复学测试4下②
2024年08版小学四年级下册第四次英语第2单元全练全测(含答案)
2024年08版小学四年级下册英语第2单元全练全测(含答案)考试时间：100分钟（总分:100）A卷考试人：_________题号一二三四五总分得分一、综合题(共计100题)1、选择题：What is the color of a ripe tomato?A. GreenB. YellowC. RedD. Blue2、Which of these is a popular soft drink?A. WaterB. JuiceC. ColaD. Milk答案:C3、填空题：My favorite holiday is ______ (圣诞节).4、What do you call a person who fixes cars?A. MechanicB. ElectricianC. PlumberD. Carpenter答案:A5、填空题：My brother has a ________ (机器人) toy that can ________ (走动) and talk.6、填空题：I call my pet . (我称呼我的宠物为)I want to _____ (join/start) a club.8、填空题：Plants release _____ (氧气) during photosynthesis.9、What is the capital of Greece?A. AthensB. RomeC. IstanbulD. Cairo10、填空题：The sky is _______ at sunset.11、How many sides does a pentagon have?A. 4B. 5C. 6D. 712、填空题：In my family, we believe it’s important to call each other ______.(在我的家庭中，我们相信称呼彼此为____是重要的。
四下道德与法治复学检测计划
四年级下册道德与法治检测计划本学期由于疫情影响，学生未能及时回到课堂，为了避免消极怠工，我们开展了道德与法治的线上教学工作。
现如今，疫情终于雨过天晴，可对于假期中学生的学习，我们却是一个未知数，为了使学生更好的发展，特制定了复学检测计划。
一、检测范围四年级道德与法治在疫情期间主要对学生进行了第一单元的网上教学，对于复课后的检测，也主要针对四下第一单元“同伴与交往”这一主题进行检测。
第一单元主要从同伴交往的主题出发，引导学生学会和谐的同伴交往方法，成为同学中受欢迎的人。
二、主要检测内容1.根据疫情期间网课的安排，考察学生对教材中基本知识的掌握程度；2.针对网课内容，考察学生相应的问题；3.结合学生的实际生活，进行考察，提高测试的针对性和实效性。
三、主要检测方法1.以测试卷的形式；2.师生抢答小竞赛的方式。
四、检测时间复学后一周以内。
五、主要反馈形式1.通过试卷测试，教师进行组织、批阅、订正，学生进行查漏补缺；2.在师生抢答过程中，及时发现问题，及时有效的解决。
附件：四下道德与法治第一单元复学检测班级：姓名：一、填空题（每空1分，共23分）1、_____总是给我们温暖，让我们感受到____的存在。
2、有些时候我们会向朋友提出_______的要求，却并不知道，正是这些_______的要求，伤害了朋友之间的__________。
3、_______来之不易，需要_____。
学会与朋友相处，______才能天长地久。
4、我们敬佩_____的人，____的人是得不到尊重的。
5、说到做到是一个人_____的重要标志。
一旦对他人作出保证，就要想办法_____完成。
在平时生活中，我们要逐渐养成_____的好习惯。
6、对别人说话算数，会有人_______，对自己说话算数就只能靠_____了。
7、只有正确认识产生冲突的_____，才能更好的____冲突。
8、能否避免发生冲突，往往取决于我们处理____的方式，____不同，____也就不同。
统编版语文四年级下册复学测试卷1
IJIJII们描写孩子们想象到的景象的语句。（4分） 3. 为什么说小小的天窗成了孩子们“唯一的慰藉”？ (3分）
4. 发抑想象，仿写句子。（2分） 从那小玻璃上而掠过的一条黑影，想象到这也许是 ，也许是
〈二〉细菌也可爱（节选） (13分）
李刘t军 人们通常把细菌描绘成可怕的魔鬼，。一捉起它，大家往往会联想到仲捕执
花盆里摔跤，抱着花枝打秋千，所过之处，枝折花落。
3.三月的桃花水，难道不是春天的竖琴吗？ 4. (1）把 “ 热心”改为“ 热烈”。 (2）去掉“、电子琴”。 七、1.树头新绿未成阴 日长篱落无人过为谁辛苦
为谁甜兴2. I哪一颗星没有光 哪 一朵花没有香
哪一次我的思潮 波涛的清响 3.苍蝇 蜘蛛 恐龙 纳米技术 4.老实 贪玩 贪玩 尽职 胆小 勇猛
益处 打比方 细阳在某些方面给人类生活带来的危
害很大 5.示例 t 大多数的细菌是有益的。例如：制酸
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科植物共生的生Ill 酬，它自H产生氮肥，就像化工厂二样．对
农业和内然界郁才liHD:血！，。也有一些细菌刑－ 人类不利，给
我们的生活咐米…些刷刷。例如：腐生菌可使食物腐 败， 一 些致病酷i可他人仰响。
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、
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三、1.天之册子 2. ）高耳欲聋 3.生气勃勃
四、1.郑重 2.隆重 3.不论 都 4.不仅 而且
五、1. B 2. A 3. D 4.C 5. B 6. B
六、1.示例：白雾与远天晴空连在一起，晶白中透着淡 蓝、青苍，一碧万顷。 2.示例：小猫确实很淘气：它在
2019-2020四年级下册语文-复学摸底试卷-期中卷A
2019-2020四年级（下）期中复习摸底试卷A（满分：100分考试时间：90分钟）班级：姓名：得分：一、读拼音，写词语。
（12分）1.蜘蛛想用苍蝇当午cān( )，可是松zhī( )滴下来，把它们一起ｍái（）在了里面。
我们yǐn( )约能推cè( )出它们当时的处境。
2.在lí( )笆下，一只母鸡shuài( )领着一群小鸡正在mì( )食，一个老wēnɡ( )扛着chú( )头从这里走过，ɡòu( )构成了一幅和xié( )的乡下画卷。
二、给加点的字，选择正确的读音。
（6分）效．率(shuài lǜ) 徜．徉（shànɡ chànɡ）应和．(hé hè）深渊．(yuān chuān) 鸡冠．(ɡuān ɡuàn) 绮．丽(qǐ jǐ) 三、请你给下面的形近字组词，并填入括号里。
（4分）炊饮1.哥哥在部队（）班工作，他炒的菜非常好吃。
2.国家非常重视农村（）工程建设，保证老百姓能喝上干净的水。
未末3.小熊跟在队伍的（），看样子它走不动了。
4.每个人对（）都充满了梦想，我们要努力才能实现的梦想。
四、回忆课文，选择相搭配的量词。
（4分）根条片株一（）运河几（）芍药两（）旗杆一（）绿荫五、把画“”的部分改成成语。
（8分）1.白公鹅走起路来慢慢腾腾，不慌不忙。
（）2.饭罐已经没有一点儿东西。
（）3.白鹅吃起饭来，三眼一板，认真细致，一点儿不马虎。
（）4.这只白鹅在整片河湾里最能吸引人们注意。
（）六、体会句式特点，然后仿写句子。
（9分）1.它屏息凝视，一连就是几个钟头，非把老鼠等出来不可！，非不可！那碰着岸边石块的叮当声，像是大路上车轮滚过的铃声。
，像。
2.你把东风带给树枝，让小鸟快活地飞上蓝天；你把青草带给原野，让千万朵鲜花张开笑脸。
你把，让；你把，让。
3.地上没有一片落叶，更不见有人攀树枝，摘鲜花，或是在草地上行走。
四年级复学试卷莆田【含答案】
四年级复学试卷莆田【含答案】专业课原理概述部分一、选择题（每题1分，共5分）1. 在复数中，若a+bi是纯虚数，则a等于（）A. 0B. 1C. -1D. 无法确定2. 设全集U={1, 2, 3, 4, 5}，集合A={2, 3, 5}，则A的补集为（）A. {1, 4}B. {2, 3, 4}C. {1, 3, 5}D. {1, 2, 4, 5}3. 函数y=2x+3的图像是一条（）A. 水平线B. 垂直线C. 斜线D. 抛物线4. 在直角坐标系中，点(3, -2)位于（）A. 第一象限B. 第二象限C. 第三象限D. 第四象限5. 若一个三角形的两边长分别为5和12，且这两边的夹角为90度，则这个三角形的周长为（）A. 17B. 19C. 22D. 25二、判断题（每题1分，共5分）6. 两个实数相乘，若结果为正数，则这两个实数必定同号。
（）7. 方程x^2 + 1 = 0没有实数解。
（）8. 在三角形中，大边对大角，小边对小角。
（）9. 任何数的立方根都只有一个。
（）10. 若函数f(x) = x^3是单调递增的，则其在R上恒成立。
（）三、填空题（每题1分，共5分）11. 若一个等差数列的前三项分别为2, 5, 8，则第四项为______。
12. 若复数z满足|z-1|=1，则z在复平面内对应的点位于以______为圆心，1为半径的圆上。
13. 若函数f(x) = x^2 4x + 3，则f(2)的值为______。
14. 在直角坐标系中，点(1, 2)关于y轴的对称点为______。
15. 若一个三角形的内角分别为45度、45度和90度，则这个三角形为______三角形。
四、简答题（每题2分，共10分）16. 简述等差数列和等比数列的定义。
17. 解释平行线的性质。
18. 什么是二次函数？给出一个二次函数的例子。
19. 什么是直角坐标系？如何表示一个点在直角坐标系中的位置？20. 什么是勾股定理？如何应用勾股定理解决问题？五、应用题（每题2分，共10分）21. 已知等差数列的前三项分别为2, 5, 8，求该数列的通项公式。
泉州2024年07版小学4年级下册第二次英语第4单元全练全测(含答案)
