)算器的種類(lèi)不同而不同,有單行顯示的,也有雙行顯示的。在鍵盤(pán)的每個(gè)鍵上,都標(biāo)明了這個(gè)鍵的功能。我們看鍵盤(pán)上標(biāo)有的鍵,是開(kāi)機(jī)鍵,在開(kāi)始使用計(jì)算器時(shí)先要按一下這個(gè)鍵,以接通電源,計(jì)算器的電源一般用5號(hào)電池或鈕扣電池。再看鍵,是關(guān)機(jī)鍵,停止使用計(jì)算器時(shí)要按一下這個(gè)鍵,來(lái)切斷計(jì)算器的電源,是清除鍵,按一下這個(gè)鍵,計(jì)算器就清除當(dāng)前顯示的數(shù)與符號(hào)。的功能是完成運(yùn)算或執(zhí)行命令。是運(yùn)算鍵,按一下這個(gè)鍵,計(jì)算器就執(zhí)行加法運(yùn)算。
阿倫.科普蘭是美國(guó)現(xiàn)代音樂(lè)的倡導(dǎo)者,1920年創(chuàng)作的《貓和老鼠》是一首音樂(lè)形象鮮明,詼諧有趣的鋼琴演奏曲。樂(lè)曲栩栩如生的表現(xiàn)了貓捉老鼠的情景,不協(xié)和和弦以及多變的節(jié)奏,使作品充滿了現(xiàn)代的氣息。樂(lè)曲由引子、A、B、A、尾聲組成。引子中速貓的主題。貓驕傲的懶洋洋的走向高處,兇險(xiǎn)的目光窺視周?chē)?。第一?lè)段開(kāi)始速度非常快,刻畫(huà)了老鼠的形象。接著貓?jiān)谖葑永锢淠难惨?,老鼠靈巧的跑來(lái)跑去,一場(chǎng)貓捉老鼠的游戲開(kāi)始了。第二樂(lè)段老鼠得意的逃掉了,它,輕快的跑上跑下。遠(yuǎn)處傳來(lái)教堂鐘聲的回響。貓懶洋洋的自我陶醉,老鼠見(jiàn)狀,極其靈巧的故意挑逗貓。第三樂(lè)段貓?jiān)俅螕湎蚶鲜?,這次老鼠終于被貓逮著了。美聲慢板送葬去曲,裝死的老鼠一瘸一拐的拖著殘腿悄悄的溜走了。在這部作品中作曲家運(yùn)用了自己獨(dú)特的“躍進(jìn)式”旋律,緊張不安的活躍節(jié)奏,快速的托卡塔(密集)音型、豐富的和聲運(yùn)用樸實(shí)清晰的色彩和富于廣度和深度的想象力。讓人仿佛看到貓和老鼠追逐、爭(zhēng)斗的情形。
1、書(shū)中還有許多描寫(xiě)旺達(dá)的片段,哪一處給你留下了深刻的印象呢?請(qǐng)同座位互相交流。全班交流。老師也想和大家一起分享一點(diǎn)感受。老師讀第13頁(yè)片段,并談感受。課件出示:孤單,被嘲笑者2、你有過(guò)被人嘲笑的經(jīng)歷嗎?談一談。旺達(dá)是怎樣面對(duì)同學(xué)們的嘲笑?3、轉(zhuǎn)學(xué)之后,十三班的同學(xué)們收到了她爸爸的來(lái)信。誰(shuí)愿意讀讀這封信?圣誕節(jié)來(lái)臨之際,旺達(dá)也寫(xiě)來(lái)一封信。學(xué)生讀。讀完這兩封信,大家肯定感慨萬(wàn)千,一定有很多話想說(shuō)吧?全班交流課件出示:善良 寬容
設(shè)計(jì)意圖:題目1是判斷能否折疊形成立體幾何,本題可以研究學(xué)生對(duì)常見(jiàn)幾何體的把握是否成熟。題目2是考察正方體的展開(kāi)圖,一方面可以研究學(xué)生對(duì)幾何體的把握,另一方面可以引導(dǎo)學(xué)生思考,引出下面要學(xué)習(xí)的內(nèi)容。)學(xué)生預(yù)設(shè)回答:題目一:學(xué)生應(yīng)該很容易的說(shuō)出折疊后形成的立體圖形。題目二:①運(yùn)用動(dòng)手操作的方法,剪出題目中的圖形,折疊后對(duì)題目做出判斷。 ②利用空間觀念,復(fù)原展開(kāi)圖,發(fā)現(xiàn)6的對(duì)面是1,2的對(duì)面是4,5的對(duì)面是3,進(jìn)而做出判斷。教師引導(dǎo)語(yǔ)預(yù)設(shè):① 當(dāng)學(xué)生運(yùn)用動(dòng)手操作的方法,可以讓學(xué)生動(dòng)手實(shí)踐一下,下一步再引導(dǎo)學(xué)生觀察正方體,發(fā)現(xiàn)規(guī)律。② 當(dāng)學(xué)生運(yùn)用空間觀念,教師要放慢語(yǔ)調(diào),和學(xué)生一起想象,鍛煉學(xué)生空間想象能力。
從課程內(nèi)容來(lái)看,本節(jié)課屬于“圖形與幾何”中“圖形的性質(zhì)”部分。依據(jù)課標(biāo)的要求,我從以下四個(gè)方面設(shè)定了課程目標(biāo),分別是:1。知識(shí)技能:(1)掌握判定直角三角形全等的“斜邊、直角邊”定理。(2)已知一直角邊和斜邊,能用尺規(guī)作出直角三角形。2。數(shù)學(xué)思考:(1)經(jīng)歷探索、猜想、證明的過(guò)程,進(jìn)一步體會(huì)證明的必要性,發(fā)展推理能力和有條理的表達(dá)能力。(2)在探究過(guò)程中,滲透由特殊到一般的數(shù)學(xué)思想方法。3。問(wèn)題解決:能利用直角三角形的全等解決有關(guān)問(wèn)題。4。情感態(tài)度:通過(guò)學(xué)習(xí),讓學(xué)生感受數(shù)學(xué)證明的嚴(yán)謹(jǐn)性,發(fā)展勇于質(zhì)疑、嚴(yán)謹(jǐn)求實(shí)的科學(xué)態(tài)度。