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2022英语周报八年级新目标第二期AHW答案

作者:admin 时间:2022年10月15日 阅读:43 评论:0

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第二节One possible versionI heard the footsteps and the light tap on the door. Mylegs trembling and tears streaming down, I hid myself behindBrother Lu. Mom walked in first, hugged him and then looked atme with a weak smile. Her eyes were swollen from crying. Andthen Dad was there. without even shaking hands with BrotherLu, he came straight to me and gathered me up into his strongarmsHolding me close, he whispered, I love you foreverThen he pulled back and looked at me with love and pride. "T'mterribly sorry, Daddy. I love you so much, I said thankfully.I know. Let's go home. " Just then, all my fear was gone. I realizedthat I was still Daddys little girl. And i was convinced that thoughthere would probably be unimaginable difficulties and pains thatlay ahead of me, I could get them over because I had a strong andloving family that would always be there for me

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27D【解析】透闪石的化学式写成氧化物的形式顺序为活泼金属氧化物、较活泼金属氧化物,且遵守原子守恒,应为2CO·5MgO·8SO2·H2(),A正确;透闪石24×5中Mg元素的质量分数=透闪石相对分子质量40100%,Ca元素质量分数透闪石相对分子质量100%,两者比值=(24×5):(40×2)=1.5,B正确;根据Cao-2HCI, Mg()2HCI. 1 mol Caz Mgs Si, O2(OH)2 5足量的盐酸作用,至少需要HCl的物质的量为2×2mol+5×2mol=14mol,C正确;透闪石不是一种新型无机非金属材料,难溶于水,D错误。故选D

2022英语周报八年级新目标第二期AHW答案

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