杭州中考模拟试卷
2024年杭州市拱墅区初中学业水平模拟考试中考一模科学试卷(含答案)

2024年初中学业水平模拟考试科学考生须知:1.本试卷满分为160分,考试时间为120分钟。
2.答题前,在答题卡上写姓名和准考证号。
3.必须在答题卡的对应位置上答题,写在其他地方无效。
答题方式详见答题卡上的说明。
4.考试结束后,试题卷和答题卡一并上交。
(可能用到的相对原子质量:H-1 O-16 P-31 S-32 Cl-35.5 Ca-40 Fe-56 Zn-65 Ba-137)试题卷一、选择题(每小题3分,共45分,每小题只有一个选项符合题意) 1.我国科学家在嫦娥五号月壤中发现了新矿物“嫦娥石”[(Ca 8Y)Fe(PO 4)7]、获得了未来聚变能源资源——He-3的含量和提取参数,为我国月球资源评价和开发提供了基础科学数据。
下列分析正确的是A .PO 43-中P 的化合价为+5价B .嫦娥石中钙、磷元素的质量比是8:7C .He-3的原子核内有3个质子D .He-3和H-3互为同位素原子2.小乐依据体积大小,将氢原子、肌细胞、太阳、月球标注在数轴的甲乙丙丁四处,如图所示。
其中乙处标注的是 A .氢原子 B .肌细胞 C .太阳 D .月球3.假如只有地球自转方向变成与现在相反,下列现象最有可能在杭州出现的是A .太阳西升东落B .没有昼夜现象C .没有昼夜交替现象D .没有四季变化 4.如图所示为在光学显微镜下观察到的洋葱鳞片叶内表皮细胞和人体口腔上皮细胞的视野,下列分析正确的是 A .为了观察到更多的口腔上皮细胞,应选用高倍物镜B .将①所在的细胞移至视野中央,应向右上方移动装片C .①和②是细胞核,能控制细胞与外界进行物质交换D .乙中细胞比甲中细胞少了液泡和叶绿体5.如图所示为“测定反应速度”的实验示意图,关于被试者的反射活动,下列叙述正确的A .感受器是手指的皮肤B .神经中枢位于小脑C .效应器是手指的肌肉D .该反射是非条件反射6.人乳头瘤病毒(HPV )感染是诱发宫颈癌的主要因素,注射HPV 疫苗可降低宫颈癌的发病率。
2022-2023学年浙江省杭州市中考模拟试卷+答案解析

2022-2023学年浙江省杭州市中考试卷一、选择题:本大题共20小题,共80分。
1.2019年8月《Science》杂志报道,科学家合成了一种环状碳分子C,这种分子具有广泛的应用前景。
1个环状碳分子C18中共含有18个()A.原子B.质子C.中子D.电子2.工业上可通过如下反应制取氧化钠:2NaNO3+10Na=6Na2O+N2↑,下列相关说法正确的是()A.反应物NaNO3属于氧化物B.生成物N2的化学性质由氮气分子(N2)保持C.该反应属于复分解反应D.反应前后只有氮元素化合价发生变化3.2020年初以来,世界多地先后暴发了严重的“新冠肺炎”疫情。
下列相关叙述正确的是()A.“新冠肺炎”是一种高致病性的遗传病B.勤洗手对“新冠肺炎”的传染没有预防效果C.研制“新冠肺炎”疫苗的目的是有效切断传播途径D.对确诊病例进行强制医学隔离的目的是控制传染源4.健康人的正常体温调节过程如下:环境温度高于体温→感受器→体温调节中枢→效应器→调节活动X。
下列关于活动X的说明,合理的是()A.皮肤血管收缩B.汗液分泌增加C.浑身肌肉颤抖D.适当增添衣裤5.下列估算最接近实际的是()A.一个中学生受到的重力约为50NB.科学课本中一张纸的厚度约为8nmC.一个成年人双脚站立时对地面的压强约为1000PaD.成年人正常步行速度约为1.3m/s6.用显微镜观察经染色的人体口腔上皮细胞临时装片,观察到的实验现象与原因分析不吻合的一项是()选项实验现象可能的原因A视野中没有细胞未在口腔内壁刮取细胞B视野中无光斑物镜未对准通光孔C视野中有许多黑色圆圈细胞数量太多D视野中的细胞往左移动观察者将装片往右移动A.AB.BC.CD.D7.小金在野外观察到4株植物P、Q、R和S,并设计如图所示的二歧分类检索表来分辨这些植物。
