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GJY-T-4轨道检查仪数据采集分析系统使用说明书成都四方瑞邦测控科技有限责任公司ChengDu SiFang Railway-helper Observe And Control Science Co.,LtdCopyright ? 成都四方瑞邦测控科技有限责任公司中南大学交通装备研究所成都四方瑞邦测控科技有限责任公司 Tel (Fax): 86-28-87075088ChengDu SiFang Railway-helper Observe And Control Science Co.,Ltd 概述 ..................................................................... ........................................................................ .................... 2 使用注意事项 ..................................................................... ........................................................................ ..... 2 仪器连接说明 ..................................................................... ........................................................................ ..... 2 程序主菜单界面 ..................................................................... .........................................................................3 系统服务界面 ..................................................................... ............................................................................. 3 状态监测界面 ..................................................................... ........................................................................ ..... 4 记录资料界面 ..................................................................... ........................................................................ ..... 4 系统设置界面 ..................................................................... ........................................................................ ..... 6 传感器标定选择界面 ..................................................................... .................................................................. 6 传感器零点标定界面 ..................................................................... .................................................................. 7 资料设置 ..................................................................... ........................................................................ ............. 8 日期、时间设定界面 ..................................................................... .................................................................. 9 设置标准界面 ..................................................................... ........................................................................... 10 格式化存储器界面 ..................................................................... .. (10)系统设置查看界面 ..................................................................... .. (11)轨道检查参数输入界面 ..................................................................... ............................................................ 11 轨道检查界面 ..................................................................... ........................................................................ ... 12 电源电压低提示界面 ..................................................................... ................................................................ 16 关闭系统界面 ..................................................................... ........................................................................ ... 17 电源充电 ..................................................................... ........................................................................ .. (17)1成都四方瑞邦测控科技有限责任公司 Tel (Fax): 86-28-87075088ChengDu SiFang Railway-helper Observe And Control Science Co.,Ltd 本系统包含机械和电气两部分，这里介绍的是电气部分的使用。

