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把下列句子改成被动语态

2023-08-03 22:18:03
共3条回复
okok云

Rare plants and wildlife are being destroyed by the cutting down of rain forests.

Huge amounts of farmland has been eatten up by the growth of cities.

The lives of people in many cities are being ruined by poverty and overcrowding.

A hole has been created in the ozone layer by the use of CFCs in products like hair spray.

Many more cases of skin cancer have been caused by the reduction of the protective ozone lyer.

蓓蓓

1. Rare plants and wildlife are being destroyed by the cutting down of rain forests

2. Huge amounts of farmland has been eaten up by the growth of cities

3. The lives of people in many cities are being ruined by poverty and overcrowing

4. A hole in the zaone layer has been created by the use of cfcs in products lijie hair spray

5. Many more cases of skin cancer has been caused by the reduction of the protective ozone layer.

贝贝

1 The rare plants and wildlife are destroyed by the cutting down of rain forests

2 Huge amounts of farmland has been eaten up by the growth of cities

3 The lives of people in many cities are ruined by poverty and overcrowding

4 A hole in the ozone layer has been created by

the use of CFCs in products lije hair spray.

5 Many more cases of skin cancer has been caused by the reduction of the protective ozone layer

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这儿ruining能改用ruin么

毁了的意思,ruining和rain是主动关系,所以用ruining
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粤语里烧焦的读音“烧窿(long)”,那个“窿”是不是来自英语的ruined?

我想不是吧,粤语和英文差挺多的波,本来就这么说的吧:)
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You are ruined everything 全让你搞砸了,为什么是被动语态

句子错了
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I got caught in the rain and my suit (has been ruined)句子中的has不应该是had吗,and前不是got过去吗

两个并列谓语前一个谓语, 陈述被雨淋caught in the rain 这个过去经历, 后一个谓语has been ruined陈述衣服被弄坏这个现在的事实, 逻辑上不冲突。
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I guess I ruined your day.对于这句话

现在完成时有两种用法1.过去发生的某一动作对现在造成的影响或结果或到现在为止已经发生或完成的动作。2.表示过去发生的、持续到现在的动作或状态。I guess 时间点是现在,所以用现在完成时不妥,一直在ruin别人的day么?说不通对吧。虚拟语气常跟从句,或者前后有相关联动词。你要说had ruined 外国人听得懂,但不太地道,因为had + 过去时 一般是做从句,主句是有过去时动词的。个人拙见,欢迎他人指正
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I got caught inthe rain and my suit _(ruin).

这里的got是系动词,相当于be动词,因此got caught其实也是典型的被动语态,and后面的短句也是被动语态,只不过省去了got,got ruined= was ruined,也是典型的被动语态。
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our+holiday+ruined,it+rained+for+two+hours这个句子对吗?