泉州2024年07版小学4年级下册英语第4单元全练全测(含答案)考试时间：80分钟（总分:100）B卷考试人：_________题号一二三四五总分得分一、综合题(共计100题)1、填空题：The ancient civilization of ________ is celebrated for its cultural richness.2、填空题：The ________ was a notable treaty that resolved longstanding tensions.3、What is the currency used in the Eurozone?A. DollarB. PoundC. EuroD. Yen答案: C4、What do you call a person who studies fossils?A. PaleontologistB. GeologistC. ArchaeologistD. All of the above答案:A5、填空题：The ______ (小鸟) chirps sweetly in the trees.6、What is the value of 10 2 × 3?A. 4B. 6C. 8D. 10答案:AThe cat is __________ the tree.8、选择题：What do we call a person who creates art?A. ArtistB. SculptorC. PainterD. Illustrator9、选择题：What is the result of 8 x 2?A. 14B. 15C. 16D. 1710、填空题：I want to grow a ________ that attracts butterflies.11、What do we call the force that attracts objects towards the Earth?A. MagnetismB. GravityC. Centripetal ForceD. Friction答案:B. Gravity12、填空题：The ancient Mayans were known for their ________ and astronomy.13、填空题：The ________ grows in the wild.14、听力题：Space is a vacuum, which means it has no ______.15、填空题：The first successful vaccine was developed by ________ (詹纳).16、填空题：My birthday is on _______ (四月), and I will have a _______ (派对).17、听力题：The boy is learning to ________.We are _____ a field trip next week. (going on)19、听力题：A substance that changes color when it reacts with an acid is called an _____.20、Which planet is known as the Blue Planet?A. MarsB. EarthC. NeptuneD. Uranus答案:B21、选择题：What is the name of the famous wizarding school in Harry Potter?A. HogwartsB. DurmstrangC. BeauxbatonsD. Ilvermorny22、What is the capital city of Nigeria?A. AbujaB. LagosC. KanoD. Port Harcourt答案:A23、填空题：The ancient Romans excelled in ________ and civic planning.24、填空题：My friend enjoys __________ (钓鱼).25、What do we call a system of government where citizens vote for their leaders?A. MonarchyB. DictatorshipC. DemocracyD. Oligarchy答案: C26、听力题：The chemical formula for copper(II) acetate is _____.27、填空题:My favorite game to play is ________.________ (植物管理策略) inform practices.29、听力题：Salt is formed when an acid reacts with a _______.30、What is the capital of the Netherlands?A. AmsterdamB. RotterdamC. The HagueD. Utrecht31、What is the name of the largest continent?A. AfricaB. AsiaC. EuropeD. North America32、选择题：What do we call a journey to a place?A. TripB. WalkC. RunD. Jump33、Which planet is known as the Red Planet?A. EarthB. JupiterC. MarsD. Saturn答案:C34、听力填空题：I love trying new activities, like __________, to step out of my comfort zone.35、听力题：She made a _____ drawing. (nice)36、What do you call a person who writes books?A. ArtistB. AuthorC. MusicianD. Chef答案:B37、What do you call a house made of ice?A. IglooB. CastleC. HutD. Cabin答案:A38、What do we call the act of protecting the environment?A. ConservationB. PreservationC. SustainabilityD. All of the Above答案：D39、填空题：The _____ (花卉装饰) adds beauty to any space.40、填空题：A parrot can learn to ______ (说话).41、听力题：The capital of Botswana is __________.42、填空题：The __________ (历史的探索) invites curiosity.43、填空题：A _____ (植物类型) can dominate certain ecosystems.44、填空题：During my free time, I like to draw and paint ________ (风景) from nature.45、How many legs does a spider have?A. 6B. 8C. 10D. 12答案:B46、填空题：My _____ (邻居) is very nice.47、can Civil War was fought between the North and the _______. (南方) 填空题：The Amer48、What do we call the light produced by fireflies?a. Luminescenceb. Incandescencec. Fluorescenced. Phosphorescence答案:a49、选择题：What do we call the device we use to see distant objects?A. MicroscopeB. TelescopeC. BinocularsD. Magnifying glass50、填空题：The ______ (蝴蝶) starts as a caterpillar.51、What do you call the liquid part of blood?A. PlasmaB. SerumC. HemoglobinD. White blood cells答案:A52、选择题：What instrument is used to measure temperature?A. BarometerB. ThermometerC. SpeedometerD. Altimeter53、How many senses do humans have?A. 3B. 5C. 7D. 954、填空题：I like to create stories with my toy ____. (玩具名称)55、What is the capital of India?A. DelhiB. MumbaiC. KolkataD. ChennaiWhat is 8 + 1?A. 9B. 10C. 11D. 1257、What is the capital of India?A. DelhiB. MumbaiC. KolkataD. Bangalore答案: A58、填空题：The __________ (历史的平衡) requires multiple viewpoints.59、听力题：A __________ is formed by the interaction of geologic processes and human activity.60、听力题：An acid-base reaction produces _______ and water.61、填空题：The city of Cairo is near the ________ (尼罗河).62、What is the name of the planet we live on?A. MarsB. VenusC. EarthD. Jupiter63、听力题：An endothermic reaction absorbs _____ (heat) from the surroundings.64、填空题：The _______ of a substance is the amount of mass per unit volume. (密度)65、What is 5 3?A. 2B. 3C. 1D. 5答案:AWhich instrument is played with keys?A. FluteB. DrumsC. PianoD. Guitar67、What is the first month of the year?A. DecemberB. JanuaryC. FebruaryD. March68、填空题：The _____ (mountain) is home to unique plants.69、填空题：The sunflowers face the _______ all day long.70、填空题：My favorite thing to do in winter is ______.71、填空题：The weather is _______ (非常寒冷).72、What is the shape of a basketball?A. SquareB. TriangleC. RoundD. Rectangle答案: C73、In which country is the Great Pyramid located?A. GreeceB. EgyptC. ChinaD. India答案: B74、听力题：A ____ is known for its loud croak at night.75、填空题：The bat uses echolocation to find ________________ (食物).I want to _____ (read/write) a story.77、What do you call a large body of saltwater?A. LakeB. OceanC. RiverD. Pond78、填空题：He is a musician, ______ (他是一位音乐家), writing his own songs.79、What is the capital of Guinea?A. ConakryB. NzérékoréC. KankanD. Kindia答案:A80、填空题：The __________ (历史的多元背景) informs perspectives.81、What do you