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(13分)铁和铁的化合物在工业生产和日常生活中都有广泛的用途。(1)在定向爆破中,常利用氧化铁与铝反应放出的热量来切割钢筋,该反应的化学方程式为__。(2)已知:2Fe2O3(s)
化学
-1 C(s)+O 2 (g
新概念英语第三册第3课的课后练习第六题:They found __ that the goddess turned out to be …(ll.14-15) a.surprisingly b.with surprise c.to their surprise d.a
英语
surprise 请问一下t
Hainan is a very large island.It's the second __island in Chian.A.large B.larger C.largest D.the large顺求翻译
英语
Come and __your clothes at Mr Cool's Clothes Stor.·填空,,
英语
英语在改写后的句子中填入适当的词,使其与原句意思相同或(920:14:5)Neil′s pian isn′t the same as Amy′ s Neil′s plan _
英语
帮忙教一下我英语动词填空fillintheblank(s)ineachsentencewithanappropriatephrasalverborcollocationtakenfromthetext.1.They__thetruespiritofsportsmans
英语
rue spirit of
一均匀密绕的细螺绕环,其平均半径为R,环的横截面积为S,总匝数为N,管内充满磁导率为p的磁介质,此螺绕环的自感系数L=__
物理
句型转换.MybirthdayisJulyninth.(对划线部分提问)__yourbirthdayI'mfourteen.areyouWehaveaSchoolDayeachyear.youaSchoolDayeachyearHowoldareyouWhat's?J
英语
a School Day
she's trying _an elephant there .Adraw B to draw C to drawing D draws
其他
My watch doesn't work.I don't know what's _it?A.about wrong B.the matter C.matter with D.wrong wit
英语
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