六级piaget argued that once adolescents enter the world of work, their newly acquired ability to form hypotheses allows them to create representations that are too ideal.

皮亚杰认为，一旦青少年进入工作世界，他们新获得的形成假设的能力使他们能够创造出过于理想的表象。

2016年6月六级真题（第三套）阅读 Section A

六级Yet once they start growing, such plants seem not to retain the ability to hit the pause button on metabolism in their stems or leaves.

然而，一旦这些植物开始生长，它们似乎就不能保持在茎或叶中按代谢暂停按钮的能力。

2018年6月六级真题（第一套）阅读 Section B

六级It had, apparently, been fished out of existence; and the once mighty Newfoundland fleet now gropes about frantically for crab on the sea floor.

很明显，它已经不存在了；曾经强大的纽芬兰舰队现在疯狂地在海底搜寻螃蟹。

2016年6月阅读原文

六级About once a week, I have a client that will bring up a new certification I've never even heard of and I'm in this industry, said Kevin Wilhelm, chief executive officer of Sustainable Business Consulting.

可持续商业咨询公司首席执行官凯文·威廉（Kevin Wilhelm）表示：“大约每周有一次，我的客户会提出一份我从未听说过的新认证，我是从事这一行业的。”。

2016年6月阅读原文

六级Consumers are becoming increasingly bored with what companies have to offer: A survey of 28,000 consumers in 28 countries released by Accenture found consumers are not as excited about technology as they once were.

消费者对公司提供的产品越来越厌倦：埃森哲对28个国家的28000名消费者进行的调查发现，消费者对技术的热情已不如从前。

2016年12月阅读原文

六级Stacy is going to walk you through the step-by-step process of becoming a social worker and Mill will tell you about the range of options you have once you get your social work degree, as well as the high standards of responsibility the social workers must adhere to.

斯泰西将带你一步一步地成为一名社会工作者，米尔将告诉你一旦你获得了社会工作学位，你可以选择的范围，以及社会工作者必须遵守的高标准责任。

2016年12月听力原文

六级Once armed with a method for gaining access to iPhones, the government could ask to use it proactively, before a suspected terrorist attack—leaving Apple in a bind as to whether to comply or risk an attack and suffer a public-relations nightmare.

一旦掌握了获取iPhone的方法，政府就可以要求主动使用它，以免一场可疑的恐怖袭击让苹果陷入到底是遵守还是冒着被袭击的风险的困境，并遭受一场公关噩梦。

2017年12月六级真题（第三套）阅读 Section B

六级However, once China began embracing free-market reforms in the 1980s, followed by India in the 1990s, both countries achieved rapid growth.

然而，一旦中国在20世纪80年代开始接受自由市场改革，印度在20世纪90年代紧随其后，两国都实现了快速增长。

2012年6月阅读原文

四级Once across, the ropes were tied down and wooden bridges were hung from them.

一旦穿过，绳子就被拴住，木桥就从上面吊下来。

2015年12月听力原文

四级Wireless devices will transmit signals so as to activate the alarm once something wrong is detected.

无线设备将发送信号，以便在检测到错误时激活警报。

2016年12月阅读原文

四级Where are you in the cycle of renewal: Are you actively preserving the present, or selectively forgetting the past, or boldly creating the future? What advice would Leah give you to move you ahead on your journey? Once we're on the path of growth, we can continually move through the seasons of transformation and renewal.

在更新的周期中，你在哪里：你是积极地保存现在，还是有选择地忘记过去，还是大胆地创造未来？Leah会给你什么建议来推动你的旅程？一旦我们走上了成长的道路，我们就可以在转变和更新的季节中不断前进。

2017年6月阅读原文

考研My favorite actor will smith once said, "Fear is not real."

我最喜欢的演员威尔·史密斯曾经说过：“恐惧不是真实的。”

2015年考研真题（英语二）阅读理解 Section Ⅱ

高考Miss Longfield added: "Then there is this push to connect—if you go offline, will you miss something, will you miss out, will you show that you don't care about those people you are following, all of those come together in a huge way at once."