call a group of wolves?A. PackB. FlockC. HerdD. School82、填空题：The country famous for its tango is ________ (阿根廷).83、听力题：I want to ________ a new toy.84、填空题：I enjoy reading ______ (小说) because they take me to different worlds and adventures.85、听力题：I like to ride my ________.86、What is the name of the famous archaeological site in Mexico?A. TeotihuacanB. Machu PicchuC. Chichen ItzaD. Tikal答案: C. Chichen Itza87、What do you call the practice of keeping bees?A. HorticultureB. ApicultureC. SericultureD. Aquaculture答案:B88、What is the capital of the UK?A. LondonB. ParisC. BerlinD. Madrid答案: A89、How many legs does a spider have?A. SixB. EightC. FourD. Ten答案：B90、填空题：In winter, I like to drink ______ (热巧克力) and watch ______ (雪) fall outside. It’s a cozy feeling.91、填空题：_____ (phototropism) describes how plants grow towards light.92、填空题：The __________ was a period of great cultural and artistic achievement in Italy.(文艺复兴)93、填空题：Today is a __________ day; it’s perfect for a picnic. (温暖的)94、填空题：I have a toy ________ (玩具名称) that can slide down.95、听力题：A ______ helps to protect against predators.96、听力题：We are going to _____ a picnic tomorrow. (have)97、听力题：The ______ has a unique call.98、听力题：The __________ is part of the brain that controls movement.99、听力题：The chemical reaction that occurs when food is digested is called _______.100、听力题：The ______ is a famous explorer.。
惠州2024年04版小学四年级下册第二次英语第1单元全练全测(含答案)
惠州2024年04版小学四年级下册英语第1单元全练全测(含答案)考试时间：100分钟（总分:100）A卷考试人：_________题号一二三四五总分得分一、综合题(共计100题共100分)1. 填空题：My pet ______ (猫) loves to play with toys.2. 填空题：A ______ (生态恢复) project can revitalize damaged areas.3. 填空题：My brother is really into _______ (运动). 他希望能 _______ (动词).4. 选择题：What is the name of the famous scientist known for his work on the structure of DNA?A. James WatsonB. Francis CrickC. Rosalind FranklinD. Gregor Mendel答案: A5. 听力题：My birthday is in ___. (April)6. 选择题：What do we call the process of a plant growing from a seed?A. GerminationB. PhotosynthesisC. PropagationD. Cultivation答案:A7. 选择题：What is the term for animals that eat both plants and meat?A. HerbivoresB. CarnivoresC. OmnivoresD. Decomposers答案:C8. 选择题：What is the term for a baby capybara?a. Pupb. Kitc. Calfd. Hatchling答案:c9. 填空题：The ________ (玩具名称) is very popular this year.10. 填空题：A ______ (刺猬) can curl up into a ball when scared.11. 填空题:My pet is a ________ and it loves to play.12. 选择题：What do we call a machine that helps us cook food quickly?A. OvenB. MicrowaveC. ToasterD. Blender答案: B13. 选择题：What is the chemical symbol for water?A. H2OB. O2C. CO2D. NaCl答案: A14. 填空题：Did you see a _______ (小海豹) playing in the waves?15. 填空题：The first successful vaccine for smallpox was developed in ______ (18世纪).We have a ______ (丰富的) resource center.17. 听力题：A ______ can help restore habitats.18. 填空题：She is a historian, ______ (她是一名历史学家), who loves ancient cultures.19. 听力题：A reaction that takes place in an open system is called an ______ reaction.20. 填空题：My favorite dessert is ________ (冰淇淋).21. 听力题：A _______ is a reaction that occurs under pressure.22. 填空题：My cousin, ______ (我的表妹), enjoys playing soccer.23. 填空题：My grandmother makes the best ____.24. 听力题：A chemical that helps to speed up a reaction is called a ______.25. 填空题：My friend is __________ (成功的).26. 选择题：What is the capital of Australia?a. Sydneyb. Melbournec. Canberrad. Brisbane答案:C27. 选择题：What is the name of the largest mammal in the ocean?A. SharkB. WhaleC. DolphinD. SealI enjoy _______ (参加) community service.29. 听力题：The chemical formula for iron oxide is _______.30. 听力题：The Milky Way is the name of our ______.31. 听力题：My dad works at a _____ (hospital/school).32. 填空题：My uncle loves to __________ (探险) in nature.33. 听力题：I have a _____ (passport) for travel.34. 选择题：What do you call a story that teaches a lesson?A. FableB. MythC. FairytaleD. Novel答案:A35. 选择题：What do we call the study of living things?A. ChemistryB. BiologyC. PhysicsD. Geography36. 听力题：A _______ is a process that produces heat.37. 填空题：My ___ (小兔子) likes to jump around.38. 选择题：What is the capital of Iraq?A. BaghdadB. BasraC. ErbilD. MosulThe first successful partial face transplant was performed in ________.40. 填空题：We visit the ______ (植物园) to see flowers.41. 填空题：My cat chases after ______ (小虫子).42. 听力题：The _______ is essential for growth.43. 填空题：The ancient Greeks are known for their contributions to _____ and science.44. 填空题：I love to _______ (研究) new topics.45. 选择题：What do you call a large bird that can't fly?A. EagleB. PenguinC. SparrowD. Parrot答案:B46. 填空题：The first man on the moon was ______ (尼尔·阿姆斯特朗).47. 填空题：My ________ (玩具名称) glows in the dark.48. 听力题：The ______ teaches us about critical thinking.49. 听力题：The city of Colombo is the capital of _______.50. 选择题：How many weeks are in a year?A. 50B. 52C. 54D. 56答案:BSaturn's rings are made of ice and small ______.52. 选择题：Which word means "to run away"?A. EscapeB. ArriveC. StayD. Return53. 听力题：We will _______ (go) to the zoo next week.54. 听力题：Chemical reactions can be exothermic or _____ (endothermic).55. 听力题：The bumblebee makes _____.56. 填空题：The __________ (科学探索) leads to innovation.57. 填空题：This is my ______ friend. (这是我的______朋友。
