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揭阳市2021一2022学年度高中二年级教学质量测试参考答案及评分标准历史一、选择题:本题共16小题,每小题3分,共48分。题号1267答案BDBCDCA题号9101113141516答...
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习全国®0所名接单元测试示范卷教学札记4.下图表示DNA分子结构中的一部分,其中连接碱基A与T的是A.肽键B.氢键四C.僯酯键D.醚键解析:DNA为双螺旋结构,两条链上的...
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那么灵活,故A正确。答案选择A。12.观察图中信息,结合所学知识,过街天桥布局应考虑人流量等,图中显示,甲处只有一个社区,且有立交桥,人流量不是很大,不适...
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一M(4)D有多种同分异构体,其中与D具有完全相同的官能团的同分20.(14分)异构体还有种,写出核磁共振氢谱中只有3组峰的同910天然产物全合成是现代有机化学的重要...
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应T细胞和记忆细胞.因此特异性T细胞的活化需要新冠病毒的抗原参与,C正确:抗体产生于体液免疫过程中,故新冠病毒S蛋白激发产生特异性抗体属于体液免疫,D正确。...
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水,易溶于有机溶剂的原理;叶绿素a和叶绿素b主要解能力;考查生命观念、科学思维等核心素养吸收蓝紫光和红光,胡萝卜素和叶黄素主要吸收蓝紫【全能解析DNA复制...
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19.请在文中横线处补写恰当的语句,使整段文字语意完整,内容贴切,逻辑严密。每处不超过17个字。(6分)答:20.食堂是泛指经营和管理公共伙食的机构,请根据该词...
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16.有人认为,“残”字只出现两次,但满篇皆有“残”意,“残”意又尽显作者情思,请结合内容简要分析。(6分)(三)名篇名句默写(本题共1小题,6分)17.补写出下列句子...
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<p>1、2024届北京专家信息卷 高三年级月考卷(1)化学答案</p><br><p>答案和解析1.【答案】B【解析】解:A.H只含共价键,NH,含有离子键和共价键、配位键,所以二者...
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aN公长5【命题立意】本超以“中国人权事业发晨”为背景材料,考查“人民民主”知识,考查考生获取和解读,调动和运18.B【答案解析1中国人权事业发展,尊重和保障了人...
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导入植物细胞常用农杆菌转化法,即通过农杆菌将ATI基因导入愈伤组织。【小问2详解】由于重组质粒上含有潮霉素抗性基因,所以应在培养基中添加潮霉素来初步筛选转...
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sster and I started riding our bikes to school. It' s hard work but good exercise!Recently, Dad and a few of the people in his company have also 64.to...
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sster and I started riding our bikes to school. It' s hard work but good exercise!Recently, Dad and a few of the people in his company have also 64.to...
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sster and I started riding our bikes to school. It' s hard work but good exercise!Recently, Dad and a few of the people in his company have also 64.to...
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sster and I started riding our bikes to school. It' s hard work but good exercise!Recently, Dad and a few of the people in his company have also 64.to...
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sster and I started riding our bikes to school. It' s hard work but good exercise!Recently, Dad and a few of the people in his company have also 64.to...
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