实验铁钉锈蚀条件的探究1【实验器材】大试管、胶塞、经煮沸迅速冷却的蒸馏水、植物油、洁净无锈的铁钉、棉花和干燥剂氯化钙等。【实验步骤】1.在实验1的试管中加入少量的蒸馏水,使铁钉的一半浸没在水中;2.在实验2的试管中注入迅速冷却的煮沸过的蒸馏水浸没铁钉,然后在蒸馏水的上方放一层植物油;3.在实验3的试管中先放入铁钉,然后在试管中放入一团棉花,最后把少量干燥剂放在棉花上,并塞紧橡皮塞。2【实验现象】约一周后,观察到实...
SectionA(1a-2d)Unit5Whydoyoulikepandas?1Doyoulikepandas?Watchthefollowingvideo.2Lead-inDoyouknowtheseanimals?lionelephanttiger3giraffepandakoala4ReadandlearnWordsandexpressions5tigerpandaelephent6giraffelion7koalacat8AustraliaAfricasouth9legsleepkind10cutelazyscary11beautifulclever12课文展现13Matchthewordswiththeanimalsinthepicture.1.tiger___2.elephant___3.koala___4.panda____5.lion____6.giraffe...
九年级历史下册(RJ•安徽)第一单元苏联社会主义道路的探索第2课对社会主义道路的探索12345678910111213141516
SectionA(1a-2d)Unit7Itsraining.1sunweather:sunnyLead-in2stormweather:stormy3cloudweather:cloudy4windweather:windy5rainweather:rainy/raining6snowweather:snowy/snowing7ReadandlearnWordsandexpressions8windy多风的cloudy多云的Newwords9snowy/snowingsunny晴朗的rainy/raining10句型展示—How’stheweather?/What’stheweatherlike?—It’s11Let’stalkaboutweather.Doyouknowhowtoaskaboutweather?How’stheweather...
九年级历史下册(RJ•安徽)第二单元小结123456789
原文精解第9篇马说11.解释下列下划线词在文中的意思。(1)然后有千里马然:___________[F](2)祇辱于奴隶人之手祇:_____辱:_______[F](3)骈死于槽枥之间骈:_________骈死:__________(4)不以千里称也以:______称:______(5)一食或尽粟一石一食:_______(2011考)或:_____[F]知识盘点这样,如此只是受屈辱两马并驾并列而死凭借著称吃一顿有时2(6)食马者不知其能千里而食也食:____________(7)是马也,虽...
SectionA(1a-2d)Unit10Idlikesomenoodles.12Lead-in3Noodlehouse/NoodlerestaurantSpecials(特色菜)manykindsofnoodles4Special1Special2Special4Special35Whatkindofnoodlesdotheyhave?Specials(特色菜)6beefbeefandtomatonoodlestomatoes7cabbagechickenchickenandcabbagenoodles8muttonpotatoesmuttonandpotatonoodles9muttonn.羊肉noodlen.面条cabbagen.卷心菜;洋白菜beefn.牛肉potaton.土豆10句型展示—Whatwouldyou?—I...
第3篇生于忧患,死于安乐原文精解1知识盘点1.解释下列下划线词在文中的意思。(1)舜发于畎亩之中(2)管夷吾举于士(3)百里奚举于市(4)故天将降大任于是人也(5)必先苦其心志(6)劳其筋骨(7)饿其体肤发:____________士:____举:_____________(2015考)市:_____任:___________是:__________[F]苦:______________[F]其:_______[F](2015考)起,指被任用狱官被选拔,被任用责任,使命集市这,这样使感到痛苦他...