Longfield小姐补充道：“如果你离线，你会错过什么，你会错过什么，你会表现出你不在乎那些你在跟踪的人，所有这些人会以一种巨大的方式同时聚集在一起。”

2018年高考英语江苏卷 阅读理解 阅读D 原文

高考The obvious one is money: eating out once or twice a week may be affordable but doing this most days adds up.

显而易见的一点是钱：每周出去吃一到两次可能是可以负担的，但大多数时候这样做是合算的。

2018年高考英语浙江卷 语法填空 原文

六级She added that she hoped to buy an iPhone for herself once prices fall.

她补充说，她希望在价格下跌时为自己购买一部iPhone。

2013年6月阅读原文

六级Stacy is going to walk you through the step-by-step process of becoming a social worker and mill will tell you about the range of options you have once you get your social work degree, as well as the high standards of responsibility the social workers mus

斯泰西将带你一步一步地成为一名社会工作者，米尔将告诉你一旦你获得了社会工作学位，你可以选择的范围，以及社会工作者的高责任标准

2016年12月六级真题（第一套）听力 Section C

考研Chewing gum, once bought primarily by adolescent boys, is now featured in commercials as a breath freshener and teeth cleanser for use after a meal.

口香糖曾经主要由青春期男孩购买，现在在商业广告中作为一种饭后使用的口气清新剂和牙齿清洁剂。

2010年考研真题（英语二）阅读理解 Section Ⅱ

四级They have been huge supporters of the district's advanced mathematics program, which once began in the fourth grade but will now start in the sixth.

他们一直是学区高等数学计划的巨大支持者，该计划曾在四年级开始，但现在将在六年级开始。

2018年6月四级真题（第一套）阅读 Section B

六级If an adverse reaction to a drug is serious, consult your doctor for advice at once.

如果药物的不良反应很严重，请立即咨询医生。

2017年12月六级真题（第二套）听力 Section C

高考These results, once again, lead to concrete advice: "once an individual begins volunteering, continued efforts might focus on developing a volunteer role identity.

这些结果再一次引出了具体的建议：“一旦个人开始志愿工作，持续的努力可能会集中在发展志愿者角色认同上。

2015年高考英语江苏卷 阅读理解 阅读C 原文

四级Once driverless cars are actually for sale, the early adopters will be the people who can afford to buy them.

一旦无人驾驶汽车真正上市销售，早期采用者将是有能力购买的人。

2016年6月阅读原文

四级When they interact, they aren't afraid to smell each other and will express themselves clearly and honestly. Once again, it seems we have a lot to learn from dogs.

当他们互动时，他们不怕互相嗅到对方的气味，并且会清晰、诚实地表达自己。再一次，我们似乎有很多东西要向狗学习。

2019年12月四级真题（第二套）听力 Section C

高考As I watch her chase after a squirrel, throwing her whole being into the here-and-now of an exercise that has never once ended in victory.

我看着她追逐一只松鼠，把她的整个身心投入到一场从未以胜利告终的运动中。

2015年高考英语浙江卷 阅读理解 阅读D 原文

高考Once, after a trip to Hollywood, I returned to Australia so depressed and spent months in my bedroom painting, listening to Eckhart Tolle's music and trying to find myself again.

有一次，在去好莱坞旅行后，我沮丧地回到澳大利亚，花了几个月的时间在卧室里画画，听埃克哈特·托尔的音乐，试图重新找回自我。

2017年高考英语天津卷 阅读表达 原文

四级Once, just after I returned from my year in Vienna, I was asked to translate for a German judge at an Olympiclevel horse event.

有一次，我刚从维也纳回来，在一次奥林匹克级赛马比赛中被要求为一名德国裁判翻译。

2015年12月听力原文

四级Once, just after I returned from my year in Vienna, I was asked to translate for a German judge at an Olympic level horse event.