若上述4株植物中有一株植物是桃树,则它是()A.PB.QC.RD.S8.生物体结构与功能相适应的现象是在长期进化过程中形成的。
2024年浙江省杭州市拱墅区中考一模语文试题(解析版)

2024年初中学业水平模拟考试语文考生须知:1.本试卷分试题卷和答题卡两部分,满分120分,考试时间120分钟。
2.答题前,在答题卡上填写学校、姓名、班级和考生考号。
3.必须在答题卡的对应答题位置上答题,写在其他地方无效。
4.考试结束后,试题卷和答题卡一并上交。
一、阅读下面文字,完成主题学习任务。
(23分)1. 根据语境,填写恰当内容。
(1)《古汉语常用字字典》中“择”的本义是“选择,挑选”,《论语·述而》“择其善者而从之,①______“中的“择”就是其义:同“圣”偏旁的字还有“泽”“驿”“峄”“绎”等字,其中本义为“聚水的洼地”的字是“泽”, 本义为“找出头绪, 探究”的字应是“②_______”。
(2)面对人生的种种境遇, 他们的选择铸就了中华文化精神,国家有难,“③______,从此替爷征”是木兰的选择:前路崎岖,想到“④______,⑤_______”的姜尚、伊尹(《行路难》其一),冲破阻力去施展抱负是李白的选择。
当“生”与“义”不能两全时,孟子提出“二者不可得兼,⑥_______”的主张,兵败被俘、拒绝招降的文天祥就是以“人生自古谁无死,⑦______”的人生誓言践行了这样的选择。
(3)人生面临退缩或进取选择时,总有一些古诗句会给予我们坚持的力量,请你写出一联诗句,⑧______,⑨______。
[提示:不与(2)中的诗句重复]【答案】 ①. 其不善者而改之 ②. 绎 ③. 愿为市鞍马 ④. 闲来垂钓碧溪上 ⑤. 忽复乘舟梦日边 ⑥. 舍生而取义者也 ⑦. 留取丹心照汗青 ⑧. 示例:长风破浪会有时 ⑨. 直挂云帆济沧海(其他如“山重水复疑无路,柳暗花明又一村”等积极向上的诗句皆可【解析】【详解】本题考查名句名篇默写。
默写题作答时,一是要透彻理解诗文的内容;二是要认真审题,找出符合题意的诗文句子,三是答题内容要准确,做到不添字、不漏字、不写错字。
注意本题中的易错字:善、绎、愿、鞍、垂、溪、忽、乘。
2023年浙江省杭州市滨江区中考一模语文试题(解析版)

本题考查人物形象分析。
①空:唐僧因悟空又打死拦路强盗,再次把他撵走。悟空恐小猴们嘲笑,便去观音那了。却说六耳猕猴精趁机变作悟空模样,打伤了唐僧,抢走行李关文,又把小妖变作唐僧、八戒、沙僧模样,欲上西天骗取真经。沙僧去求观音菩萨,于是悟空跟沙僧回去验真。谁知真假悟空实在难辨:他们同到观音处,无结果;到玉帝那,照妖镜也不起作用;返回地面,师父难见分晓;到森罗殿,地藏怕惹是非;直到雷音寺如来佛处,佛祖才使假悟空现出原形。悟空气愤不过,欲将其打死,却被佛祖拦下,后来悟空也回到唐僧身边。强盗来抢劫,确实属于犯罪行为,应当受到制裁,但罪不至死,孙悟空却为了保护师傅周全,私设公堂,失手打死了强盗,这就是他的错了,所以感到愧疚、自责,并承诺以后不会再犯。
二、阅读(42分)
(一)文学作品阅读(16分)
云中记(节选)①
阿来
①院子已经被阿巴②开辟成了一个小小的菜园。
②两场夜雨过后,松开的土里,就有新芽出现了。初看上去,像土上起了稀薄的绿色轻烟。细看,是一些纤细的新芽,不是一种,而是好几种植物的新芽。
③不到一个星期,阿巴就发现,那些自己破土而出的新芽全是蔬菜。以前遗漏在院子里的种子,当他把院子里的泥土松开,把一块块石头清理干净后,经过两场夜雨就悄然萌发了。这些蔬菜长得有快有慢,却都一一显现出了它们自己的样子。最先是菠菜,然后是芜荽和胡萝卜,最后显出本身形状的是蔓菁。这是云中村人做酸菜的好材料。阿巴只是摘了些菠菜,凉拌,或者做汤。
峰回路转,你会体验“山重水复疑无路,(5)______”(《游山西村》)的惊喜;登临绝顶,你会感动于“会当凌绝顶,一览众山小”(《(6)______》)的壮丽。当天边乍现彩虹,梦想就会成真!
