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北師大初中七年級(jí)數(shù)學(xué)上冊有理數(shù)乘法的運(yùn)算律教案1

  • 湖北省荊州市2019年中考語文真題試題

    湖北省荊州市2019年中考語文真題試題

    那位教師立刻用這束樹枝朝她頸背上狠狠抽打了十幾下。彭斯的眼里沒有涌出一滴眼淚。我目睹著這一場面,不由得升起了一股徒勞無益的怒火,氣得雙手直發(fā)抖,只得停下手中的活兒,可是她那張若有所思的臉上,卻神色如常,沒有一點(diǎn)變化。“倔脾氣的姑娘!”斯凱契德小姐嚷道,“你那邋遢習(xí)慣怎么也改不了啦。把掃帚拿走!”彭斯遵命照辦了。當(dāng)她從藏書室里出來時(shí),我仔細(xì)朝她打量著。她正把自己的手絹放回口袋,瘦削的臉頰上還有一絲淚痕在閃閃發(fā)光。

  • 湖北省宜昌市2019年中考語文真題試題(含解析)

    湖北省宜昌市2019年中考語文真題試題(含解析)

    寫字畫線最根本的一條是力量基本要?jiǎng)?,不能忽輕忽重。古人名之曰“平”,這是筆法的基本規(guī)律,“如錐畫沙”就是對(duì)“平”字最好的形容,只有明白了“平”的道理,然后才能在“平”的基礎(chǔ)上求變化,這就是筆法中的提、頓、輕、重,疾,徐等變化,用筆的變化是無窮的,但無論怎么變化都要力量基本平均。所用力量不能懸殊太大,黃賓虹說幼時(shí)學(xué)書法,開頭寫“大”字只有五個(gè)“點(diǎn)”,就是起落筆太重、行筆太輕,力量懸殊,形成線條的空虛。書家把這叫做“系馬樁”。

  • 湖北省咸寧市2019年中考語文真題試題(含解析)

    湖北省咸寧市2019年中考語文真題試題(含解析)

    微塑料在海洋中的擴(kuò)散性更強(qiáng)。荷蘭科學(xué)家曾研究過太平洋塑料垃圾帶,發(fā)現(xiàn)塑社雖然只占到塑料總質(zhì)量的8%,但是卻占到浮在此區(qū)域塑料面積的94%。微塑料在海洋中無處不在,且具有很大的隱藏性。2017年,我國“蛟龍?zhí)枴陛d人潛水器從大洋深處4500米處帶回的海洋生物,在其體內(nèi)竟也檢出微塑料的成分。微塑料更容易進(jìn)入食物鏈,對(duì)海洋生態(tài)系統(tǒng)造成嚴(yán)重的影響。美國有關(guān)人士曾指出,丟棄在水中的塑料拉圾已危害到逾600種海洋生物,造成鯨魚、海龜、海豚、魚和海鳥等受傷或死亡。

  • 湖北省咸寧市2019年中考語文真題試題

    湖北省咸寧市2019年中考語文真題試題

    那么,微塑料來自何處呢?海洋微塑料既有海源方面的輸入,也有陸源方面的輸入而陸源方面的輸入是海洋中塑料污染的主要來源,主要是人類在生產(chǎn)和生活中丟棄的塑料廢棄物等。除了望料拉圾外,人類常用的洗滌劑、護(hù)膚品及工業(yè)原料等也含有大量微塑料成分,這些微塑料成分隨污水排出,往往會(huì)隨著陸源垃圾輸入到海洋當(dāng)中。

  • 湖北省十堰市2019年中考語文真題試題

    湖北省十堰市2019年中考語文真題試題

    這套說法你一定經(jīng)常聽說,它被不少人奉為養(yǎng)生經(jīng)典。然而,就在2018年11月2日,這套理論終于被“官宣”為偽科學(xué),美國圣地亞哥法庭判羅伯特.歐陽賠償一名癌癥患者1.05億美元,這位羅伯特就是大名鼎鼎的酸堿體質(zhì)理論創(chuàng)始人,他將紅肉、糖、蛋、奶制品、酒精、咖啡等歸類為酸性食物將蔬菜、水果,谷物、魚類等歸類為堿性食物。他不僅寫了四本書來推廣這套理論,還大膽地以這套理論為依據(jù)治療癌癥患者,癌癥患者按照他的要求,放棄化療,采用他獨(dú)創(chuàng)的堿性療法治療,吃堿性食物,注射高達(dá)500美元一針的小蘇打針劑,最終導(dǎo)致癌癥患者病情惡化到四期。

  • 2022年湖北省鄂州市中考英語真題(原卷版)

    2022年湖北省鄂州市中考英語真題(原卷版)

    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.