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A. seven more times B. seven times more C. over seven times D. seven times35. This is an exciting area of study, and one ____ which new applications are being discovered almost daily. A. from B. by C. in D. through36. As I"ll be away for at least a year, I"d appreciate ____ from you now and thentelling me how everyone is getting along. A hearing B. to hear C. to be hearing D. having heard37. Greatly agitated(激动的), I rushed to the apartment and tried the, ____ to find it locked. A. just B. only C. hence D. thus38. If I were in a movie, then it would be about time that I ___ my head in my hands for a cry. A. bury B. am burying C. buried D. would bury39. According to one belief, if truth is to be known it will make itself apparent, so one ____ wait instead of searching for it. A. would rather B. had to C. cannot but D. had best40. So involved with their computers _____ that leaders at summer computer camps often have to force them to break for sports and games. A. became the children B. become the children C. had the children become D. do the children become41. One of the requirements for a fire is that the material ____ to its burning temperature. A. is heated B. will be heated C. be heated D. would be heated42. Why this otherwise excellent newspaper allows such an article to be printed is ___ me. A. above B. outside C. beside D. beyond43. This book will show the readers ___ can be used in other contexts. A. how that they have observed B. that how they have observed C. how what they have observed D. that they have observed44. _____ your opinions are worth considering, the committee finds it unwise to place too much importance on them. A. As B. Since C. Provided D. While45. _____ the claim about German economic might, it is somewhat surprising how relatively small the German economy actually is. A. To give B. Given C. Giving D. Having given 46. Rebecca______ me earlier if she did not like her house she bought last month. A. told B. would tell C. had told D. would have told47. The world"s greatest sporting event, the Olympic Games, upholds the amateur that _____ matters is not winning but participating. A. anything B. it C. what D. everything48. It has been estimated(估计) that the earth"s surface temperature has increased _____ sone quarter to three quarters of a degree since 1850. A. to B. by C. at D. with49. Iceland lies far north in the Atlantic, with its northern most tip actually ____ the Arctic Circle(北极圈). A. touched B. touches C. touching D. being touched50. Colin married my sister and I married his brother, _____ makes Colin and me double in-laws. A. what B. which C. that D. it51. _____ I admit that there are problems, I don"t" think that they cannot be solved. A. Unless B. Until C. As D. While52. The place is an ideal site for a university ______ it is far from the downtown area. A. provided that B. now that C. so that D. in that53. He thought he could talk Mr. Robinson _____ buying some expensive equipment. A. on B. of C. round D. into54. Today the public is much concerned about the way ____. A. nature is being ruined B. which nature is ruined C. on which to ruin nature D. of nature to be ruined55. When I said goodbye to her, she _____ the door. A. saw me at B. set me off C. sent me to D. showed me to56. In the meantime, the question facing business is whether such research is ____ the costs. A. worth B. worth of C. worthy D. worthwhile57. The _____ runner can run 2 miles in fifteen minutes. A. common B. usual C. average D. general58. David likes country life and has decided to ______ farming. A. go in for B. go back on C. go through with D. go along with59. We should be able to do the job for you quickly, ____ you give us all the necessary information. A. in case B. provided that C. or else D. as if60. The detective and his assistant have begun to ____ the mysterious murder. A. look into B. see to C. make over D. come through 1-5 CAADC 6-10 BBDAC 11-15 BCADA 16-20ADDDB 21-25DBBAA 26-30BDBCC 31-35 ABCBC 36-40 ABCDD 41-45 CDCDB 46-50 DCBCB 51-55 DDDAD 56-60 ACABA 《易错题、难题、好题档案》由出国留学我精心为您学习英语准备.liuxue86.com
2023-08-03 19:01:201

Her display of bad temper completely ruined the party.

【答案】:C句意:她发的一通火把这个聚会彻底给毁了。ruin意为“瓦解,毁坏”。harm意为“损害,危害”;damage意为“损害”;spoil意为“使……扫兴,搞糟”;hurt意为“伤害”。
2023-08-03 19:01:281

Today the public is much concerned about the way____

A
2023-08-03 19:01:505

not only...but also...倒装的用法问题

第一个是对的
2023-08-03 19:02:053

高一英语题

这里应该这样理解,首先,get caught是一个词组,表示被雨淋湿了,get+动词的过去分词表示状态,那么get caught的一般过去式就是got caught,所以这里的got caught是表示过去的某一个时刻发生的,是一般过去时,不是过去完成时然后,再根据现在完成时的用法,其中一种是表示过去发生的某一动作对现在造成了影响,那么,过去被淋湿了,导致了现在衣服都湿透了,got caught,has been ruined
2023-08-03 19:02:153

一个选择题 请说明下为什么 歇息

在定语从句中 the way作先行词解释为“方法”而非“道路”时 ,其后+that ,in which,或者不加任何关系词三种情况都是对的。如果解释为“道路”时要视情况而定了。如 this is the way to which he led us 。这就是刚才他指给我们的那条路。希望能帮到您。
2023-08-03 19:02:304

帮我做几道英语填空。1 After the hurricane,mary(空)(see)that the roof of her house (空)(disappear)

turned found had ruined arrived took left finished had tried passed died had fallen had been flooded had been destroyed had been killed高一的不知道可不可以
2023-08-03 19:02:413

求高手帮助!!谢谢!

