2023-10-31 19:53:01
下列分析错误的是A.位点1突变会使种子对脱落酸的敏感性增高B.位点2突变可以是碱基对发生替换造成的C.可判断位点3突变使XM基因的转录过程提前终止D.位点4突变的植...
2023-11-07 03:52:23
第二节(20分)北京市东城区2022届高三一模考试试卷参考范文:英语参考答案Dear Jim,2022.4How have you been?I'm writing to invite you to join in an exciting...
2023-11-08 00:20:26
第二部分阅读理解(共两节,38分)第一节(共14小题;每小题2分,共28分)阅读下列短文,从每题所给的A、B、C、D四个选项中,选出最佳选项,并在答题卡上将该项...
2023-11-08 13:52:30
某些淋巴细胞)抑制效哭④干细胞在胸腺和骨髓内转安同完成的,这)Topher White spends a lo of time walking in the forest and thinking about how quicklywerelo...
2023-11-08 14:56:28
2021~2022学年核心突破(七)19.What did om s TaA.They went toB.They were all a编审:《当代中学生报》英语研究中心C.They climbed n说明:l.考试范围为译林...
2023-11-08 16:04:27
第31期A3版Keys:(One possible version,客观题除外)完形填空1-5 BDACD6-10 BCCAD11-15 ABADC16-20 BACDB语法填空(一)1.successful2.on3.locallysense4.to confir...
2023-11-09 07:56:35
empatny(PT月~J.Dogs may even show empathy-like behaviors to other dogs.In onewarmy grceted ns parther when they met aoain.recent study,16 pairs of dog...
2023-11-18 09:27:05
ivers,on beaches and in the countryside.Many things we use every day are made ofplastic.Plastic is very cheapdtrongs when it is thrown away it lastslo...
2024-04-20 12:02:15
·化学·和平面三角形,B项错误。NO被还原成参考答案及解析NO2,C项正确。NO十8e十6HO4×1030MaNAg·cm3,C项正确;根据A点的NH3十9OH,34gNH,为2mol,若反应后没有NO2,...
2024-04-20 12:08:27
24(20分)一、(1)次生不能植物细胞培养得到的是细胞群,不是完整的植株(2)消毒脱分化提高培养液中的溶氧量;使细胞与营养物质充分接触,提高营养物质的利用率(答...
2024-04-20 12:36:12
况:小明职参加了一种球类兴趣班,共有CC+CgG=49种方案故小明参加兴趣班的不P(X=50)=P0Y=2)=CX0.22×1-0.2)=0.096,同方案有10+49=59种,L5题可奥∠OF,P=∠RPO=a,则O...
2024-04-20 12:38:14
7我国农历用“鼠、牛、虎、免、龙、蛇、马、羊,猴、鸡、狗、猪”这12种动物按顺序轮流代表各年的生肖年号,今年2024年是龙年,那么从今年起的(13y“+1)年后是()A....
2024-04-20 12:51:17
until I was invited to explore Guizhou province by the China storytellererships Tour.Had someone articulately described how beautiful Guizhou can be i...
2024-04-20 12:56:23
⑦“没看到他进来呀!”老板娘努力回忆着进店的顾客,突然想起来刚刚那个年轻人。“是他!”老板娘恍然大悟。年轻人穿的黑色卫衣正是那个建筑工人前几天从地摊上买的...
2024-04-20 13:00:29
二、非选择题:共5题,共57分。11.(7分)某款智能电动水枪有三种发射模式(散射、直线连续喷射和脉冲式),深受玩家的青睐。某同学想测定后两种模式下水枪的发射...
2024-04-20 13:02:26
回答下列问题:(1)有机物D的结构简式(2)B生成人造羊毛的化学方程式(3)D生成E的反应类型为,有机物E的官能团名称(4)下列有关说法正确是:A.A生成B属于加成反应B.D...
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