  • 2022年湖北省荊州市中考英語真題(解析版)

    2022年湖北省荊州市中考英語真題(解析版)

    One night many yearsago, an angry voice woke me up from sleep. It was my drunken (喝醉的) father. Those days, he would always ___11___ home very late. Sometimes, he would also go on to fight with my mom.

  • 2022年湖北省鄂州市中考英語真題(解析版)

    2022年湖北省鄂州市中考英語真題(解析版)

    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.

  • 2022年湖北省荊州市中考英語真題(原卷版)

    2022年湖北省荊州市中考英語真題(原卷版)

    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).

  • 2022年湖北省武漢市中考英語真題(解析版)

    2022年湖北省武漢市中考英語真題(解析版)

    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.

  • 2022年湖北省恩施州中考英語真題(解析版)

    2022年湖北省恩施州中考英語真題(解析版)

    Once, herfather took her to the kitchen. He asked Jane to take a potato, an egg ____11____ two spoons of tea leaves. Jane was ____12____, andasked her father, “Do you want me to cook?”

  • 2022年湖北省宜昌市中考英語試題(解析版)

    2022年湖北省宜昌市中考英語試題(解析版)

    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.

  • 2022年湖北省宜昌市中考英語試題(原卷版)

    2022年湖北省宜昌市中考英語試題(原卷版)

    Why do you need hobbies? A study has found thatpeople are more positive (積極的) when they take part in a relaxing activity. ___36___Scientists also think they might be good for your brain.

  • 2022年湖北省十堰市中考英語真題(解析版)

    2022年湖北省十堰市中考英語真題(解析版)

    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.

  • 2022年湖北省十堰市中考英語真題(原卷版)

    2022年湖北省十堰市中考英語真題(原卷版)

    My arms were shaking and my heart was beating ____19____when I stood at the starting line. ____20____ the endless runway (跑道), I felt like a boatfighting against the wind and rain.

  • 2022年湖北省武漢市中考英語真題(原卷版)

    2022年湖北省武漢市中考英語真題(原卷版)

    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.

  • 2022年湖北省恩施州中考英語真題(原卷版)

    2022年湖北省恩施州中考英語真題(原卷版)

    Once, herfather took her to the kitchen. He asked Jane to take a potato, an egg ____11____two spoons of tea leaves. Jane was ____12____, and asked her father, “Doyou want me to cook?”

  • 2022年廣西北部灣經(jīng)濟(jì)區(qū)中考英語真題(解析版)

    2022年廣西北部灣經(jīng)濟(jì)區(qū)中考英語真題(解析版)

    Ibelieved that I was right and he was wrong, and Tony believed that I was wrongand he was right. Our teacher, a kind and smart lady, decided to teach us alesson. She brought us to the front of the class and placed him on one side ofher desk and me on the other. In the middle of her desk was a large and roundobject. I could clearly see that it was black. The teacher asked us what colorthe object was. “White,” Tony answered. I couldn’t believe he said the objectwas white! “Clearly, it was black!” Another argument started between Tony andme, this time about the color of the object.

  • 2022年廣西北部灣經(jīng)濟(jì)區(qū)中考英語真題(解析版)

    2022年廣西北部灣經(jīng)濟(jì)區(qū)中考英語真題(解析版)

    Ibelieved that I was right and he was wrong, and Tony believed that I was wrongand he was right. Our teacher, a kind and smart lady, decided to teach us alesson. She brought us to the front of the class and placed him on one side ofher desk and me on the other. In the middle of her desk was a large and roundobject. I could clearly see that it was black. The teacher asked us what colorthe object was. “White,” Tony answered. I couldn’t believe he said the objectwas white! “Clearly, it was black!” Another argument started between Tony andme, this time about the color of the object.

  • 2022年廣西北部灣經(jīng)濟(jì)區(qū)中考英語真題(原卷版)

    2022年廣西北部灣經(jīng)濟(jì)區(qū)中考英語真題(原卷版)

    Ibelieved that I was right and he was wrong, and Tony believed that I was wrongand he was right. Our teacher, a kind and smart lady, decided to teach us alesson. She brought us to the front of the class and placed him on one side ofher desk and me on the other. In the middle of her desk was a large and roundobject. I could clearly see that it was black. The teacher asked us what colorthe object was. “White,” Tony answered. I couldn’t believe he said the object waswhite! “Clearly, it was black!” Another argument started between Tony and me,this time about the color of the object.

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