河南省2023-2024学年度九年级上学期期中综合评估【2LR】生物试卷答案
2.RNA结合蛋白(RBP)是一类在RNA调控过程中与RNA结合的蛋白质的总称。RBP与RNA结合形成的核糖核蛋白复合物能在RNA生命活动中发挥作用。下列说法正确的是A.细胞中...
2.RNA结合蛋白(RBP)是一类在RNA调控过程中与RNA结合的蛋白质的总称。RBP与RNA结合形成的核糖核蛋白复合物能在RNA生命活动中发挥作用。下列说法正确的是A.细胞中...
(1分)解得v=20设粒子进磁场I时,速度方向与x轴正方向夹角为0,vcos0=o(1分)解得0=60°设粒子在磁场Ⅱ中做圆周运动的半径为r1,根据几何关系可知,2r1sin0=2L(1分)解...
高一质量监测联合调考生物参考答案1.D2.C3.B4.C5.D6.A7.D8.B9.C10.B11.A12.B13.C14.D15.B16.CD17.AB18.AD19.C20.ACD21.(1)细胞进行不均等分裂(2分)染色体数目会...
…1分v 3gB粒子从S1到打在收集板D上经历的最短时间为1=t++=3W3+π)m…1分3gB15.(17分)【详解】(1)设B滑到A的底端时速度为o,根据机械能守恒定律得mgR=一m6…2分2小球...
2023年秋季学期高一入学检测卷7.蛋白质、糖类、脂肪三类营养物质对人体具有的共同作用是①作为构成细胞的重要材料②为生命活动提供能量③调节人体生命活动④储备能量...
一、选择题:本题共6小题,每小题8分,共48分.1.已知圆锥SO的体积为4π,底面半径为2,则高为A.1B.2C.3D.4
9.《养兰者说》与《种树郭橐驼传》在人物观点、行文特点、行文思路 方面有相似之处,请谈谈你的理解。(6分) 答:
M:So sorry.I must have confused the orders.I'll check it.W:And also this soup is cold.M:I'm sorry.I'll bring you a hot one right away.W:No.I don't wan...
l5.B。to be fluent in sign language and also teach her kids about it是Kelsey对未来的愿景,四个选项中只有desires符合语境。【词汇链接】1.touch:n.(细节上...
【分析】(1)解出集合A,B,利用集合的运算法则进行运算即可:(2)根据题中条件得BA,讨论集合B,列出不等式,解出即可.【详解】(1)集合4=f-4r-5≥0以xx≤-1或x35列当a=1...
One possible version:三Seeing my depressed look,she added,"But maybeyou could come and be with me."She wheeled me写作out to the nurses'station.I watch...
They found that these cheetahs just ran at less than 40 miles per hour,slightly lower than the top speed for the greyhounds be cause they have less mo...
of London.One of the largest churches in the world,its dome (管J顶)is incredible366 feet high. ◆Tower of London The history of "The Tower"has been clo...
21.What can be known about the ancient aquaculture system? A.It is about 25 meters long. B.The fire damaged parts of it. C.It was important to the loc...
American children are still eating lots of fast food,and de- spite restaurants'promises of healthy options,most kids are sticking with fries over sala...
<p>1、河南省九年级2023-2024学年度综合素养评估(二)【R-PGZX C HEN】生物试卷答案</p><br><p><p>1、河南省九年级2023-2024学年度综合素养评估(二)【R-PGZX...
farm too.Their house is blue.Behind their house is an apple tree.It's big.Do you like mygrandparents'farm?参考答案I.1-5 CBABCIⅡ.6-10 ACBAB。III.11-15...