韶关2024年04版小学4年级下册第5次英语第2单元全练全测(含答案)
韶关2024年04版小学4年级下册英语第2单元全练全测(含答案)考试时间：100分钟（总分:110）A卷考试人：_________题号一二三四五总分得分一、综合题(共计100题)1、What do you call a baby platypus?A. KitB. CubC. PupD. Hatchling2、听力题：We are having ______ for lunch today. (pizza)3、填空题：_____ (野生) plants sometimes grow in unexpected places.4、选择题：What do we call a person who studies plants?A. BiologistB. BotanistC. ChemistD. Geologist5、填空题：I took my ________ (玩具名称) on a trip.6、What do butterflies start their life as?A. CaterpillarB. EggC. LarvaD. Pupa答案: A7、What is the main ingredient in a salad?A. LettuceC. KaleD. All of the above答案:D8、填空题：A ____(public-private partnership) leverages resources for community benefit.9、填空题：I can travel with my ________ (玩具名称).10、What is the opposite of 'hot'?'热'的反义词是什么？A. ColdB. WarmC. CoolD. Boiling答案: A11、What is the name of the famous American musician known for "Counting Stars"?A. OneRepublicB. Maroon 5C. ColdplayD. Imagine Dragons答案：A12、听力题：I like to ___ new places. (explore)13、填空题：The _____ (花卉) are often used for special occasions.14、填空题：When I write a card to my friend, I start with "To my dear __."(当我给我的朋友写卡片时，我开始写“致我亲爱的。
岳阳2024年08版小学4年级下册第四次英语第2单元全练全测(含答案)
岳阳2024年08版小学4年级下册英语第2单元全练全测(含答案)考试时间：100分钟（总分:110）A卷考试人：_________题号一二三四五总分得分一、综合题(共计100题)1、Which planet can support life as we know it?A. MarsB. VenusC. EarthD. Saturn2、听力题：My brother is very ________.3、填空题：The snail carries its home on its _______ (背).4、What do you call a piece of furniture to sit on?A. TableB. ChairC. CouchD. Bench答案:B5、填空题：The turtle is very ______.6、填空题：The ________ (栽培) of herbs is popular.7、What is the capital of Somalia?A. MogadishuB. HargeisaC. KismayoD. Bosaso答案:A8、What shape is a stop sign?A. CircleB. TriangleC. SquareD. Octagon答案: D9、填空题：The ancient Romans are known for their _______. (法律)10、听力题：The chemical formula for -pentanoic acid is ______.11、听力题：The cake is ________ and sweet.12、填空题：The garden is filled with lovely _______ that cheer me up.13、听力题：The monkey is ________ in the tree.14、填空题：My ________ (玩具名称) is a great reminder of good times.15、听力题：The computer is on the ___ (desk/floor).16、填空题：The garden is ________ (美丽).17、填空题：The ________ (气候适应) is necessary for survival.18、填空题：My sister loves ________ (唱歌).19、听力题：The ____ hops quickly and loves to chase after things.20、填空题：My teacher is very __________ (热情).21、What is the term for a young seagull?a. Chickc. Calfd. Kit答案:a22、听力题：The _____ (pillow) is soft.23、What is the capital of Malaysia?A. Kuala LumpurB. SingaporeC. JakartaD. Manila答案:A24、听力题：A concentrated solution has a ______ amount of solute.25、填空题：I enjoy _______ (听音乐) while walking.26、听力题：The _____ shows the positions of stars and constellations.27、填空题：The __________ (历史的视角) shapes narratives.28、听力题：A ______ is a representation of scientific knowledge.29、听力题：The _______ can be a source of inspiration for poetry.30、What do we call a scientist who studies the structure of the Earth?A. GeologistB. BiologistC. ChemistD. Meteorologist答案: A31、填空题：The parrot has bright ______ (羽毛).32、What is the chemical formula for salt?A. NaClB. KClD. MgCl2答案:A33、听力题：Metals are usually good __________ of heat and electricity.34、What is the main source of energy for the Earth?a. Moonb. Sunc. Starsd. Wind答案:B35、What is the opposite of 'big'?A. LargeB. HugeC. SmallD. Tall答案:C36、听力题：The ______ is known for his scientific discoveries.37、填空题：The __________ (历史的情感纽带) foster connections.38、听力题：The _____ was first explored by humans in the s.39、What do we call a young cat?A. PupB. KittenC. CalfD. Chick答案:B40、填空题：The __________ (古代波斯) was known for its great emperors.41、Which continent is known as the "Dark Continent"?A. AsiaB. AfricaC. EuropeD. Australia42、Which instrument has keys and is played with fingers?A. GuitarB. DrumsC. PianoD. Violin答案:C43、What is the process of converting a liquid into a gas?A. EvaporationB. CondensationC. FreezingD. Melting答案:A. Evaporation44、听力题：The clock shows ______ (three) o'clock.45、听力题：The chemical formula for table salt is _____ (NaCl).46、What do you call the event where you celebrate someone's birthday?A. PartyB. FestivalC. GatheringD. Ceremony答案: A47、选择题：Which animal can change its color?A. DogB. ChameleonC. HorseD. Cat48、What is the capital city of South Korea?A. SeoulB. BusanC. IncheonD. Daegu答案: A49、填空题：I love to ______ (认识) new friends.50、What is the process of water turning into vapor called?A. EvaporationB. CondensationC. PrecipitationD. Sublimation51、听力题：We play ___ (games/sports) after school.52、填空题：The octopus can use its ink to ______ (逃跑) from danger.53、填空题：My sister loves to bake __________ (甜点) for the family.54、填空题：I drew a _______ in art class.55、填空题：I met my _____ (阿姨) at the party.56、填空题：My favorite snack is ________ (薯片) after school.57、What