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-1-课时跟踪检测(三十)化学平衡常数课时跟踪检测(三十)化学平衡常数化学反应进行的方向化学反应进行的方向1.关于反应H2(g)+12O2(g)===H2O(l),下列说法不正确的是()A.焓变ΔH<0,熵变ΔS<0B.可以把反应设计成原电池,实现能量的转化C.一...
[课时训练课时训练]限时练限时练(八)一、阅读下面的文字,回答问题。传道聂蠡森纪于天不知不觉已年届古稀。头发稀疏了,脚步迟缓了,精气神也散淡了许多,流年似水,曾经壮如牛犊的他说老就老了;儿子不在身边,家里除了老伴儿,就只剩下老两口的影子。...
5.能量量子化课后篇课后篇巩固提升1.对黑体辐射电磁波的波长分布的影响因素是()A.温度B.材料C.表面状况D.以上都正确解析影响黑体辐射电磁波的波长分布的因素是温度,故选项A正确。答案A2.(多选)以下宏观概念中,哪些是“量子化”的()A.物体的带电荷量B.物体的...
5.能量量子化课后篇课后篇巩固提升1.对黑体辐射电磁波的波长分布的影响因素是()A.温度B.材料C.表面状况D.以上都正确解析影响黑体辐射电磁波的波长分布的因素是温度,故选项A正确。答案A2.(多选)以下宏观概念中,哪些是“量子化”的()A.物体的带电荷量B.物体的...
-1-Unit1LaughoutloudUnit1Laughoutloud[观察例句]1.Iwalkthroughthedoorsintothewaitingarea,wherethere'safamiliaratmosphereofboredomandtension.2.Peoplesituncomfortablyonplasticchairs,lookingthr...
-1-Unit6NurturingnatureUnit6Nurturingnature现在完成进行时[观察例句]1.ThetrainhasbeenracingalongsteadilysinceitleftXining.2.Allthistime,thesong“SkyRailway”hasbeenplayinginsidemyhead.3.Wildanimalssu...
-1-Unit5RevealingnatureUnit5Revealingnature过去完成时[观察例句]1.What'smore,hehadrecentlyreceivedaletterfromhisfatherpredictingthat...2.AfterDarwinhadspentsometimeinSouthAmerica,hisroomontheship...
-1-Unit4MeetingthemuseUnit4Meetingthemuse非谓语动词作表语[观察例句]1.Everyartist'swishistocreatesomethingthatexpressesanidea.2.Onewayforhimtofindinspirationisturningtohischildren'stoys.3.YangLiping...
-1-Unit3Faster,higher,strongerUnit3Faster,higher,strongerv.ing形式作主语[观察例句]1.Knowingwheretheballwouldgowasn'teasy.2.Shootingwithgreataccuracywasanotherthinghelearnt.3.Inthisway,practisin...
-1-Unit2OnwardsandupwardsUnit2Onwardsandupwardsv.ing和不定式作宾语[观察例句]1.Youmayhavespentyearsgivingupyourweekendsandfreetimetowriteyourlife'swork...2.Rowlinghadspentyearssurvivingonlittlemon...