【答案】①.道阻且长②.拔剑四顾心茫然③.关山度若飞④.沉舟侧畔千帆过⑤.柳暗花明又一村⑥.望岳
2024年浙江省杭州市中考英语模拟试卷(二)(含详细答案解析)

2024年浙江省杭州市中考英语模拟试卷(二)一、完形填空:本大题共15小题,共15分。
Nervously,but for courage,I held the rope of my guide dog Coco a bit tighter when we passed by my neighbour's yard.Walking by Mr.Smith's (1)______ was the best part of our morning walk.And also the (2)______ .The sweet smell of the beautiful roses in Mr.Smith's yard was absolutely the best.The worst,came from Mr.Smith,an ice-cold man."Hello,Mr.Smith."I greeted him as usual,and hedidn't (3)______, as usual.But I knew (4)______ was there,at the door.I could hear him take a few steps back.Without eyesight(视力),my (5)______ were like my"eyes" and even better than them sometimes.I heard him (6)______ the door quickly and everything went silent.I wondered (7)______ Mr.Smith always ignored(忽视) me."Why (8)______ two people who both like roses be friends?" The question circled in my mind for long.Maybe because I'm blind(盲的)?Disabled people sometimes do make people (9)______ .They are different from common people and some even look strange.But I heard him playing chess with Jimmy who's in a wheelchair. Maybe local people dislike foreigners But he and my brother Joe get on well.Maybe because I'm a girl?( 10)______ when my friend Helen greets him,he says hello to her warmly.So Mr.Smith likes Jimmy,Joe and Helen,but not me and Coco!Wait!I (11)______ seemed to understand the reason he didn't talk to me.I just needed to prove(证实) it.I tied Coco to a tree,felt my way and moved slowly.Without Coco leading the way,I was not sure about each step.I heard his gate open."Jenny!Be (12)______ !"Mr.Smith shouted worriedly and the next second,he took me by the arm."Mr.Smith,I didn't think you liked me.Now I guess I've (13)______ the secret—you are afraid of Coco?"I asked him in a low voice."Yeah,Jenny.You know,your Coco is such a...big dog." Mr.Smith laughed,feeling embarrassed(尴尬的)( 14)______ a child being caught."Your fear of Coco may be big,but our (15)______ is BIGGER!I'll help e..."1.A. yard B. study C. kitchen D. bedroom2.A. best B. worst C. easiest D. hardest3.A. move B. notice C. reply D. escape4.A. I B. it C. he D. she5.A. eyes B. ears C. hands D. feet6.A. open B. shut C. repair D. answer7.A. how B. why C. when D. where8.A. can't B. mustn't C. needn't D. won't9.A. excited B. lucky C. angry D. afraid10.A. So B. And C. But D. Because11.A. certainly B. suddenly C. recently D. naturally12.A. honest B. polite C. confident D. careful13.A. paid for B. found out C. made up D. suffered from14.A. like B. for C. except D. with15.A. dream B. happiness C. friendship D. surprise二、补全对话-填空:本大题共1小题,共10分。
浙江省杭州市2024年中考语文模拟试题及答案19

浙江省杭州市2024年中考语文模拟试题及答案(29分)1.回顾课文,根据要求完成表格。
2.根据提示完成表格。
3.诗人汪国真曾写道:“我不去想是否能够成功,既然选择了远方,便只顾风雨兼程。
”请从以下选项中任选一位人物,结合作品内容,谈谈你对这一诗句的理解。