is the capital of Switzerland?A. BernB. ZurichC. GenevaD. Lucerne答案:A58、What do we call a person who studies the effects of climate change on agriculture?A. Agricultural ScientistB. Environmental ScientistC. BiologistD. Ecologist答案: A59、听力题：The capital city of Hungary is __________.60、What is the capital of Belarus?A. MinskB. VilniusC. RigaD. Kyiv答案: AThe puppy is _______ (很可爱).62、听力题：The _____ (game/toy) is fun.63、听力题：We enjoy _____ (cooking) new recipes.64、听力题：My brother likes to _____ (玩) games.65、听力题：I can ______ (jump) really far.66、填空题：Certain plants can ______ (改善) air quality indoors.67、填空题：The __________ (人类关系) are complex and varied.68、填空题：I have a new ________ (玩具名称) that spins.69、填空题：古代的________ (civilizations) 通过建筑和艺术表达自己的文化。
襄阳市保康县初中化学2019-2020学年初四年级复学考试试卷
襄阳市保康县初中化学2019-2020学年初四年级复学考试试卷姓名:________ 班级:________ 成绩:________一、选择题 (共20题；共20分)1. （1分） (2019九上·浦东期中) 下列变化中，属于化学变化的是（）A . 矿石粉粹B . 果蔬榨汁C . 酒精燃烧D . 糯米磨粉2. （1分） (2017九上·崇明月考) 试管在化学实验中常与其他仪器和药品同时使用（图中其他仪器和药品略去）。
下列试管的朝向与实验项目相对应且正确的是（）A . 加热高锰酸钾制氧气B . 向试管中加入粉末状药品的初始阶段C . 排空气法收集氧气D . 给液体加热3. （1分）(2019·苏州) 下列物质由离子构成的是（）A . 氦气B . 水C . 氯化钠D . 金刚石4. （1分） (2019九上·平遥月考) 小红暑假去西藏发生了严重的高原反应，医生让他吸氧后症状缓解。
吸氧可以帮助人缓解高原反应的原因是（）A . 氧气是无色无味的气体B . 氧气可以支持燃烧C . 吸氧为人体呼吸提供了适量的氧气D . 氧气可以燃烧5. （1分） (2018九下·巫山期中) 萤石（CaF2）是提取氟的重要矿物。
透明无色的萤石可以用来制作特殊的光学透镜。
其中F元素的化合价是（）A . +1B . -26. （1分） (2016九上·沙市月考) 下列化学用语的说法正确的是（）A . 2O表示两个氧分子B . S2﹣表示硫元素的化合价为负二价C . 表示一个铝离子D . 3CO表示三个一氧化碳分子7. （1分）(2020·盘县模拟) 乙醇（C2H5OH）是可再生资源，其燃烧的化学方程式为C2H5OH +3O2 2CO2+ 3H2O，该化学方程式中，不存在的物质种类是（）A . 单质B . 氧化物C . 盐D . 有机化合物8. （1分）(2017·汇川模拟) 物质的性质决定用途，下列物质的用途中利用其物理性质的是（）A . 活性炭作吸附剂B . 稀盐酸作除锈剂C . 生石灰作干燥剂D . 碘酒作消毒剂9. （1分）(2011·南宁) 实现“低碳经济”的一种策略是节约能源．如图所示的四种制取氧气的方法中最节能的是（）A . ①B . ②10. （1分）(2019·连云港) 氟元素在元素周期表中的相关信息如图所示。
锦州2024年02版小学4年级下册第二次英语全练全测
锦州2024年02版小学4年级下册英语全练全测考试时间：90分钟（总分:100）B卷考试人：_________题号一二三四五总分得分一、综合题(共计100题)1、听力题：A ______ is a large area of land that rises above sea level.2、听力题：The clock strikes _____ (one/two).3、What do we call the process of water turning into ice?A. FreezingB. MeltingC. EvaporatingD. Boiling答案: A. Freezing4、听力题：The ______ helps with the immune system.5、填空题：Planting perennials can establish a ______ (长期) garden.6、What is the capital of the United Kingdom?A. LondonB. EdinburghC. CardiffD. Belfast答案:A7、填空题：A _____ (植物工作坊) can teach valuable skills.8、填空题：My favorite ice cream flavor is ________ (巧克力).We will _____ (travel/stay) at home.10、填空题：I have a plant that likes _____ sunlight.11、填空题：The __________ is a famous bridge in San Francisco. (金门大桥)12、听力题：The ______ helps maintain the balance of nature.13、What is the name of the famous American national park located in California?A. YellowstoneB. YosemiteC. Grand CanyonD. Zion答案：B14、What is the main language spoken in the United States?A. SpanishB. EnglishC. FrenchD. German15、What is the capital of Nepal?A. KathmanduB. PokharaC. LalitpurD. Bhaktapur答案: A16、听力题：The amount of matter in an object is referred to as its _____ (mass).17、听力题：My pet is a _____ cat. (fluffy/fast/tall)18、What is the name of the famous American singer known for "Billie Jean"?A. Michael JacksonB. PrinceC. UsherD. Justin Timberlake答案：AThe ________ loves to climb trees and explore.20、听力题：The Earth's mantle is made up of ______ rock.21、填空题：I find ________ (心理学) interesting to study.22、听力题：We visit the ________ (aquarium) often.23、听力题：Most gases are ______ at room temperature.24、What do you call a story that is made up?A. FactB. FictionC. BiographyD. History答案: B25、听力题：The cat climbs to the top of the _____ fence.26、听力题：A __________ is a large area of fertile land.27、What do you call a young female horse?A. FillyB. MareC. ColtD. Foal答案:A28、听力题：A polymer is a large molecule made of repeating _____.29、填空题：My sister has a pet ______ (兔子) named Fluffy.30、听力题：My cousin is a ______. She loves to create jewelry.31、听力题：My mom makes the best ____ (pancakes) on Sundays.We are going to ___ a festival. (attend)33、填空题：The worm helps the ______ grow.34、听力题：The __________ is where the land meets the sea.35、填空题：A _____ (自然教育) can foster respect for the environment.36、填空题：We should respect all _____ (自然环境).37、听力题：An indicator is a substance that changes color in response to _____.38、What is the capital of Zambia?a. Lusakab. Ndolac. Kitwed. Livingstone答案:a39、What do you call a type of large, flightless bird?A. PenguinB. OstrichC. EmuD. All of the above40、填空题：I enjoy watching _______ (小动物) in the wild.41、What do we call the small particles that make up matter?A. AtomsB. MoleculesC. CompoundsD. Elements答案: A. Atoms42、听力题：I want to go to the ________.43、填空题：We watch ________ (电影) on weekends.Plants can be used to improve ______ (土壤质量).45、Which animal is known as "man's best friend"?A. CatB. DogC. BirdD. Fish答案:B46、听力题：A flame test is used to identify _____.47、填空题：I want to learn to ________ (制作甜点) for fun.48、War ended with the collapse of the ________ (苏联). 