小学三年级下册英语第4单元期末试卷(答案和解释)英语试题一、综合题(本题有50小题，每小题2分，共100分.每小题不选、错误，均不给分)1.My father _______ (read) the newspaper every morning.2.Which of these is a time of day?A. NoonB. CarC. DogD. Table3.Which of these is a type of tree?A. OakB. DogC. CarD. Table4.They _______ (not) watch TV in the evening.5.He _______ (like) to play video games.6.Tom and his family are going to the beach for a holiday. They will spend the whole day at the __________. Tom plans to __________ on the sand while his sister, Lily, will build a sand __________. Their parents will relax under the __________ and read books. In the afternoon, they will swim in the __________.7.Yesterday, I ______ (go) to the zoo with my family. We ______ (see) many animals, including lions, elephants, and monkeys. I ______ (take) lots of pictures, and my little brother ______ (like) the giraffes the most. After visiting the animals, we ______ (eat) lunch in the zoo café. It ______ (be) a very fun day.8.Which of these is a pet?A. TigerB. ElephantC. DogD. Lion9.What is the English word for "水"?A. MilkB. CoffeeC. TeaD. Water10.Which of these is used for writing?A. SpoonB. PenC. PlateD. Fork11.What do you call the person who fixes cars?A. TeacherB. MechanicC. PilotD. Cook12.What time is it if the clock shows 3:00?A. It’s noon.B. It’s morning.C. It’s afternoon.D. It’s 3 o’clock.13.Every morning, Lily __________ (wake) up at 7:00 AM. She __________ (brush) her teeth, __________ (eat) breakfast, and __________ (get) dressed for school. She__________ (take) the bus to school and __________ (arrive) just in time for class. 14.My friend ______ (play) the piano very well. He ______ (practice) every day after school. Yesterday, he ______ (play) a beautiful song at the school concert. Everyone______ (clap) for him. I ______ (hope) I can play the piano as well as him someday.15.Which one is used for writing?A. PencilB. PlateC. SpoonD. Hat16.What is the capital of England?A. ParisB. LondonC. New YorkD. Berlin17.What is the plural of "child"?A. ChildsB. ChildrenC. ChildernD. Childes18.Which of these is used to cut food?A. KnifeB. ForkC. PlateD. Spoon19.Every Saturday, I ______ (go) to the market with my mother. We ______ (buy) fresh fruits and vegetables. After we ______ (finish) shopping, we ______ (have) lunch at a small café nearby. I always ______ (enjoy) spending time with her.20.What do we use to cut food?A. KnifeB. SpoonC. PlateD. Fork21.We _______ (eat) lunch at 12 o’clock.22.She __ going to the park.A. isB. areC. amD. be23.My __________ is a very __________ person. He always helps me when I need it. He works as a __________ and takes care of __________. On weekends, he likes to__________ in the garden and relax. I love my __________ because he makes me feel happy and safe.24.Which one is a pet?A. DogB. TigerC. LionD. Elephant25.She _______ (not, like) to do homework.26.My dad __________ (1) a big dinner for my birthday. He __________ (2) chicken, vegetables, and cake. We __________ (3) the table with candles and flowers. After dinner, we __________ (4) a game and __________ (5) songs. I __________ (6) a wonderful time with my family and friends.27.It __________ (rain) heavily yesterday, so I __________ (stay) at home all day. I__________ (watch) my favorite TV show and __________ (read) a book. In the evening,I __________ (help) my mother with the housework. It __________ (be) a relaxing day.28.My family ________ (go) to the mountains every summer. We ________ (enjoy) hiking and ________ (pick) wildflowers. This summer, we ________ (plan) to visit a new mountain. I ________ (look) forward to it very much.29.I _______ (be) at home yesterday afternoon.30.Which of these is used to measure temperature?A. ThermometerB. RulerC. ScaleD. Clock31.Yesterday, I __________ (help) my mom in the kitchen. We __________ (cook) a delicious dinner together. First, we __________ (prepare) the vegetables, then we__________ (boil) some rice. I __________ (set) the table while my mom __________ (finish) cooking. After dinner, we __________ (clean) the kitchen.32.What do you use to write on paper?A. BrushB. PencilC. MarkerD. Ruler33.Which one is a shape?A. TriangleB. SpoonC. KnifeD. Plate34.She _______ (sing) a song in the concert last night.35.My brother ________ (be) very good at math. He ________ (solve) difficult problems every day. Last week, he ________ (win) the math competition at school. We all ________ (feel) proud of him.36.Which word is a fruit?A. CarrotB. AppleC. PotatoD. Onion37.Which of these is an animal?A. TreeB. DogC. CarD. Book38.I’m learning how to play the guitar. I practice every day for 30 minutes. My guitar is blue, and it has six strings. I can play some simple songs, but I want to learn more difficult ones. My teacher says I’m improving, and I feel happy about it.39.They _______ (play / plays / played) the piano very well.40.Which of these is used to eat food?A. ForkB. SpoonC. KnifeD. Plate41.We _______ (not) have PE class on Fridays.42.Which one is correct?A. I am a teacher.B. I are a teacher.C. I be a teacher.D. I teacher am.43.Which season is the coldest?A. SpringB. SummerC. FallD. Winter44.Which is a primary color?A. PurpleB. GreenC. BlueD. Orange45.Which animal is known for its shell?A. DogB. TurtleC. CatD. Rabbit46.I ______ (always) ______ (help) my mom with the housework. Today, I ______ (clean) my room, and my brother ______ (sweep) the floor. Last weekend, we ______ (decorate) the living room with new curtains. My parents ______ (be) very happy with our work, and they ______ (buy) us some ice cream as a reward.47.Which one is a bird?A. DogB. FishC. ElephantD. Eagle48.Lily is at the beach with her family. They bring a big __________ to sit on. Lily loves building __________ in the sand, and her brother enjoys swimming in the__________. After they have fun, they eat some ice cream and feel very __________.49.Which one is used for writing?A. BookB. PenC. ChairD. Table50.She is taller _______ me.A. thanB. thenC. fromD. to (答案及解释)。

小学上册英语第4单元期中试卷(有答案)英语试题一、综合题(本题有100小题，每小题1分，共100分.每小题不选、错误，均不给分)1.The playground is ___ (fun) to play in.2.She has a red ______ (backpack).3.isthmus) connects two larger land areas. The ____4.My grandma loves to play ____ (board games) with us.5.We have a ______ (快乐的) time during family gatherings.6.The _____ (种植) of new trees helps improve air quality.7.I want to learn to ________ (制作陶器).8.In conclusion, spring is a wonderful season full of ______ and joy. I can't wait for it to come every year!9. A __________ is an area of land that is very mountainous.10.The __________ (历史的塑造) is a continuous process.11.What is the smallest continent?A. AfricaB. AsiaC. AustraliaD. Europe答案: C12.How many months are there in a year?A. 10B. 12C. 14D. 16答案:B 1213.The Earth's crust is thinner under ______ than under oceans.14.They sing ___ (songs/poems).15. A solid has a _____ shape and volume.16.I have a _____ (计算器) for math class.17.Kinetic energy is energy of ______.18.I like to _____ (pick) fruits from the trees.19.The ________ is a small bird that sings sweetly.20.Gardeners should be aware of the specific ______ needs of their plants. (园丁应该意识到他们植物的具体需求。