DDBBDCCBAB
2023-08-03 19:02:482

______, land may not be ruined.

b除非给予更好的照顾,否则陆地将被毁灭
2023-08-03 19:02:572

听觉的英文

听觉的英文hearing。例句:1、Once motion stops,hearing is impaired.一旦动作停止,听觉就失灵。2、His hearing is somewhat impaired.他的听觉已受到一定程度的损害。3、Hearing sensitivity declines with age.听觉因年老而衰退。4、A hearing aid helps to overcome defects in hearing.助听器有助于克服听觉缺陷。5、Vision and hearing are exteroceptive senses.视觉与听觉都是感受外界刺激的官能。6、The bells ruined his ears,and made them deaf.钟毁坏了他的听觉,使他两耳全聋了。7、She was quite deaf for a moment.她一时失去了听觉。8、They were perhaps the first great artists of the ear.他们或许就是听觉方面的最早的大艺术家。9、Hearing is only part of the story of my miraculous inner ear.听觉只是我的神秘内耳的故事的一部分。10、Joe"s hearing started declining almost the moment he was born.乔的听觉几乎从他一出生就开始减退了。11、Tactile and auditory stimuli provoke convulsions with opisthotonos.触觉和听觉的刺激可诱发惊厥和角弓反张。12、My voice tried to find the wind to touch her hearing.我的声音试着找寻风来碰触她的听觉。13、The relevance of acoustical principles is by no means limited to sound and hearing.声学原理并不仅仅适用于声音和听觉。14、Nothing slipped past his vigilant ear,or his comprehending mind.他的听觉非常灵敏,头脑反应很快,所以什么事都瞒不了他。15、To croft"s keyed senses,the sound echoed up and down the river.在克洛夫特高度敏感的听觉听来,那声音简直震动了小河上下。
2023-08-03 19:03:211

damage,destroy,ruin区别

ruin指把某件东西损害到不能再修理或使用的程度。现在多用于借喻中。例如:Your plans for a party will be ruined if you get sick.如果你病了,你的聚会计划就毁了。1.在程度上, destroy指十分彻底地破坏,而damage指并不彻底地破坏。2.在后果上, destroy指不能或很难修复了,而damage指不能发挥正常作用了。3.在对象上, destroy可接物,也可接人,而damage通常只用于非生物。4.在造成破坏的原因上, destroy多指不可抵抗的外界力量,而damage则常指因人的过失。例如:Many lives were destroyed by the earth- quake.这次地震造成许多人死亡。An explosion destroyed the engine. 一声爆炸把发动机毁坏了。
2023-08-03 19:04:061

if the rain 连续for a few more days,our crops will be ruined。 [

1.continues,句子意思是,如果大雨再多下几天,我们的庄稼就都被毁了。2.hesitation 句子意思是,一听到这个消息,他立马就前往医院看望他的朋友了。
2023-08-03 19:04:131

Sickness什么terrible weather, ruined the trip A agreed B connected C combined with

C疾病加上糟糕的天气,破坏了旅游的计划。希望回答对您有所帮助,请及时采纳,多谢!
2023-08-03 19:04:212

Our holiday were ruined by the weather;___have stayed at home.

D.We might do as well as we
2023-08-03 19:04:303

绮暄姐 问你个问题 有一首歌里面有很多sorry的英文歌 你能帮我找到是什么歌吗?

sorry sorry----SJM
2023-08-03 19:04:585

各位高手 你的帮助对我非常重要

汗,俺自己4级都没过去
2023-08-03 19:05:234

你在你的日常生活中很依赖电脑吗举例子写一篇英语作文儿

As the economy develope,that evey desk in the office has a computer has not been a fresh thing.Nowdays,more and more officers use the computers. It seems that the computers play an improtant part of it.Firstly,people use computer programmes such as word,excel to type the documents and store the datas .Secondly,it helps us a lot to communicate with others.Because of it,we can get in touch with people in a matter of second even they are thousands distances away from us! What"s more,we can have a meeting togeter by using the computer. But what I have to mention is that we can"t rely the computers too much.It sometimes also do harm to us.For example,many workers may be addicted to the computers during their work,which as result that they are not work hard enough.In addition,the computers also have radiation that is not good to our health.
2023-08-03 19:05:171

工科生的优势和劣势分别是什么?