填空题：The Cold49、填空题：The _______ (青蛙) likes to jump around.50、听力题：The first successful heart transplant was done in _______.51、听力题：My grandma enjoys knitting ____ (hats).52、填空题：The capital city of Angola is ________ (安哥拉的首都城市是________).53、Which of these is a type of measurement?A. LengthB. ColorC. ShapeD. Size54、填空题：A _____ (植物品种) can be different colors and sizes.55、What is 2 + 2?A. 3B. 4C. 5D. 6答案: B56、选择题：What is the opposite of fast?A. QuickB. SlowC. RapidD. Speedy57、听力题：A chemical reaction can be catalyzed by a ______.58、听力题：We play _____ (桌游) on weekends.59、听力题：A _______ is a chemical change that involves a color change.60、What is the name of the sweet dessert made from flour and sugar?A. CakeB. BrownieC. MuffinD. Cookie答案: A61、听力题：I like _____ (to cook/to eat).62、听力题：A reaction that produces a precipitate is called a ______ reaction.63、What is the name of the largest desert in the world?A. Sahara DesertB. Arabian DesertC. Gobi DesertD. Kalahari Desert答案:A64、填空题：A _____ is a large area of water that is deep.65、填空题：My favorite holiday is ________ (万圣节) because of the costumes.66、How many legs do spiders have?A. 6B. 8C. 10D. 12答案: B67、What is the name of the fairy tale character who sleeps for 100 years?A. Snow WhiteB. Sleeping BeautyC. CinderellaD. Rapunzel答案: B68、听力题：The chemical formula for formaldehyde is _____.69、填空题：I want to _______ (买) a toy.70、What is the name of the famous American president known for the Emancipation Proclamation?A. George WashingtonB. Abraham LincolnC. FranklinD. RooseveltD. Thomas Jefferson答案: B71、What is the capital of Turkey?A. IstanbulB. AnkaraC. IzmirD. Bursa72、填空题：My dad is a great __________ (领导者).73、选择题：What do we call a place where we can see historical artifacts?A. LibraryB. MuseumC. ZooD. Park74、听力题：The rock cycle can take millions of ______ to complete.75、What is the term for a person who studies animals?A. ZoologistB. BotanistC. BiologistD. Geologist答案: A76、听力题：In chemistry, a solution is a _______ mixture.77、听力题：A zebra has black and ______ stripes.78、What is the main function of roots in a plant?A. To absorb nutrientsB. To produce flowersC. To attract insectsD. To make food答案: A79、What do you call the outer layer of the Earth?A. CoreB. MantleC. CrustD. Shell80、选择题：What is the opposite of hard?A. SoftB. ToughC. FirmD. Strong81、听力题：A fuse is a safety device that protects against excessive ______.82、填空题：A seahorse is a type of ______ (鱼).83、What do we call a story that is not true?A. FictionB. Non-fictionC. BiographyD. History84、Which of these is not a fruit?A. BananaB. CarrotC. MangoD. Orange答案:B85、填空题：I have a toy _______ that goes fast and makes cool sounds.86、填空题：My sister plays the ________ (钢琴).87、听力题：A __________ is formed by the accumulation of sediment in a river delta.88、听力题：The _____ (clouds/trees) are white.89、选择题：What is 7 + 2?A. 8B. 9C. 10D. 1190、听力题：The capital of Greece is _______.91、填空题：My ___ (小狗) barks at the mailman.92、填空题：My pet ___ (鸟) sings beautiful songs.93、What do we call the study of birds?A. OrnithologyB. ZoologyC. BotanyD. Ecology答案: A94、What is the capital of Germany?A. MunichB. FrankfurtC. BerlinD. Hamburg答案: C95、What is the name of the famous wizarding school in the Harry Potter series?A. HogwartsB. BeauxbatonsC. DurmstrangD. Ilvermorny96、What is the name of our galaxy?A. AndromedaB. Milky WayC. WhirlpoolD. Sombrero答案:B97、听力题：A group of lions is called a ______.98、听力题：The ______ helps us learn about traditional stories.99、What is the opposite of hot?A. WarmB. CoolC. ColdD. Freezing答案:C100、听力题：We draw pictures with ___ (crayons).。
丹东2024年02版小学四年级下册G卷英语基本全练全测(含答案)
丹东2024年02版小学四年级下册英语基本全练全测(含答案)考试时间：100分钟（总分:140）B卷考试人：_________题号一二三四五总分得分一、综合题(共计100题)1、听力题：The Earth's surface is covered with about ______ percent water.2、What do we call a story that is told through pictures?A. ComicB. NovelC. BiographyD. Folktale答案:A3、填空题：The puppy is _______.4、填空题：The ________ was a crucial treaty that facilitated trade.5、填空题：The __________ is a major city known for its global influence. (纽约)6、填空题：The __________ (历史的多重解读) enrich our knowledge.7、What does a compass help us find?A. DistanceB. SpeedC. DirectionD. Location答案: C8、填空题：The __________ is beautiful with all the colors of fall. (树木)__________ are important for the production of biofuels.10、填空题：A bear can stand on its ________________ (后腿).11、听力题：There are _____ (三) cats in the house.12、填空题：My _____ (父亲) teaches me how to plant vegetables in our garden.我父亲教我如何在我们的花园里种植蔬菜。
四年级下册数学试题复学摸底考试数学试卷3(有答案)人教版