A彭德怀《红星照耀中国》B尼摩船长《海底两万里》C孙少平《平凡的世界》____________________________________________________________________________________________ ____________________________________________________________________________________________ _________________________________________________________________________________________ 4.填入下面文字横线处的词语,最合适的一项是()“行走”的内涵十分丰富:“行走”常常是艰难的,人类不断蜗行摸索,历经450 万年才进化到“直立行走”;“光路具有可逆性”,让我们联想到“行走”有时要学会____:“两点之间线段最短”,启示着我们“行走”时需要认准目标,____。
A.伫立不前趋之若鹜B.迷途知返勇往直前C.小心翼翼一气呵成5.马拉松是一项考验耐力的长跑运动,但近年来不少马拉松比赛出现了一些有趣的现象:参赛者有身着汉服参加的,有一边跑一边拍照的,甚至有带着宠物来的。
有人认为跑步比赛应该严肃认真,也有人认为体育赛事可以是大众的狂欢。
对此,你有何看法?请写一段120字左右的文字,表达你的思考。
____________________________________________________________________________________________ ____________________________________________________________________________________________ _________________________________________________________________________________________(17分)阅读一棵被描写的树东西①它就站在那儿,站在谷里屯风声呼呼的坳口,年龄两百多岁,身材粗壮,要两人张开手臂才能合抱,高一百多米,枝丫撑开像一把巨伞。
浙江省杭州市2024年中考英语模拟试题(含答案)

浙江省杭州市2024年中考英语模拟试题(A、B、C和D)中选出最佳选项。
(共15小题,每小题2分,满分30阅读理解2-Day Essence of Hangzhou TourHangzhou is famous for its natural beauty and historical and cultural places. The ancient saying has it"There is a paradise in the heaven, and down on earth there are Suzhou and Hangzhou".B=Breakfast, L=Lunch, D-=DinnerClick here for more information1.What will tourists most probably do on the second day?A.Pick tea leaves.B.Climb mountains.C.Watch a silk show.D.Go swimming.2.How much will Mr. and Mrs. Black pay for a Four-Diamond tour with their 9-year-old daughter?A.$650.B.$775.C.$930.D.$950.3.Where is the text from?A.A web page.B.A magazine.C.A guide book.D.A novel.阅读理解①Smart transportation is leading to the birth of new apps for smart cities in China. In recent years, technology companies have worked hard to speed up the use of driverless robotaxis and Baidu is one of the pioneers.②In June 2019, Baidu started to test its driverless taxis in certain areas in Changsha. In 2020, its Apollo Go robotaxis, also known as "Luobo Kuaipao" in Chinese, officially began its service in certain areas in Changsha, Cangzhou and Beijing. In March 2022, Beijing allowed Baidu to test fully driverless robotaxis on certain roads, which meant a further step forward. In June 2023, Baidu carried out its driverless taxi service in Shenzhen across an area of 188 km2 from 7 am to 10 pm daily.③Booking a ride on Apollo Go is as simple as a few taps on your phone screen. Passengers just need to tell the app Apollo Go or Baidu Map where they are and where to go. Then, a car will appear. With sensors (传感器) and cameras all over the car, a computer takes full control of the drive. A screen on the back seat shows customers the information of the ride and how the robotaxi "looks" at the space around to see other cars, humans, and anything else that might get in its way.