有一次，我刚从维也纳回来，就被要求在一次奥运会级别的赛马比赛中为一名德国裁判翻译。

2015年12月四级真题（第一套）听力 Section C

六级When I re-entered the full-time workforce a few years ago after a decade of solitary self-employment, there was one thing I was looking forward to the most: the opportunity to have work friends once again.

几年前，在经历了十年的单独自营职业后，当我重新进入全职工作岗位时，有一件事是我最期待的：有机会再次结交工作上的朋友。

2019年6月六级真题（第三套）阅读 Section C

考研Winston Churchill once walked its corridors and Japanese emissaries met here with Secretary of State Cordell Hull after the bombing of Pearl Harbor.

温斯顿·丘吉尔（Winston Churchill）曾在珍珠港爆炸案后的走廊上散步，日本特使在这里会见了国务卿科德尔·赫尔（Cordell Hull）。

2018年考研阅读原文

高考Holker once again opens is gardens in aid of the disadvantaged.

霍尔克又一次开放了帮助弱势群体的is花园。

2018年高考英语全国卷3 阅读理解 阅读A 原文

高考Once I look up something on the Internet, I don't need to keep all the details for future use—I know where to find that information again and can quickly and easily do so.

一旦我在互联网上查找了一些信息，我就不需要保留所有的细节以备将来使用——我知道在哪里可以再次找到这些信息，并且可以快速方便地找到这些信息。

2016年高考英语江苏卷 阅读理解 阅读D 原文

高考The story once again tells us that one good turn deserves another.

这个故事再次告诉我们，善有善报。

2018年高考英语北京卷 完形填空 原文

高考TV Ears is so comfortable that Jack forgets he has them on ! he can once again hear and understand the dialogue.

电视耳朵太舒服了，杰克都忘了戴上了！他能再次听到并理解对话。

2015年高考英语北京卷 阅读理解 阅读B 原文

四级Why did Donna go back to Brazil once again?

唐娜为什么又回到了巴西？

2013年12月听力原文

四级Finally, on June 7, McLaughlin once again demonstrated his carelessness by knocking down several mailboxes near the edge of the company's parking lot

最后，在6月7日，麦克劳克林再次证明了他的粗心，他撞倒了公司停车场边缘附近的几个邮箱

2013年12月听力原文

六级As Herman Engleheart, a co-author from the California Institute of Technology says, 'the West Antarctic ice sheet disappear once and can disappear again.

正如加州理工学院的合著者赫尔曼·恩格尔瓦特（Herman Engleheart）所说，“南极西部冰盖消失一次，也可能再次消失。

2010年12月听力原文

六级Native plants are coming back, and the fox once again bound about carefree.

当地的植物又回来了，狐狸再次无忧无虑地四处游荡。

2018年12月六级真题（第三套）阅读 Section A

六级The Tanzanian government has once again started mining the lake for soda ash, used for making chemicals, glass and detergents.

坦桑尼亚政府再次开始在湖中开采苏打灰，用于制造化学品、玻璃和洗涤剂。

2017年12月六级真题（第三套）阅读 Section C

考研Otherwise outside directors will follow the example of Ms. Simmons, once again very popular on campus.

否则，外部董事将效仿西蒙斯女士，她在校园里再次非常受欢迎。

2011年考研真题（英语二）阅读理解 Section Ⅱ

考研Today is no different, with academics, writers, and activists once again warning that technology is replacing human workers.

今天也不例外，学者、作家和活动家再次警告说，技术正在取代人类工人。

2017年考研真题（英语二）完形填空 Section Ⅰ

考研Rage Against the Haze failed once state funding was cut.

一旦国家资金被削减，对雾霾的愤怒就烟消云散了。

2012年考研阅读原文

六级"Once we scale up, algorithms must be sensitive to tiny changes in identities and at the same time invariant to lighting, pose, age," Kemelmacher-Shlizerman said.