一、工科教育过度“理科化”问题确实存在从报道中可以看出,不论是学生、教师还是用人企业,都反映出当前工科教育存在过度强调理论教学、忽视工程实践的问题。学生理论联系实际不足,教师注重论文轻视实际工程,导致毕业生无法适应企业需求。“工科理科化”不仅体现在课程设置上,也反映在教师培养和评价机制中。二、“理科化”有其历史积淀,但应警惕简单否定理论教学报道提到改革开放以来,受国外影响,中国工程教育逐渐向理论化倾斜。这既有历史原因,也与长期强调科研成果有关。但是,工科基础理论仍然不可或缺,过度拔高实践也有失偏颇。改革不能否定理论教学,而要实现理论教学和工程实践的有效统一。三、完善课程体系,强化理论与实践的结合当前应调整工科课程体系,合理设置理论课程的比例和进度,增加设计、项目实训等实践课程,加强理论联系实际。重视培养学生的系统设计和解决实际工程问题的综合能力。将实习、毕业设计融入到教学过程中,而非仅作为教学后的应用环节。四、深化校企合作,发挥企业在人才培养中的主体作用加强产学研合作,真正形成校企合力培养人才。发挥企业在制定培养方案、提供实训条件、共同指导项目等方面的主体作用。探索与企业联合设计课程体系的长效机制,使教学更贴近产业需求。五、转变教师观念,调整教师评价体系教师评价应强调产学研合作成果和解决实际工程技术问题的贡献,而不仅注重论文数量。需要营造鼓励教师投身实际工程创新的环境。要有耐心,而非一蹴而就。六、政府应营造鼓励改革的环境政府相关部门应转变只看重科研成果的思维,为学校改革提供政策支持和资金保障。与企业共同推动形成以市场需求为导向的新评价机制。综上,“理科化”固然需警惕,但改革更需要理性态度,在继承工程教育传统基础上,调整课程体系,深化校企合作,逐步探索一条中国特色的工程教育发展道路。这需要各方共同努力,才能根据经济社会需求培养高质量创新人才。
2023-08-03 19:05:171

白夜行——主旨和节奏的Masterpiece

说来惭愧大学图书馆中日本推理小说很多,也废寝忘食地读了几本,只是没有碰过东野圭吾的,第一次读他的书是几年前读的《解忧杂货铺》,最近才在机缘巧合之下,读了这位大师妙手偶得的《白夜行》。东野圭吾的文笔细腻不拖沓,表情,声音,惟妙惟肖,但是绝不多余。出众的文笔加上大师级的节奏让这本书成为名作,而主旨不落俗套则让其升华成巨匠杰作。《白夜行》全书35万字,以刑案开头,按照我看过的刑案书,无非是伏笔深刻,出人意表,但是节奏都是一章紧过一章,一节深过一节。只是白夜行第一章结束时候,貌似,那个刑案戛然而止。每一章的开头都与之前间隔数年,每一章第一个出现的人物都让我们怀疑,自己的推断是不是错了。其实我最初就有一个预感,这个预感在本书三分之一处才出现了一点点端倪,而最终结局完全印证了我的猜想。但是,在二分之一之前我不断怀疑自己。第一章结束,我仍下书去看电视剧,第二章结束,有两天不读。就这样,我如同一个被牵线的木偶一样被大师的节奏操控着。煎熬,读这本书没有普通悬疑小说的那种酣畅淋漓,憋着不去厕所,吃着饭还要打着书,不到最后真相大白的一刻,不会撒手。事实上每一章结束,下一章的开头都味同嚼蜡,很难读下去。时代的特点,汽车时代的全盛,计算机从出现到普及,体育的各种事件,穿插其间,让《白夜行》的空间跨度更大,让整本书在一个不朽主题的贯穿之下,显得愈发本质而无奈。每一本日本的推理小说都是那么优秀,然而紧张和惊叹之余,又有多少能够留下让人回味的东西呢?“白夜行”三个字是文章的主旨的生动表达,也是所有艺术作品的主题,只不过,放在这个故事之中,是让人心酸的感觉。推理小说能把悬念之外的东西,渲染地如此瑰丽,远非泛泛之作可比。似绝未绝,结尾把大部分谜团解开,同时也让我们对之后,和对以前的一些细节,产生无限的遐想。本文几乎无剧透,真不容易!
2023-08-03 19:05:171