2021 -2021学年人教版小学四年级|||下册复学摸底考试数学试卷一．填空题(共11小题,总分值22分,每题2分)1．|||王伯伯在果园里采摘的苹果的质量是杏的4倍．如果用x表示杏的质量,那么苹果的质量可用表示,苹果和杏一共的质量用表示,苹果比杏多的质量用表示．2．甲、乙两地相距x千米,一辆汽车从甲地出发,开往乙地,每小时行m千米,行3小时后距乙地还有千米．3．12×(+)＝3 +4＝7 ,这是根据计算的．(填运算定律)4．一个三角形中的两个角分别是56°、34°,第三个角是度,这是一个三角形．5．一个等腰三角形的顶角是30度,那它的一个底角是度；如果等腰三角形的一个底角是30度,那它的顶角是度．6．在一个三角形中,如果两个内角的和等于另一个内角,那么它是一个三角形．7．一个等腰三角形的底是12厘米,腰是a厘米,高是b厘米．这个三角形的周长是厘米,面积是平方厘米．8．8.05读作十八点零二写作9．一个数的整数局部是2个3的和,小数局部是3个0.2的和,这个数是．10．在计算器上输入,这时显示屏上显示．11．把以下各数从小到大的顺序排列．908克、9千克80克、900千克、0.09吨．．二．判断题(共6小题,总分值6分,每题1分)12．a+1和a﹣1可以分别表示和自然数a (a≠0 )相邻的两个自然数．(判断对错) 13．比4.4大,比4.6小的小数只有4.5．．(判断对错)14．一个三角形的三条边分别是3厘米、5厘米、9厘米．(判断对错)15．用三根长度分别是6厘米、6厘米和12厘米的绳子可以围成一个等腰三角形．(判断对错)16．用2个锐角一定能拼成一个钝角．…．(判断对错)17．52 +83 +48＝83 + (52 +48 )这一步计算只应用了加法交换律．．(判断对错)三．选择题(共6小题,总分值12分,每题2分)18．以下选项中,能用"2a+6〞表示的是()A．整条线段的长度：B．整条线段的长度：C．这个长方形的周长：D．这个三角形的面积：19．三角尺,有三个角,下面说法错误的选项是()A．一个角是锐角,一个角是直角,一个角是钝角B．三个角的和是180度C．一个直角两个锐角20．具有稳定性的图形是()A．长方形B．三角形C．平行四边形D．梯形21．将一张正方形的纸连续对折两次(有不同的折法) ,并在折后的纸(中|央)打一个圆孔,再将纸展开,得到下面不同的图形．请为下面的折法选择展开后的图形：展开后是()A．B．C．D．22．8.3里面有()个千分之一．A．830B．83C．8.3D．830023．一个三角形,如果它的两个内角度数之和等于第三个内角的度数,那么这个三角形是()三角形．A．锐角B．直角C．钝角四．计算题(共2小题,总分值31分)24．直接写出得数．60×16＝770÷7＝408÷4＝50×60＝96÷6 +60＝600÷3＝18×40＝400÷5＝630÷7＝0÷5 +95＝25．简便运算47×29 +47×7192×99 +92201×23125×16(20 +6 )×1525×41五．操作题(共2小题,总分值6分)26．画出以以下图形底上的高．27．如图：：∠1＝30°∠4＝110°那么：∠2＝°∠3＝°．六．应用题(共6小题,总分值29分)28．等腰三角形三条边的长度之和是62厘米,一条腰长25厘米,求底边的长是多少厘米? 29．一辆大客车和一辆小轿车从甲地同时出发,沿同一条公路开往乙地．大客车每小时行驶x千米,小轿车每小时行驶120千米．2.5小时后,小轿车到达乙地,大客车没有到达．(1 )用含有字母的式子表示这时大客车离乙地还有多少千米?(2 )当x＝80时,大客车离乙地还有多少千米?30．一个等腰三角形的顶角是100°,它的底角是多少度?31．元旦前,水果店的老板以18元一箱的价格购进了300箱水果,元旦期间以25元一箱的价格卖出280箱,元旦过后,老板将剩下的水果以15元一箱的价格卖完了．老板是赚了还是亏了?赚了(或亏了)多少钱?32．射洪距成都174千米,甲、乙两车同时从两地相对开出,1.5小时后相遇．甲车每小时行56千米,乙车每小时行多少千米?33．学校食堂买来240千克大米,如果再买72千克就够吃8天了．平均每天吃多少千克?参考答案与试题解析一．填空题(共11小题,总分值22分,每题2分)1．解：因为|||王伯伯在果园里采摘的苹果的质量是杏的4倍,用x表示杏的质量,所以苹果的质量可用4x表示,苹果和杏一共的质量用x+4x＝5x表示,苹果比杏多的质量用4x﹣x＝3x表示,故答案为：4x ,5x ,3x．2．解：x﹣3m答：行3小时后距乙地还有(x﹣3m )千米．故答案为：(x﹣3m )．3．解：12×(+)＝12×+12×＝3 +4＝7这是根据乘法分配律计算的．故答案为：乘法分配律．4．解：第三个角是：180°﹣56°﹣34°＝90°．三角形中的三个角分别是：56°、34°、90°,最|||大角是90°,所以三角形是直角三角形．故答案为：90；直角．5．解：(180°﹣30°)÷2＝150°÷2＝75°；180°﹣30°×2＝180°﹣60°＝120°；答：一个等腰三角形的顶角是30度,那它的一个底角是75度；如果等腰三角形的一个底角是30度,那它的顶角是120度．故答案为：75 ,120．6．解：三角形的内角和是180°,如果有两个内角之和等于90°,那么另一个内角是180°﹣90°＝90°,因此,这个三角形是直角三角形．故答案为：直角．7．解：三角形的周长是：12 +a+a＝12 +2a (厘米) ,三角形的面积是：12×b÷2＝6b (平方厘米) ,故答案为：12 +2a；6b．8．解：8.05读作八点零五十八点零二写作18.02故答案为：八点零五,18.02．9．解：一个数的整数局部是2个3的和,小数局部是3个0.2的和,这个数是6.6；故答案为：6.6．10．解：在计算器上输入,这时显示屏上显示19．故答案为：19．11．解：9千克80克＝9080克,900千克＝900000克,0.09吨＝90000克908克＜9080克＜90000克＜900000克即908克＜9千克80克＜0.09吨＜900千克．故答案为：908克＜9千克80克＜0.09吨＜900千克．二．判断题(共6小题,总分值6分,每题1分)12．解：与自然数a (a≠0 )相邻的两个自然数是a+1和a﹣1；故答案为：√．13．解：比4.4大,比4.6小的一位小数有4.5 ,比4.4大,比4.6小的两位小数有4.41、4.42、4.43、…,比4.4大,比4.6小的三位小数有4.411、4.421、4.431、…,…,所以比4.4大,比4.6小的小数有无数个,原题说法不正确．故答案为：×．14．解：因为3 +5＝8＜9 ,所以三条分别是3厘米、5厘米、9厘米的边不能组成三角形；原题说法错误．故答案为：×．15．解：6厘米+6厘米＝12厘米,两边之和等于第三边,不能围成三角形,故原题说法错误；故答案为：×．16．解：锐角是小于90°的角,两个小于90°的角相加那么有可能大于、等于或小于90°,所以可能是锐角,也可能是直角或钝角．故答案为：×．17．解：52 +83 +48＝83 +52 +48 (运用加法的交换律)＝83 + (52 +48 ) (运用加法的结合律)所以说52 +83 +48＝83 + (52 +48 )这一步计算只应用了加法交换律是错误的；故答案为：×．三．选择题(共6小题,总分值12分,每题2分)18．解：由分析可得,长方形的周长是(a+3 )×2＝2a+6 ,符合题意．应选：C．19．解：A、一个角是锐角,一个角是直角,一个角是钝角；直角等于90度,钝角大于90度,此三角形不符合三角形的内角和定理；说法错误；B、三个角的和是180度,说法正确；C、一个直角两个锐角,说法正确；应选：A．20．解：根据三角形具有稳定性,可知四个选项中只有钝角三角形具有稳定性的．应选：B．21．解：将一张正方形的纸连续对折两次(有不同的折法) ,并在折后的纸(中|央)打一个圆孔,再将纸展开,得到下面不同的图形．请为下面的折法选择展开后的图形：展开后是；应选：D．22．解：根据分析可得,8.3里面有8300个千分之一．应选：D．23．解：这个三角形中的最|||大角是：180°÷2＝90°,90°的角是直角,有一个角是直角的三角形是直角三角形．应选：B．四．计算题(共2小题,总分值31分)60×16＝960770÷7＝110408÷4＝10250×60＝300096÷6 +60＝76 600÷3＝20018×40＝720400÷5＝80630÷7＝900÷5 +95＝95 25．解：(1 )47×29 +47×71＝47×(29 +71 )＝47×100＝4700(2 )92×99 +92＝92×(99 +1 )\＝92×100＝9200(3 )201×23＝(200 +1 )×23＝200×23 +23＝4600 +23＝4623(4 )125×16＝125×8×2＝1000×2＝2000(5 ) (20 +6 )×15＝20×15 +6×15＝300 +90＝390(6 )25×41＝25×(40 +1 )＝25×40 +25＝1000 +25五．操作题(共2小题,总分值6分)26．解：27．解：因为∠1 +∠2 +∠3＝180°,∠3 +∠4＝180°,所以∠1 +∠2＝∠4 ,∠2＝∠4﹣∠1＝110°﹣30°＝80°∠3＝180°﹣∠4＝180°﹣110°＝70°．故答案为：80、70．六．应用题(共6小题,总分值29分)28．解：62﹣25×2＝62﹣50＝12 (厘米)答：它的底边长12厘米．29．解：(1 )120×2.5﹣x×2.5＝300﹣2.5x (千米)答：这时大客车离乙地还有(300﹣2.5x )千米．(2 )当x＝80时300﹣2.5x＝300﹣2.5×80＝300﹣200＝100 (千米)答：大客车离乙地还有100千米．30．解：(180°﹣100°)÷2＝80°÷2＝40°答：它的底角是40度．31．解：18×300＝5400 (元)25×280 +15×(300﹣280 )＝7000 +300＝7300 (元)7300＞54007300﹣5400＝1900 (元)答：老板是赚了,赚了1900元钱．32．解：174÷1.5﹣56＝116﹣56＝60 (千米)答：乙车每小时行60千米．33．解：(240 +72 )÷8＝312÷8＝39 (千克)答：平均每天吃39千克。
2020-2021人教版数学4年级下册复学测试卷(含答案)
人教版四年级数学下册开学测试卷一、填一填。
(每空1分，共23分)1．( )减去176得239；185加上( )，得数是530。
2．把42＋49＝91，91÷7＝13，101－13＝88这三个算式组成一个综合算式是( )。
3．一个数由2个百、9个十、3个百分之一和7个千分之一组成，这个数是( )，把它保留两位小数是( )。
4．( )的小数点向右移动三位是80；将1.8缩小到它的( )是0.18；0.098的小数点先向左移动三位，再扩大到所得数的100倍是( )。
5．309800四舍五入到万位保留整数是( )，把61450000改写成用“亿”作单位的数是( )。
6．20吨20千克＝( )吨8.05米＝( )米( )厘米250平方厘米＝( )平方分米8.06千米＝( )千米( )米7．在（）里填上“＞”“＜”或“＝”。
2.4 t（）240 kg125－25×4（）100×45.668（）5.66808．一个三位小数四舍五入后是10.00，这个三位小数最大是( )，最小是( )。
9．一个由小正方体搭成的几何体，从前面、上面看到的形状都是，这个几何体至少是由( )个小正方体搭成的。
10．在一道有余数的除法算式里，被除数是378，商和余数都是14，除数是( )。
二、辨一辨。
(每题1分，共5分)1．甲数是97，比乙数的3倍多7，求乙数的算式是97×3＋7。
( )2．25×4÷25×4＝16 ( )3．0.045的计数单位是千分位。
( )4．小数的末尾添上“0”或去掉“0”，小数的大小不变。
( )5．大于3.24而小于3.30的小数只有5个。
( )三、选一选。
(每题2分，共10分)1．下列算式中，得数最小的是( )。
A．875－(35＋25×12)B. [875－(35＋25)]×12C. (875－35＋25)×122．一个几何体，从不同位置观察到的图形如下，这个几何体是( )。
牡丹江“PEP”2024年小学4年级下册第二次英语全练全测(含答案)