④"The robotaxi goes at about the same speed, providing a good riding experience," a user posted online. By September 2023, the number of orders has reached four million. The user satisfaction rating for the Apollo Go app has reached 4.9 out of 5 and 97.12% of the reviews are five-star ratings. So far, Apollo Go robotaxi service has covered 11 cities and by 2025, it plans to test its robotaxis in other 65 cities.⑤However, safety is the key in the development of driverless robotaxis. In the future, Apollo Go and the other companies should take more time to improve the system in order to provide comfortable and safe rides. 4.What did Baidu work on according to the passage?A.Driverless taxis.B.Robotaxi sensors.C.Safety apps.D.Robotaxi Maps.5.What does Paragraph 2 mainly talk about?A.The risk of Apollo Go.B.The future of Apollo Go.C.The advantages of Apollo Go.D.The development of Apollo Go.6.How dose the writer show the popularity of Apollo Go in Paragraph 4?A.By telling a story.B.By doing experiments.C.By listing numbers.D.By giving examples.7.What can we learn about Apollo Go robotaxis from the passage?A.The robotaxi has caused a lot of traffic problems since it was put into use.B.People in Shenzhen could take a ride even at midnight in June 2023.C.Baidu will test Apollo Go robotaxi service all over the country by 2025.D.Passengers sitting on the back seats can know about their rides from a screen.阅读理解A particular picture especially touched me while reading news article about a tornado (龙卷风) just happened in a village around Florida. In the picture, a young woman with a worried face stood in front of an entirely destroyed mobile home. A small girl, three or four years old, stood at her side, clutching (攥紧) at her skirt and stared into the camera with a pair of eyes full of fear. At the end of the article, a telephone number was offered.This would be a good chance to teach my kid to help those in need. I showed the picture to my six-year-old daughter, Meghan, explaining what happened in the picture. "We have so much. But these poor people now have nothing," I said. "Let's share what we have with them."I brought a large box and placed it on the living room floor. Meghan watched seriously as I filled the boxes with old clothes that we don't want any more. Then she left and soon came back with Lucy, her much-loved doll. She stopped in front of the box for a moment, gave the doll a final kiss, then put it gently on top of the clothes."Oh, Honey," I said. "You don't have to give away Lucy. You love her so much." Meghan nodded seriously, with held-back tears." ▲ ." Megan said.I stared at Meghan for a long moment and didn't know what to say. I suddenly realized that it's easy to give away things that we don't want, but harder to let go off things we value, isn't it? True generosity (慷慨) is a three-year-old girl offering her favorite dol to a little girl she doesn't know because she hopes it will bring this child as much pleasure as it brought her. The true spirit of giving is to give with your heart.I, who