桃子的英文在什么时候学的?

一般来说,学习英语时,孩子们最开始接触到的是一些日常生活用品的名称,包括水果、食物、动物和日常用品等。桃子的英文名是“peach”,这是孩子学习英语的早期阶段之一。很多学校和英语课程都会把这些生活用品的名称作为教学内容,让孩子们更加熟悉和熟稔生活的环境和事物。后续课程通常会逐渐引入更多的英文单词和语法规则,以帮助孩子更加深入地学习英语,从而得以更好地掌握英语语言的技能和能力。
2023-08-03 19:05:204

约客这首诗表达了诗人怎样的思想感情

《约客》是赵师秀的著名作品.该诗写的是诗人在一个风雨交加的夏夜独自期客的情景.诗歌采用写景寄情的写法,表达了诗人内心复杂的思想感情.
2023-08-03 19:05:131

什么是工科?

根据智联招聘最新报告,2023年应届毕业生中,来自工科专业的获聘比例遥遥领先于其他学科,达到56.9%。火热的数字背后,却依然难掩工科人才供需错配的困局。去年,尹英从国内某重点高校工业设计专业本科毕业后,供职于国内一家头部车企,如今,他每天的工作是测试新车的性能。他对《中国新闻周刊》说,学校的培养更注重学生的理论基础和思维方式,但这对于他这样本科毕业直接就业的学生帮助很小。在他看来,学校的每一门课程“留给学生思考和总结的时间特别少”,学生很难有足够时间去发现并解决实际问题。他认为,大学的一些培养内容脱离实践太远,“我现在的工作能力大都是自学得来的”。王连是某能源企业的高级工程师,站在企业角度,他对《中国新闻周刊》坦言,现在工科毕业生对工程的接受度、认知以及实际动手能力都太弱了,研究生的综合能力也就相当于上世纪八九十年代一个工科本科生的水平。“我们一般不招应届本科毕业生,因为好几年都成长不起来,除非他已经在相关领域有三到五年的工作经历。真正适配我们的工程人才很稀缺。”今年3月,多位中国工程院院士和包括曹德旺在内的数名企业家联名发文,呼吁扭转工程人才培养中的“工科理科化”现象,例如,教师宁愿或不得已在黑板上教修机器、教盖房子,也不愿或无法下车间、下工地去解决工程中的实际问题。本科生实践机会少,实践多停留在企业参观层面。文章称,如果不解决“屈从论文、难下工厂”的问题,“中国制造”极可能遭遇大面积空心化。“只会纸上谈兵,也更喜欢纸上谈兵”今年3月25日,在深圳举行的“首届南科大新工科教育论坛”的会场里,纪阳感受到现场的火药味。在企业家与校长对话环节,有企业家站起来说,企业招不到合适人才背后,有工程教育的问题。“当时就引发很多高校老师的讨论,有很多碰撞,有人提到‘工科理科化"这一概念和3月10日发表的联名文章。”3月25日,“首届南科大新工科教育论坛”现场。供图/南科大纪阳是北京邮电大学信息与通信工程学院教授,也是国内信息技术新工科产学研联盟的理事,长期思考工程教育改革问题。他对《中国新闻周刊》指出,“工科理科化”最主要的表现是工科课程体系“理科化”,重理论、轻实践的特征突出。他介绍说,目前,国内工科本科生的课程体系一般是:大一公共基础课,大二专业基础课,大三专业课,大四除专业课外还需要下厂实习、做毕业设计,即先系统性地学习理论,到大三开始动手实践,大学后半段才建立起较为系统的工程认知。此时,学生即使在实践中意识到自身能力或知识方面的不足,也来不及补救。到大三大四,学生开始准备考研、出国和考公,无法真正把时间用于工程实践上。纪阳分析说,这种教学安排下,学生大一、大二阶段课程中的理论知识量比较大,依赖短期记忆、通过考试拿到学分的学生,三个月左右就会将前一学期的大部分课程知识忘掉。当他们大三、大四寻找这些知识的用途时,早已忘得干干净净。“很多学校甚至鼓励学生从大一大二就开始准备考研,工科考研侧重基础理论,不考察动手实践能力,进一步加剧了理科化趋势。”纪阳说。对大多工科专业学生来说,大学期间,金工实习和进厂实习是少有的实践机会。已本科毕业两年的胡鸣曾就读于国内某重点理工类大学的化工工程与工艺专业。他对《中国新闻周刊》说,大二上一门金工实习课,就在校内的一栋楼里“下厂”,每周花一天时间,上午理论培训,下午实际操作,实操既有传统金工实习要接触的车床、铣床和电焊,也有3D打印、激光雕刻等。