牡丹江“PEP”2024年小学4年级下册英语全练全测(含答案)考试时间：80分钟（总分:140）B卷考试人：_________题号一二三四五总分得分一、综合题(共计100题)1、听力题：The chemical formula for sodium hydroxide is _______.2、What is 15 5?A. 8B. 9C. 10D. 11答案:C3、听力题：We are having a ______ (picnic) this weekend.4、n Tea Party was a protest against the ________ (茶税). 填空题：The Brit5、听力题：The chemical symbol for gold is ______.6、填空题：My favorite _____ is a friendly little puppy.7、How many states are there in the United States?A. 50B. 48C. 52D. 51答案:A8、What is the main gas we breathe?A. OxygenB. Carbon dioxideC. NitrogenD. Hydrogen9、填空题：Roses are known for their beautiful ______. (玫瑰以其美丽的花朵而闻名。
)10、听力题：The chemical formula for vinegar is ______ acid.11、听力题：A gas produced in a reaction can often be seen as _____ bubbles.12、填空题：The hamster runs in its _______ (仓鼠在它的_______里跑).13、What do we call a group of fish?A. FlockB. SchoolC. PackD. Swarm答案:B14、听力题：A _______ is a tool that helps to determine the height of an object.15、听力题：Chemical reactions can be slow or _____.16、What do you call the study of plants?A. BotanyB. ZoologyC. EcologyD. Agriculture答案: A17、听力题：My friend plays ____ (basketball) every weekend.18、填空题：Playing with _________ (玩具枪) can be fun, but we must be _________ (小心的).19、What do you call the science of studying rocks?A. BiologyB. ChemistryC. GeologyD. Astronomy答案:C20、填空题：My sister is a _____ (作家) who writes fantasy novels.21、听力题：A __________ is a natural feature that can affect weather patterns.22、听力题：A ______ is a chart showing the arrangement of elements.23、听力题：The Great Wall of China is not visible from ______.24、填空题：I enjoy playing ________ (模拟游戏) where I manage my own farm. It’s a ________ (有趣的) challenge.25、听力题：The Voyager spacecraft have traveled beyond our ______.26、听力题：A compound is made of two or more different ______.27、填空题：The best place to be in a storm is ______ (室内).28、听力题：A chemical reaction can be endothermic or ______.29、填空题：I want to learn to ________ (制作陶器).30、What do you call a person who works on a farm?A. FarmerB. GardenerC. RancherD. All of the above31、填空题：The sound of rain is very ______ (放松).32、填空题：The ________ is very active and playful.We play _____ (basketball) after school.34、填空题：We visit our __________ on weekends. (祖父母)35、What shape has three sides?A. SquareB. CircleC. TriangleD. Rectangle答案:C36、听力题：The capital of Aruba is __________.37、What is the currency of the European Union?A. DollarB. EuroC. PoundD. Franc答案:B38、What is the name of the famous painting by Leonardo da Vinci?A. The Starry NightB. Mona LisaC. The Last SupperD. Girl with a Pearl Earring答案: B39、What instrument do you blow into?A. ViolinB. TrumpetC. GuitarD. Drum答案: B40、Which of these is a type of nut?A. AlmondB. PotatoC. AppleD. Carrot答案:A41、听力题：__________ help in breaking down dead plants and animals.A ______ contains minerals that can be economically valuable.43、填空题：Every Saturday, I visit my grandparents. They always have ________ (玩具) for me to play with.44、填空题：The __________ Pole is covered with ice all year round. (北极)45、What is the opposite of 'up'?A. DownB. LeftC. RightD. Across46、听力题：She is reading a ________.47、选择题：What is the largest land carnivore?A. LionB. TigerC. Polar BearD. Grizzly Bear48、填空题：Flowers come in many ______, such as red, yellow, and blue.(花的颜色有很多种，如红色、黄色和蓝色。
2024年09版小学四年级下册第二次英语第四单元全练全测(含答案)
2024年09版小学四年级下册英语第四单元全练全测(含答案)考试时间：100分钟（总分:100）B卷考试人：_________题号一二三四五总分得分一、综合题(共计100题)1、填空题：The ________ has a big smile and is very friendly.2、填空题：The chick hatches from an _______ (蛋).3、听力题：A food preservative can be an example of a(n) _______.4、填空题：I enjoy playing ______ on weekends.5、填空题：The assassination of ________ (肯尼迪) shocked the nation.6、What do we call a large-scale destruction caused by natural forces?a. Disasterb. Catastrophec. Crisisd. Emergency答案:b7、听力题：The _______ of a plant can affect its growth.8、听力题：The chemical formula for adipic acid is ______.9、填空题：My ________ (玩具名称) is a fantastic way to learn about nature.10、填空题：I love attending ______ (音乐会) to hear my favorite bands perform live.11、听力题：Astrobiology studies the possibility of ______ in the universe.12、听力题：The ____ is a small insect that can be found in many gardens.13、填空题：My neighbor has a ______ (宠物) snake that is very long.14、填空题：The _______ (小蜻蜓) catches insects in the air.15、填空题：My ________ (玩具名称) is a great partner in games.16、听力题：The lake is ___. (calm)17、填空题：I think it’s important to stay active and _______ (健康). It benefits both body and mind.18、What do we call the study of the behavior of animals?A. EthologyB. ZoologyC. PsychologyD. Anthropology答案: A. Ethology19、填空题：A rabbit has long ______ (耳朵).20、听力题：An island is a piece of land completely surrounded by ________.21、听力题：The __________ can influence weather patterns globally.22、What do you call the sound a cat makes?A. BarkB. MeowC. RoarD. Moo23、Which fruit is red and often used to make juice?A. BananaB. AppleC. GrapeD. Orange答案:B24、听力题：The process of ______ can alter the composition of rocks.25、听力题：Heliocentric models place the sun at the _______ of the solar system.26、填空题：I have a toy _______ that looks just like a real one.27、填空题：The beach is _______ (非常漂亮)。