had wanted to teach, had been taught.8.What is the right order of the following events?a. My daughter gave away her doll.b. A tornado happened around Florida.c. I saw a picture on the newspaper.d. I filled the box with old clothes.e. I learned a lesson from my daughter.A.bcade B.cbade C.cbdae D.bcdae9.Which of the following can be put into the blank ____▲____?A.Lucy is my favorite doll. I don't want to give it to that girl.B.Lucy makes me happy. It can make that girl happy, too.C.I used to like Lucy, but I don't like it now because it's old.D.I have to give Lucy to her, because I have nothing else to give her.10.How does the mother probably feel about her daughter in the end?A.Worried.B.Excited.C.Sorry.D.Proud.11.What's the best title for the passage?A.A Kind Girl B.A Special DollC.A Valuable Lesson D.A Thankful Mother阅读理解①Most people know about endangered plants and animals. However, not everyone knows that many languages are in danger, too. Recently, there are almost 500 languages that are officially endangered. According to a study, 95% of the world's population only speak 6% of the existing 7,000 languages. This means that only 6% speak all the other languages. Some languages have fewer than a dozen speakers. There are several reasons why languages die out.②A key reason is the influence of the dominant (主导的) languages. Generally, these languages are connected with social background and education. People who move to cities are forced to learn them. In most cases, the children do not learn their native language. In addition, many communities far away from towns and cities give up their languages in order to become an accepted part of the main culture. For example, India has lost 220 of 780 languages in the last 50 years. Once Hindi was regarded as the official language of India, the number of Hindi speakers increased from 260 million to over 420 million.③Another reason is that the people who speak an endangered language may be in physical danger, such as from war or mas killing. Many languages of the native people in the Americas are either lost or endangered for this very reason. Natural disasters and disease can also wipe out all populations. When the village of Papua New Guinea was hit by an earthquake, all the people in it died. The language they spoke, Malol, also disappeared with them.④Languages are part of cultures and show differences. Losing a language means losing a way to pass on culture. The whole world suffers because of the disappearance of cultural and language diversity (多样性). Therefore, efforts need to be made to protect endangered languages before they disappear forever.12.Why does the writer use numbers in Paragraph 1?A.To show that many languages are in great danger.B.To support that there are many languages in the world.C.To prove that languages have changed in different places.D.To introduce how many languages are spoken in the world.13.What does the underlined phrase "wipe out" probably mean?A.Kill.B.Change.C.Hurt.D.Beat.14.Which of the following shows the structure of the passage?A.B.C.D.15.What's your advice on protecting endangered languages? (请用不超过30词回答)5小题,每小题2分,满分10分)阅读下面材料,从方框中所给的A一F六个选项中选择正确的选项(其中一项是多余选项)。