但胡鸣觉得,这些实习更多是体验式的,对真正提高实践能力没太大帮助。这些训练和其他化工课程没有任何内在衔接,以后很难运用到化工行业。大四时,胡鸣去山东一家化工原料厂实习,与金工实习相比,这次是真正的“下厂”。10天左右时间,胡鸣每天上午坐在会议室里开几小时会,听讲企业文化、化工工艺和安全注意事项,午饭前两小时是每天进入车间一线的仅有机会,但只是走马观花式的参观,“边走边听工厂负责人的讲解,和领导视察一样”。“为什么一定要穿上工作服去到车间,亲自动手操作?因为学生只有自己动手去设计、拆装一个实物,真正参与实际生产流程,才能意识到理论与实践之间都有哪些差距。”东南大学机械工程学院教授、教务处处长殷国栋对《中国新闻周刊》解释说。他认为,实践能力对工科之所以重要,是因为可以通过动手培养学生的工程思维,这是一种发现问题、解决问题的能力,是一种系统性的思维方式。殷国栋明显感觉,近几年,工科生的研究能力越来越停留在“仿真层面”,从海外回来的高级别人才也是如此。“他们用软件去做仿真计算都很好,但面对解决企业的实际问题时,可能会束手无策。”5月24日,辽宁沈阳市的一所高校,学生们在实训车间进行实操。图/视觉中国倒退回30年前,一位参与签署联名文章的企业家对《中国新闻周刊》回忆,其本科实习时要完成两个任务:自己做一个收音机;把原始铁块“转化”成一个六角螺母。现在回想起来,这一过程中要解决的问题有很多,机械的、构图的、设计的、精度的……他最重要的收获,是逐渐学会尊重工程。在一项2005年由北京交通大学与联合国教科文组织合作开展的“中国产学合作”研究中,北京交通大学教授查建中等人指出,上世纪50~80年代,工科教育与产业的合作完全由政府有关部门通过下达指令来完成。随着改革的推进,学校无法再依靠政府的指令来安置学生实习,工科学生的产业实习受到很大冲击。2000年左右,全国对教育体制进行新中国成立以来第二次大的调整,将所有政府工业部门所属院校划归中央和地方教育行政部门管理,结束了长期存在的产业办教育分工不明确的局面,但这种归属权的转变也可能在一定程度上消弱原部属高校与产业的天然联系。“现在中国工科教育的很多问题,根源可以从历史中去找,校企合作不能建立在行政命令上,长期的制度惯性让一些高校很难主动与企业联系。另一方面,改革开放后,受美国影响,‘重科学轻工程"的思维开始流行,多种因素下,中国高等工科教育与实践脱节的情况越来越严重。”一位不愿具名的中国工程教育专家对《中国新闻周刊》说。朱高峰是中国工程院院士,中国工程院首任常务副院长,从20世纪90年代以来,长期研究工程教育。他对《中国新闻周刊》指出,改革开放以后的一段时期内,中国工业的技术发展主要靠引进,但实际上引进的程度很浅,多数企业做不到引进后消化、吸收和再创新,因此,对于“能解决产业真实问题的高技术人才”,企业当时的需求并不迫切。但现在,中国已经进入新工业革命时代,很多“卡脖子”技术难题需要自己解决,对于高校输送人才的创新能力,企业自然要求越来越高,“工科理科化”的问题更加凸显。前述企业家说,他现在最担忧的是:“工科理科化”不仅让学生养成了远离工程、不爱动手的习惯,更糟糕的是,他们还丧失了对工程的兴趣,不仅只会纸上谈兵,也更喜欢纸上谈兵。“我发现,我遇到的很多90后、00后都显露出一个共性:喜欢做软件,不愿做硬件,而且觉得写论文、做模型更高大上,工程实践就相对低级。”他对《中国新闻周刊》说。一边是企业对工科人才的要求越来越高,另一边是工科人才培养和市场需求的脱节,越来越多的学生在“逃离工科”。胡鸣发现,身边很多同学大二大三就计划转行去金融或者法律等专业。7月6日,在国务院新闻办举行的发布会上,教育部部长怀进鹏说,教育教学和学科设置、结构要不断适应经济社会发展。既要保证匹配度,又要适度超前,这对高等教育结构、区域教育调整和布局提出了新要求。“屈从论文,难下工厂”“从前,教师在织布机上教织布,如今却变成在黑板上教纺纱。”2022年5月,中国工程院院士、武汉纺织大学校长徐卫林在《从师资源头破解工科理科化》一文中这样形容。