2022英语周报高一课标47期答案

12.(1)分液漏斗、蒸馏烧瓶棕色(2)溶液变蓝;溶液蓝色褪去2Fe2+L2+2Ag=2Fe”+2Ag↓(3)Io(4)(NH4)2Fe(SO4)2溶液;KSCN溶液(或其他合理答案)试管a溶液不变红,试管b溶液变红

四、短文改错Yesterday our club held an English speech contest, whicwhose eme is"Challenge Myself". A largenumber of students attended te. the contest and showed their wonderful performances.On the stagehoughfacing great pressure, the speakers bravely overcame it and challengedthemachieve greatfidencessuccess. What's more, they impressed us deeplyith their nustconfidenceButThrough such A activity, we know a lot more about our students.we have gainedsuch asAndanwasgrowing strongself-confidence and honour.Besides, our clubIS

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