Kemelmacher Shlizerman说：“一旦我们扩大规模，算法必须对身份的微小变化敏感，同时对光线、姿势、年龄保持不变。”。

2018年6月六级真题（第一套）阅读 Section C

高考Measles, which once killed 450 children each year and disabled even more, was nearly wiped out in the united states 14 years ago by the universal use of the MMR vaccine.

麻疹曾一度每年导致450名儿童死亡，甚至更多儿童致残。14年前，由于MMR疫苗的普遍使用，麻疹在美国几乎被消灭。

2017年高考英语北京卷 阅读理解 阅读C 原文

六级Putting in effect the policies in the agreement at once.

立即实施协议中的政策。

2016年12月阅读原文

六级Online security cameras, intelligent lighting and a wealth of sensors that control both temperature and air quality are offering an unprecedented level of control, efficiency, and improvements to what were once classed necessary costs when running a busin

在线安全摄像头、智能照明和大量控制温度和空气质量的传感器提供了前所未有的控制水平、效率，并改善了曾经被列为经营企业所需的成本

2017年12月六级真题（第二套）阅读 Section C

六级Unfortunately for them ( ' , and often the taxpayers), our energy systems are a bit like an aircraft carrier: they are unbelievably expensive, they are built to last for a very long time, they have a huge amount of inertia ( ' , meaning it takes a lot of energy to set them moving), and they have a lot of momentum once they are set in motion.

不幸的是，对他们（通常是纳税人）来说，我们的能源系统有点像一艘航空母舰：它们的价格高得令人难以置信，它们的建造寿命很长，它们有巨大的惯性（这意味着需要大量的能量才能使它们移动），一旦它们启动，它们就有很大的动力。

2015年12月阅读原文

四级Trigger its built-in alarm system at once.

立即触发其内置报警系统。

2016年6月阅读原文

四级Sugar, alcohol and tobacco, economist Adam Smith once wrote, are commodities which are nowhere necessaries of life, which have become objects of almost universal consumption, and which are, therefore, extremely popular subjects of taxation.

经济学家亚当·斯密（Adam Smith）曾写道，糖、酒精和烟草都是不属于生活必需品的商品，几乎已成为普遍消费的对象，因此，它们是极受欢迎的征税对象。

2016年12月阅读原文

六级The British traveler Charles Thompson spoke for many Grand Tourists when in 1744 he described himself as being impatiently desirous of viewing a country so famous in history, a country which once gave laws to the world, and which is at present the greatest school of music and painting, contains the noblest productions of sculpture and architecture, and is filled with cabinets of rarities, and collections of all kinds of historical relics.

1744年，英国旅行家查尔斯·汤普森（Charles Thompson）为许多著名游客代言，他说自己迫不及待地想参观一个历史上如此著名的国家，一个曾经为世界制定法律的国家，一个目前最伟大的音乐和绘画流派，拥有最高贵的雕塑和建筑作品，里面摆满了珍品柜和各种历史文物的收藏品。

2017年6月阅读原文

考研Buy all your clothes once with a stylist instead of shopping alone, one article of clothing at a time.

与设计师一起一次性购买你所有的衣服，而不是一个人购物，一次只买一件衣服。

2016年考研阅读原文

六级The best seek to alleviate the external pressures on their pupils while equipping them better to understand and handle the world outside一 at once sheltering them and broadening their horizons.

最好的办法是减轻学生的外部压力，同时让他们更好地了解和处理外部世界一 立刻庇护他们，开阔他们的视野。

2019年12月六级真题（第三套）阅读 Section C

高考He was just saying: "I'm king of this forest, and here is your reminder! " Once his message was delivered, he allowed me to stay and watch.

他只是说：“我是这片森林的国王，这是你的提醒！”他的消息一经传达，他就允许我留下来观看。

2018年高考英语全国卷3 语法填空 原文

六级Once purchased and trained, this would allow the casual user to save money and time, freeing up precious space in our busy lives to read a good book.