不仅学生存在“工科理科化”问题,在教师中间,这一现象更加严重。徐卫林指出,“工科理科化”最明显的表现,是教师用理论科学的方法解决工程问题,重视论文发表,忽视实践创新,导致学生的就业能力很难满足企业需求。此外,工科教师研究的项目很少来源于企业,导致人才培养“理科化”。为何会如此?公开报道中,较早提到“工科理科化”这一概念的是南京林业大学化工学院教授林中祥,2014年,他发表文章评论身边教师中愈演愈烈的“论文热”。他指出,随着SCI论文越来越值钱,目前已经成为高校考核大学教师的最重要的内容,工业项目在强大的论文与项目数面前,不堪一击。前述企业家感觉到,大约2013~2015年间,这种“工科理科化”的趋势越来越明显。“原因很简单,因为同一时期高校卷论文的现象越来越严重。”他分析说。为了追赶国际前沿科研水平,提高中国科学的影响力,从1990年起,国内高校开始为学者发表国际论文“按篇计价”,影响因子越高的期刊,奖金越多,论文狂热在21世纪的第二个十年达到最高点。因此,纪阳指出,20年前老一辈高校教师并没有“屈从论文,难下工厂”的问题,但如今该问题却日益突出。多位受访教授反映,这些年引进的工科海外青年人才多数从来没动过手,会写论文,但一遇到企业实际问题,就一头雾水。指挥棒的导向下,敢于啃“硬”骨头的老师越来越少。西安交通大学微电子学院教授桂小琰主要从事高速有线通信和无线通信集成电路设计方向的研究,属于高速模拟和射频高端芯片研发领域。他对《中国新闻周刊》解释说,芯片研究领域科研和发表论文周期长、难度大,且影响因子较低。无法大量产出高水平论文意味着晋升受限、申报国家自然基金获资助可能性降低,就更无法开展科研和发表论文,恶性循环。除此之外,高端芯片领域教师即使发表论文,影响因子也无法和理科及材料等专业相比,在固态电路、微波技术等芯片相关的主要领域,期刊影响因子最高也只在6左右,最低的还不到3,“如果仅从影响因子的角度来评判科学研究的价值和影响力,则根本不在一个起跑线上”。2018~2021年,教育部、科技部等多部委出台了一系列政策想要改变“唯论文”趋势,提出要“破五唯”。自2017年国家新工科建设启动以来,高校改革的一个重要内容,就是让教师考核和评价体系更贴近工科特性。殷国栋所在的东南大学,近几年机械工程学院招聘青年人才,答辩时更看重综合能力,以及是否和产业有过“真金白银”的合作,有没有帮产业解决真问题、推动产业化落地,“这些倾向性越来越强”。但多位专家指出,这其中有一个绕不开的矛盾,“双一流”高校在招聘人才时都有一个很高的基线,尤其针对学历背景和科研成果,要想达成这些条件,本身就意味着应聘者此前在“理科化”环境中做得很好。因此,评价体系的改革是个系统问题,一些局部的微调无法撼动全局。记者查阅多所以理工类学科为特色的“双一流”高校教师考核办法发现,不少高校虽然提出“对从事应用研究的教师主要考察创新性的技术贡献、经济社会贡献和行业影响”,但实际积分中,论文积分比例一般仍远远大于专利。以南京某高校为例,在三大顶刊上发表论文,一作一篇计2000分,二作是900 分,三作是400分,但最高级别的国际专利一项只有300分,普通专利是80分。科研项目类别中,可转化成积分的主要是国家重点研发计划、重大科技专项、国家自然基金等,没有校企合作项目。也就是说,变化的确在发生,但根本的改变还没有出现。专家指出,探究“工科理科化”背后的原因,不能仅看高校内部,还要考虑校际竞争以及高校与社会、政府间的互动。高校很看重大学排名、教育部的“双一流”评选和学科评估,因为直接关系到资源分配与高校的存亡,而这些评估目前还是以“科研为中心”。“只要总的指挥棒还是趋于理科化方向,高校就不敢真的改。从高校到院系到教师,再到博士、硕士和本科生,所有人都围着这个指挥棒转,但很少见到什么指挥棒,是引导老师和学生下工厂解决实际问题的。”纪阳说。西安交通大学教务处副处长、未来技术学院副院长兰剑对《中国新闻周刊》说,重构评价体系的关键,不仅是具体指标怎么重新设置,更重要的是弄清楚评价主体到底是
2023-08-03 19:05:101