浙江省杭州市2024年中考语文模拟试题及答案15

浙江省杭州市2024年中考语文模拟试题及答案分)1.古人多以赠诗表达情感,毕业临别时你会选择哪首诗赠送给谁?请从初中所学的古诗文中选择合适的诗句(至少连续的两句),参照示例,完成赠诗。
写给同窗写给老师写给父母写给自己【示例】我想把“长风破浪会有时,直挂云帆济沧海”赠送给同窗,祝福他未来乘长风破万里浪,突破前路的阻碍,向着理想不断前行。
2.现代诗语言凝练而跳跃,常与古诗有着遥远的呼应。
诗人昌耀的这首《斯人》与下面哪首古诗词表达的心境最相似?请选出最佳选项,并简要说明理由。
A.满面尘灰烟火色,两鬓苍苍十指黑。
(白居易《卖炭翁》)B.采菊东篱下,悠然见南山。
(陶渊明《饮酒(其五)》)C.念天地之悠悠,独怆然而涕下!(陈子昂《登幽州台歌》)D.无可奈何花落去,似曾相识燕归来。
(晏殊《浣溪沙》)3.将唐诗打破重组,以现代诗的形式呈现可以丰富唐诗的理解。
以下是诗人洛夫改写的《竹里馆》,请你也自主选择一首学过的唐诗,学习示例,创写一首现代诗。
要求:不改变原诗情感,不出现本人姓名,不超过十四行。
竹里馆洛夫独自坐在竹林里当然只有一人一个人真好坐在夜里被月光洗净的琴声里我歌我啸长啸如鹰这是我唯一的竹林唯一的琴唯一的月色唯一的储存在竹节里的空无____________________________________________________________________________________________ ____________________________________________________________________________________________ _________________________________________________________________________________________(42分)阅读散文,回答下面的问题。
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2011年中考模拟试卷科学卷按住ctrl键点击查看更多中考科学资源考生须知:1.本试卷分试题卷和答题卷两部分。
满分为180分,考试时间为120分钟。
2.答题时,必须在答案卷的指定位置内写明校名、姓名和准考证号。
3.所有答案都必须写在答题卷标定的位置上,务必注意试题序号和答题序号相对应。
4.考试结束后,上交试题卷和答题卷。
5.本卷可能用到的相对原子质量C:12 H:1 O:16 Cl:35.5 K:39 Cu:64 Na:23试题卷一、选择题(每小题4分,共24分,每小题只有一个选项符合题意)(改编)1、“2005年1月14日,成功登陆“土卫六”的“惠更斯”号探测器发回了350张照片和大量数据。
分析指出,“土卫六”“酷似地球经常下雨”,这种“雨”的成分是液体甲烷。
下列关于“土卫六”的探测中错误..的是………………………………………………()A.“土卫六”上地表温度与地球表面相近B.“土卫六”上存在有机分予C.“土卫六”地貌的形成可能与液态甲烷冲刷有关D.“土卫六”上存在液态甲烷与气态甲烷的相互转化(原创)2.粗粮含有丰富的不可溶性纤维素,有利于保障消化系统正常运转。
它与可溶性纤维协同工作,可降低血液中低密度胆固醇和甘油三酯的浓度;增加食物在胃里的停留时间,延迟饭后葡萄糖吸收的速度,降低高血压、糖尿病、肥胖症和心脑血管疾病的风险。
超市销售的粗粮饼干富含不溶性纤维素,被广大消费者争相购买,粗粮饼干属于()A.单质 B.化合物 C.混合物 D.纯净物(原创)3、航天员翟志刚成功地进行了太空行走,标志着我国航天事业进入新的历史时期。
航天员专用的小分子团水是显弱碱性的水,具有饮用量少、在人体内储留时间长、排放量少等特点。
下列关于小分子团水的说法中正确的是()A.小分子团水中的水分子之间没有间隙B.常温下该水的pH略大于7C.小分子团水中含有氢分子D.小分子团水中水分子的化学性质发生了变化(原创)4、下列实验操作中,能达到预期目的的是( )A、知20℃时氯化钠的溶解度为36g,在此温度下,将50g氯化钠固体放入50g水中,可配成质量分数为50%的氯化钠溶液B、50mL水和50mL酒精配制成100mL酒精溶液C、PH值为2和3的两种酸溶液按一定比例混合可得PH值为4的溶液D、50g溶质质量分数10%的稀盐酸加热蒸发掉25g水,得到溶质质量分数小于20%的盐酸(改编)5、在下图中,能够合理表示玉米种子萌发时胚乳(—)与胚(…)中有机物含量变化的曲线(横坐标为萌发时间,纵坐标为有机物含量)是:( )(原创)6.你认为下列估测的数据不合理...的是()A.一个中学生站在地上对地面的压强约为104帕B.小明骑自行车上学的速度约为5m/sC.将一个面积为6cm2的吸盘从光滑的玻璃面上拉下来所用的拉力约为60ND.普通家用电冰箱的额定功率约为25瓦二、选择题(每小题3分,共48分,每小题只有一个选项符合题意)(原创)7.3G手机通俗地说是指第三代手机。
它能够利用3G无线通信网络处理图像、音乐、视频流等多种媒体形式,提供包括网页浏览等多种信息服务。
3G网络传输信息是利用()A.微波B.超声波C.红外线D.可见光(原创)8、在向澄清石灰水中吹气时,小明吹一段时间后感到头晕,其原因是()A.呼吸肌运动过于剧烈,使呼吸中枢疲劳B.呼吸肌运动过于剧烈,使呼吸中枢兴奋C.吹气过长,吸气短促,吸入的新鲜空气少,使脑供氧不足D.吹气过长,吸气短促,呼出CO2少,使体内C02增加,抑制呼吸中枢(改编) 9.艾滋病病毒(HIV)最初侵入人体时,HIV会迅速繁殖,人体免疫细胞在受到HIV 攻击时也会迅速增多,并摧毁大多数HIV,但不能将其彻底消灭。
HIV经过一段时间的潜伏繁殖,逐步侵袭人体的免疫系统(即人体抵抗各种外来感染的自然防卫系统),降低并最终破坏人体的免疫功能。
下列表示HIV感染人体后,体液中HIV浓度和免疫细胞浓度的变化过程,其中正确的是()(改编)10. 法国科学家阿尔贝·费尔和德国科学家彼得·格林贝格尔由于发现了巨磁电阻(GMR)效应。
