百师联盟2021中考模拟卷一答案，知嘛答案网已经编辑汇总了百师联盟2021中考模拟卷一答案的各科答案和试卷，更多试卷答案请关注知嘛答案。
12.D【解析】根[文]据反应方程式可知,[章]3 mol No2与水反应,生[来]成2 mol HNO3和1 mol No,每2 mol NO2中的N元素化[自]合价由+4价变为H[知]NO3中的+5价,[嘛]失去2mol电子,[答]当有0.05 mol NO生成时,转移的[案]电子数约为0.1N[网]A,A项错误;1L[文]0.2mol/L的[章]NaOH溶液完全反[来]应后,生成Cl-和[自]ClO共0.2mo[知]l,因为ClO发生[嘛]水解,所以溶液中C[答]l和CO的总数小于[案]0.2NA,B项错[网]误;Al(OH)3[文]胶体粒子中含有多个[章]A(OH)3,则形[来]成的A(OH)3胶[自]体粒子数小于0.1[知]NA,C项错误;H[嘛]2和I2反应生成H[答]I的反应存在平衡:[案]H2+12=2HI[网],反应具有一定限度[文],但反应前后气体分[章]子总数不变,故反应[来]后分子总数依然为2[自]NA,D项正确。
【语篇类型】一记叙[知]文【主题语境】人与[嘛]自我一助人经历【文[答]章大意】本文讲述了[案]作者在芝加哥偶遇一[网]个无家可归的人并施[文]以援手的故事。【核[章]心素养】语篇以作者[来]帮助一个无家可归的[自]人为背景,展示了人[知]性的闪光点和生活中[嘛]的真善美,助力考生[答]树立正确的价值观,[案]体现了文化意识这一[网]核心素养。郾熟词新[文]义1.dow常用义[章]:淋浴文章义:大量[来]给予He showered her with gifts.他送给[自]她许多礼物。2. finance常用[知]义:n.资金;财政[嘛],金融,财务文章义[答]:t.为……提供资[案]金The concerts are financed by the Arts Council.音[网]乐会由艺术协会出资[文]举办词汇积累 flash back(osh.[章])回忆,回想,回顾[来];(尤指电影、书等[自])闪回,倒叙Her[知] thoughts flashed back to their wedding day.她回忆起他[嘛]们婚礼那一天的情景[答]。难句分析1 only had a few dollars left in my wallet,,.[案] but I went tobu连接两个并[网]列句him directly,[文] bent down and handed them to this fellow, talking withhim, touching his hand and wishing him well before I left现在分词短[章]语作伴随状语bef[来]ore引导时间状语[自]从句译文:我的钱包[知]里只剩下几美元了,[嘛]但在我离开前,我径[答]直走到他面前,弯下[案]腰,把钱递給他,并[网]和他交谈,抚摸他的[文]手,祝他一切顺利。[章]4.D【关键能力】[来]考查理解具体信息的[自]能力。【解题思路】[知]根据第二段的" a man sitting on the sidewalk.[嘛].Mymind flashed back and I realized I had seen a homeless person oncebefor[答]e:Me"可知,作者在外出散[案]步时看到了一个无家[网]可归的人,这使他想[文]起了自己无家可归的[章]经历。5.c【关键[来]能力】考查推理判断[自]的能力。【解题思路[知]】根据第三段的" the home I grew up in caught fire in themiddle[嘛] of the night. I can still remember the fire destroyed[答] everythin[案]gwe owned ""our small town community[网]temporary[文] house"可知,作者的家遭遇[章]火灾,大火烧毁了他[来]们的一切使他们无家[自]可归。第二段的" I had seen a homeless person oncebefor[知]e:Me"也是提示。6.D【[嘛]关键能力】考查理解[答]具体信息的能力。【[案]解题思路】根据第四[网]段的" I only had a few dollars left in mywallet,[文] but I went to him directly,[章] bent down and handed them to thisfello[来]w, talking with him, touching his hand and wishing him well beforeI left"可知,作者把身上仅[自]有的几美元都给了那[知]个无家可归的人,且[嘛]和他交谈,安慰了他[答]。7A【关键能力】[案]考查推理判断的能力[网]。【解题思路】根据[文]最后一段的内容可知[章],作者一直并且将继[来]续帮助他人,作者认[自]为即使自己所能做的[知]非常有限,但只要人[嘛]人付出点,世界就会[答]变得更好。结合上文[案]中的“ Thankfull[网]y, our small towncommu[文]nity showered us with love and care""I could remember feelinglo[章]ved even after losing so much"可推知,作者感恩于[来]自己得到的爱与关怀[自],也希望将其传递下[知]去故选A项”关爱使[嘛]世界更美好”。B项[答]”人之初性本善";C项"不尝试,不知晓”;[案]D项"凡事要肯等待"。