今天的成功是因为昨天的积累,明天的成功则依赖于今天的努力 英文翻译 急!!!!

Today"s success is the accumulation of yesterday, tomorrow"s success is dependent on the efforts of today, success requires a processThe sentence tells us that every day"s efforts are vital, success is gained by accumulation, no one can be successful at a draught, every day should be provided a schedule for the next day, we are all mortal, but even if we are a snail, hard, as we can see the top of the pyramid is the most beautiful scenery, so come on, let"s work for tomorrow"s success
2023-08-03 19:05:091

什么是泡沫灭火器?

泡沫灭火器原理(用化学方程式表示)如下:泡沫灭火器灭火时,能喷射出大量二氧化碳及泡沫,它们能黏附在可燃物上,使可燃物与空气隔绝,达到灭火的目的。可用来扑灭木材、棉布等燃烧引起的灭火。泡沫常被用在B类火之上,亦可用在A类火。通常泡沫灭火剂是水加入泡沫剂,令泡沫能浮在燃烧中的液体之上,隔绝火及燃烧表面。普通泡沫可用在非极化燃料如汽油之上,但用在极化液体如酒精或甘油则可能会过快分解而失效。储存大量极化易燃液体的地方要使用特别之酒精泡沫。扩展资料:特点1、洁净环保:由于采用洁净水和添加环保型泡沫灭火剂,灭火时无毒、无味、无粉尘等残留物,不会对环境造成次生污染,不破坏大气臭氧层。2、使用方便:在灭火过程中喷射出的水雾能见度高、能够降低火场中的烟气含量和毒性,有利于人员疏散和消防人员灭火、人人都可以使用。
2023-08-03 19:05:041