荣获了2007年诺贝尔物理学奖。
如图是研究巨磁电阻特性的原理示意图。
实验发现,当闭合S1、S2后使滑片P向左滑动过程中,指示灯明显变亮,则下列说法不正确...的是( )A.电磁铁右端为S极B.滑片P向右滑动过程中电磁铁的磁性减弱C.巨磁电阻的阻值随磁场的增强而明显增大D.巨磁电阻的阻值随磁场的增强而明显减小(改编)11.随着对环境保护的重视,对农作物害虫可采取综合防治的措施。
为除去可能有害于农作物的某种害虫I而引入捕食蜘蛛后,对这两个种群数量变化进行调查,得出如下图所示的结果。
下列关于此过程的推理中不正确的是()A.在C期间两个种群的数量基本保持不变,这是因为两者之间也存在食物关系B.在A期间,如果在农田中喷洒针对害虫I的农药,蜘蛛数量将增加得更快C.在B期间蜘蛛数量较快减少的原因是该种蜘蛛的食物不足D.害虫I没有危害农作物(原创)12.如图,一个球,先后在盛有不同液体的容器甲、乙、丙和丁中保持静止的情况,如图所示,四个容器中的液面到容器底面的距离一样大,哪个容器底面受到的液体压强最大? ()(A)甲容器 (B)乙容器 (C)丙容器 (D)丁容器(原创)13.在下面A、B、C、D四幅图中,哪一幅图中P点的位置符合下列四个条件:①东半球、②北半球、③低纬度、④在我国境内 ( )(改编)14、火星探索,寻找人类第二家园,美国“凤凰号”火星探测器进入火星大气层向火星北极地区降落.打开降落伞后,竖直下落的“凤凰号”的下降速度在15s内从1450km/h降至400km/h,此过程中,降落伞和探测器受到的火星大气阻力F1和火星引力F2之间的关系是()A.F1>F2 B.F1=F2 C.F1<F2 D.无法判断(原创)15、王超在听讲座时,想把银幕上用投影仪投影的彩色幻灯片图像用照相机拍摄下来。
由于会场比较暗,他使用了闪光灯。
这样拍出来的照片:()A.色彩鲜艳,比不用闪光灯清楚多了B.色彩被“闪”掉了,拍到的仅有黑色的字和线条C.反而看不清投影到银幕上的图像,倒是把银幕上的一些污渍拍了出来D.与不用闪光灯时效果一样,因为拍摄的是银幕上的像,而不是实际的景物(改编)16、某固体样品8克,经分析只含铜和氧两种元素,测得铜元素质量为7克,已知铜的氧化物有CuO和Cu2O 两种,下列说法错误..的是()A.固体样品可能是由Cu和Cu2O组成 B.固体样品可能是由CuO和Cu2O组成C.固体样品可能是Cu和CuO D.固体样品可能是由Cu、CuO和Cu2O组成F(原创)17.如图所示,光滑水平面上的小车在拉力F 的作用下运动,在拉力逐渐减小的过程中,小车的速度将( )A .逐渐减小B .逐渐增大C .保持不变D ..先减小,后增大(改编)18.右图表示接种到一定容积培养液中的酵母菌生长曲线图,曲线中哪段表示由于有限空间资源的限制使种内竞争增加( )A .CD 段(增长速度慢)B .DE 段(速度加快)C .EF 段(变化速率加快)D .FG 段(速度逐渐变慢)(改编)19.传化生态农业科技园区,不仅是农业高新技术示范和推广基地,还是一个观光休闲的生态农业园区。
在一些生产思路上,你认为不妥当的是 ( )A .将农家肥与化肥综合使用,以增产提高效益B .对大棚中的植物施加适量的CO 2,以以促进其光合作用C .种植、养殖、制沼气相结合,既可改善环境又可提高农畜牧业的产量D .将硝酸铵和熟石灰混合使用,在给作物提供营养元素的同时,又能降低土壤的酸性 (原创)20、嫦娥1号探月舱为了保持舱体温度均匀,除装上迅速传导热的“热管”外,还利用液体流动,把接受阳光照射到的热传递到阳光照不到的地方,则下列针对这种液体说法中不正确...的是 ( ) A .这种液体密度不一定大 B .这种液体比热容一定要小C .这种液体透明度不一定高D .这种液体对管道的腐蚀性一定要小(改编)21.某校兴趣小组同学想探究“一段电路中的电流跟电阻的关系”,设计了如下图甲所示的电路图,电源电压为6伏,E 、F 两点间的电阻为4Ω时,电流表示数0.5A ,在此探究实验过程中,当E 、F 两点间的电阻由4Ω更换为5Ω后,为了探究上述问题,你认为应该采取的操作是( )A 、闭合开关,读出电流表的读数B 、闭合开关,将变阻器的滑片适当向左移C 、改变电压表、电流表的量程D 、闭合开关,将变阻器的滑片适当向右移( 原创)22、刚刚结束的全国两会与3月14日胜利闭幕,其中构建和谐社会是今年两会的关键词,建设社会主义新农村的目标之一是让农民饮用清洁的自来水。
自来水消毒过程中常会发生甲、乙化学反应,其反应的微观过程可用下图表示:下列说法正确的是( )A .物质D 属于氧化物B .物质C 的水溶液pH 大于7C .甲是复分懈反应D .实验室可用H 2O 2和MnO 2制取E三、填空题(本大题共35分)(改编)23.(5分)下图甲表示淀粉的消化终产物a 进入血液的过程及部分相关的活动示意图,请据图分析回答有关问题:(1)a进入组织细胞后,在b的参与下被分解成CO2和水,并释放能量,该生理过程属于新陈代谢过程中的▲作用。
(2)人体吸入的气体中若含有较多的一氧化碳,会影响b在血液内的运输。
其原因是一氧化碳与▲的结合力比b与之的结合力大200多倍。
(3)e进入血液的生理过程为▲(4)有些药物常被封在淀粉制成的胶囊里服用,以避免对胃产生刺激,从淀粉在消化道内的消化特点来看,其原因是▲(5)以上活动之所以能顺利进行主要是通过▲的调控作用来实现的。
(摘抄)24.(6分)来自不同纬度地区的A、B两种小型陆地哺乳动物体重、年龄、健康状况都相似,将它们分成数量相等的2组,每天每只仅喂食100 g糖类饲料,(自然状态下A、B两种物种每天每只进食1 00 g左右糖类饲料)两者在相同自然环境下持续实验1 O天,数据如右表所示:(1)若每只动物每天进食的100 g糖类饲料(以含100 g葡萄糖:C6H12O6计算)在体内都完全氧化为H2O和C02,为维持水分代谢平衡,每天至少应给A物种中的每只动物补充▲克水,排泄物中的失水量(g/天)尿液粪便汗液物种A 1 5 5 43物种B 30 1 5 75(2)10天后A物种都存活,而B物种全死亡(无细菌和病毒感染及相互撕咬),从实验数据看引起B物种死亡的最可能原因是▲。
综合分析,你认为引起B物种死亡的其他可能原因还有▲。
(3)研究表此物种A活动强度远不如物种B,产生这种行为差异的原因是:▲。
(改编)25.(4分)有这样一个课题:杆秤加一些小配件,你是否就可以设计制造出一杆能测出液体密度的杆秤呢?小亮看到这个课题后,经过论证和试验,在秤盘中放一个容积为500mL、质量为200g的玻璃容器,然后在杆秤的某些刻度上标上密度值,就制成了一杆简单而实用的液体密度秤(如图所示).只要在玻璃容器中加500mL的待测液体,就可以直接“称”出该液体的密度.在这杆秤上,密度为“0”的刻度应标在原刻度▲ kg处.请通过计算,确定杆秤上“0.6kg”刻度处对应的密度值▲。