一旦购买和培训，这将允许临时用户节省金钱和时间，在我们繁忙的生活中腾出宝贵的空间来阅读一本好书。

2018年6月六级真题（第三套）阅读 Section A

四级Nearly two-thirds of us grab fast food once a week, and we get almost 25% of our daily calories from snacks.

我们中近三分之二的人每周吃一次快餐，我们从零食中获得了几乎25%的日常热量。

2015年12月阅读原文

高考As you may know already, it's a required meeting once a week.

你可能已经知道，这是一个每周一次的必要会议。

2017年高考英语全国卷2 听力 原文

考研Google and microsoft are among companies that already have these "single sign-on" systems that make it possible for users to log in just once but use many different services.

谷歌和微软等公司已经拥有这些“单点登录”系统，用户只需登录一次即可使用多种不同的服务。

2011年考研真题（英语二）完形填空 Section Ⅰ

高考I became out of breath and the once injured ankle hurt badly.

我上气不接下气，曾经受伤的脚踝严重受伤。

2018年高考英语北京卷 阅读理解 阅读A 原文

四级He had a terrible temper, and once threatened to kill another child.

他脾气很坏，曾威胁要再杀一个孩子。

2015年12月听力原文

高考If you have any doubts about your health, you'd better consult your doctor at once.

如果你对自己的健康有任何疑问，最好立即咨询医生。

2015年高考英语天津卷 单项填空 原文

六级Both Martin Luther King and John Kennedy appealed to the idea that humans can transcend what were once considered inherent limitations.

马丁·路德·金（Martin Luther King）和约翰·肯尼迪（John Kennedy）都呼吁人类能够超越曾经被认为是固有的局限性。

2013年12月阅读原文

四级All computers do is fetch and work with numbers, he once explained, but do it fast enough and "the results appear to be magic".

他曾经解释说，计算机所做的一切都是获取和处理数字，但速度足够快，“结果看起来很神奇”。

2012年12月阅读原文

六级Once the data and associated materials appear in a repository answering questions and handling complaints can take many hours.

一旦数据和相关材料出现在存储库中，回答问题和处理投诉可能需要很多小时。

2017年12月六级真题（第二套）阅读 Section B

六级They typically appear about once in a decade.

它们通常每十年出现一次。

2018年12月六级真题（第二套）听力 Section B

六级The order essentially asks Apple to hack its own devices, and once it is in place, the precedent could be used to justify law enforcement efforts to get around encryption technologies in other investigations far removed from national security threats.

该命令实质上要求苹果黑客攻击自己的设备，一旦该命令生效，这一先例可以用来证明执法部门在远离国家安全威胁的其他调查中绕过加密技术的努力是正当的。

2017年12月六级真题（第三套）阅读 Section B

考研"Once on the calendar I protect this time like I would a doctor's appointment or important meeting", he writes.

他写道：“在日历上，我会保护这一次，就像我保护医生的预约或重要会议一样。”。

2018年考研真题（英语二）阅读理解 Section Ⅱ

考研Once on the calendar I protect this time like I would a doctor's appointment or important meeting, he writes.

他写道：一旦列入日程表，我就会像对待医生的预约或重要会议一样保护这段时间。

2018年考研真题（英语二）阅读理解 Section Ⅱ

高考Once lighthouses had telephones, keepers would call each other to warn that the inspector was approaching.

一旦灯塔有了电话，看守人就会互相打电话警告检查员正在接近。

2015年高考英语湖南卷 阅读理解 阅读C 原文

高考Gray wolves once were seen here and there in the Yellowstone area and much of the continental united states, but they were gradually displaced by human development.