T型梁的水平运输安全技术规定T型梁是一种常用的结构钢材料，其水平运输需要遵循一定的安全技术规定，以保障运输过程中人员和设备的安全。

以下是T型梁水平运输的一些安全技术规定：1. 运输车辆要符合相关标准，具备正常运输能力和安全保障设备，如装载能力、制动系统、轮胎状况等应达到规定标准。

2. 在运输前要检查T型梁和固定装置是否完好，确保其结构牢固、无锈蚀、无裂纹等问题。

3. 运输过程中要保持T型梁平稳，避免剧烈颠簸和碰撞，以免对T型梁造成损害。

4. 在装卸过程中应使用专用的起吊设备，确保T型梁被均匀且平稳地吊起和放下，避免摆动和偏移。

5. 若T型梁长度较长，需要采取措施切割和拼接，并要对焊接缝进行质量检测和验收，确保焊接质量可靠。

6. 运输过程中应加强对T型梁的监控，注意检查固定装置的牢靠性，防止因运输过程中松动而造成意外。

7. 运输过程中应遵守交通规则，速度适中，避免急刹车和急转弯，以免T型梁发生滑移或破损。

8. 在运输途中要及时处理突发情况，如异常噪音、悬挂故障等，确保及时解决问题，防止产生危险。

以上是T型梁水平运输的一些安全技术规定，具体要根据具体情况进行合理应用，保障运输过程中的安全。

T型梁的水平运输安全技术规定（2）主要包括以下几个方面：1. 选择合适的运输车辆：根据T型梁的总重量、尺寸和形状等特点，选择合适的运输车辆。

车辆应具备足够的承载能力和稳定性，确保梁体在运输过程中不会超载或倾倒。

2. 绑扎固定：在将T型梁装车时，应使用合适的绑扎装置将梁体牢固地固定在车辆上，防止在运输过程中发生滑动、倾斜或松动等情况。

绑扎装置应符合相关标准，并经过专业人员正确使用。

3. 车速控制：在水平运输过程中，车辆的行驶速度应根据路况、装载情况和运输距离等因素进行合理控制。

过高的速度会增加梁体受力和振动的风险，过低的速度会导致运输效率低下。

4. 路线选择：选择合适的运输路线，避开坡度陡峭、弯道多或路面不平整的路段，尽量选择平坦、宽敞、平整的道路。

人教PEP版英语四年级下册Unit 4《At the farmt》（At the farm）说课稿一. 教材分析《人教PEP版英语四年级下册Unit 4 At the farm》是一篇以农场为主题的学习单元。

本单元主要通过介绍农场中的动物和颜色，让学生掌握有关动物和颜色的基本词汇，同时学习一般疑问句和回答。

教材内容丰富，插图生动有趣，激发学生的学习兴趣。

二. 学情分析四年级的学生已经具备了一定的英语基础，能够听、说、读、写一些简单的单词和句子。

但是对于动物和颜色的词汇，部分学生可能还比较陌生。

此外，学生的学习兴趣和积极性需要被激发和保持。

三. 说教学目标1.知识目标：学生能够掌握农场动物和颜色的词汇，如cow, horse, pig,hen, tractor, white, black, yellow等。

2.能力目标：学生能够用英语简单描述农场中的动物和颜色。

3.情感目标：培养学生热爱大自然，关注动物的情感。

四. 说教学重难点1.重点：农场动物和颜色的词汇，以及一般疑问句和回答。

2.难点：一般疑问句的构成和运用，以及颜色词汇的搭配。

五. 说教学方法与手段1.教学方法：采用情境教学法、游戏教学法和交际教学法，让学生在轻松愉快的氛围中学习英语。

2.教学手段：利用多媒体课件、图片、实物等辅助教学，提高学生的学习兴趣和参与度。

六. 说教学过程1.热身（5分钟）：通过唱英文歌曲《Old MacDonald Had a Farm》激发学生的学习兴趣，复习 farm 相关的词汇。

2.引入（10分钟）：展示农场图片，引导学生说出他们认识的动物和颜色。

3.新课呈现（15分钟）：通过多媒体课件，展示农场动物和颜色的词汇，引导学生跟读和学习。

4.练习（10分钟）：分组进行角色扮演，让学生用英语描述农场中的动物和颜色。

5.巩固（5分钟）：玩“找出不同”的游戏，让学生在游戏中运用所学知识。

6.总结（5分钟）：对本节课所学内容进行总结，强调一般疑问句的构成和颜色词汇的搭配。