2022-2023学年黑龙江省佳木斯重点中学高二(下)期中英语试卷-普通用卷
2022-2023学年黑龙江省佳木斯重点中学高二(下)期中英语试卷-普通用卷,以下展示关于2022-2023学年黑龙江省佳木斯重点中学高二(下)期中英语试卷-普通用卷的相关内容节选,更多内容请多关注我们
1、2022-2023学年黑龙江省佳木斯重点中学高二(下)期中英语试卷一、阅读理解(本大题共15小题,共30.0分)AIcehouse and ice ticket As early as Pre-Qin Dynasty,people used natural ice to keep food fresh and make cold drinks.The Zhou royal court had a specialized department called "ice administration".They collected natural ice blocks each
2、December to store in the icehouse.During the Qing Dynasty, "ice tickets" were used and they were available only to officials and the rich. Ice container The most commonly used cooling tool is called "Jian",which is a big container filled with ice.It was made of clay in early Chin
3、ese history,and was later made of copper(铜).The "Jian" can be seen as an ancient refrigerator,which can be used to make cold drinks. Hiding food in the well During the Qin and Han dynasties,for common people,the most common way to cool off is by using their wells.Some families put a pot in
15.顶复门寄生虫是一类专性细胞内寄生虫。科学家在珊瑚中发现了一种顶复门寄生虫,它具有三个叶绿素合成相关基因,但是缺乏编码光反应其他蛋白的基因。科学家继续提取了该生物的RNA,逆转录得到cDNA后,统计cDNA中每个序列出现的概率,结果如图所示。注:虚线是平均概率。chl儿L、ch/N是三个叶绿素合成相关基因。下列说法正确的是BA.因为该顶复门寄生虫具有叶绿素合成基因,所以可以进行光合作用B.逆转录过程需要的原料是脱氧核苷酸,碱基互补配对方式是A-T、U-A、G-C、C-GC.珊瑚细胞中含有逆转录酶,所以可以在珊瑚细胞中获得cDNAD.从进化的角度分析,该顶复门寄生虫在以珊瑚为宿主前应寄生在叶肉细胞中
1、2022-2023学年黑龙江省佳木斯重点中学高二(下)期中英语试卷一、阅读理解(本大题共15小题,共30.0分)AIcehouse and ice ticket As early as Pre-Qin Dynasty,people used natural ice to keep food fresh and make cold drinks.The Zhou royal court had a specialized department called "ice administration".They collected natural ice blocks each
2、December to store in the icehouse.During the Qing Dynasty, "ice tickets" were used and they were available only to officials and the rich. Ice container The most commonly used cooling tool is called "Jian",which is a big container filled with ice.It was made of clay in early Chin
3、ese history,and was later made of copper(铜).The "Jian" can be seen as an ancient refrigerator,which can be used to make cold drinks. Hiding food in the well During the Qin and Han dynasties,for common people,the most common way to cool off is by using their wells.Some families put a pot in
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