灰狼曾经在黄石地区和美国大陆的大部分地区随处可见，但它们逐渐被人类的发展所取代。

2017年高考英语全国卷3 阅读理解 阅读C 原文

高考However, once I worked with statewide and local government, I realized that a better fit for me would be public policy, and now I am in the process of changing my area.

然而，一旦我与州政府和地方政府合作，我意识到公共政策更适合我，现在我正在改变我的领域。

2016年高考英语浙江卷（6月） 阅读理解 七选五 原文

四级The late Richard Hackman of Harvard University once argued, I have no question that when you have a team, the possibility exists that it will generate magic, producing something extraordinary… But don't count on it.

哈佛大学已故的理查德·哈克曼（Richard Hackman）曾经指出，我毫不怀疑，当你有一个团队时，它有可能产生魔力，产生非凡的东西……但不要指望它。

2017年6月阅读原文

高考Once fire and emergency people arrive, Larry and the other man backed off and let them go to work.

一旦消防和急救人员到达，拉里和另一名男子退后让他们去工作。

2016年高考英语全国卷1 完形填空 原文

高考Once they arrive, the tables are turned.

他们一到，局面就改变了。

2017年高考英语全国卷2 阅读理解 阅读D 原文

六级Review his notes once he arrives in Chicago.

他一到芝加哥就看他的笔记。

2011年12月听力原文

高考When I was 17, I read a magazine article about a museum called the mcnay, once the home of a watercolorist named marian mcnay.

当我17岁时，我在杂志上读到一篇关于一个叫做麦克内的博物馆的文章，这个博物馆曾经是一位名叫玛丽安·麦克内的水彩画家的家。

2018年高考英语天津卷 阅读理解 阅读B 原文

考研Nobel Laureate and physiologist Albert Azent-Gyorgyi once described discovery as “seeing what everybody has seen and thinking what nobody has thought.”

诺贝尔奖获得者、生理学家阿尔伯特·艾森特·吉尔吉（Albert Azent Gyorgyi）曾将这一发现描述为“看到每个人看到的，思考没人想到的。”

2012年考研阅读原文

考研He quotes a giant of classical economies, Alfred Marshall, in describing this financial impatience as acting like "children who pick the plums out of their pudding to eat them at once" rather than putting them aside to be eaten last.

他引用了古典经济巨人阿尔弗雷德·马歇尔（Alfred Marshall）的话，将这种金融上的不耐烦描述为“孩子们从布丁上摘下李子，马上吃掉”，而不是把它们放在一边等着最后吃掉。

2019年考研真题（英语一）阅读理解 Section Ⅱ

四级In Japan,once when I was in the studio audience of a TV cooking show, I was asked to go up on the stage and taste the beef dish that was being prepared and tell what I thought.

在日本，有一次，当我在一个电视烹饪节目的演播室里，我被要求上台品尝正在准备的牛肉菜，并说出我的想法。

2015年12月听力原文

六级The extreme isolation of these massive farms leaves them often unattended, and monitored only once or twice a year, which means if the livestock falls ill or requires assistance, it can be a long time for farmers to discover.

这些大规模农场的极端隔离使它们常常无人看管，每年只监测一两次，这意味着如果牲畜生病或需要援助，农民可能需要很长时间才能发现。

2018年12月六级真题（第三套）阅读 Section C

高考Nasa is worried about two things: recovery time once astronauts return home, and, more importantly, how to maintain strength and fitness for the two and a half years or more that it would take to make a round-trip to mars.

Nasa担心两件事：宇航员回家后的恢复时间，更重要的是，如何在往返火星的两年半或更长时间内保持体力和健康。

2015年高考英语湖北卷 阅读理解 阅读D 原文

高考At that moment, I remembered that my father once said, " the classroom is a place for learning and that include leaning from textbooks, and mistake as well."

那一刻，我记得父亲曾经说过：“教室是学习的地方，包括从课本上学习，还有错误。”

2018年高考英语全国卷3 语法填空 原文

考研To read such books today is to marvel at the fact that their learned contents were once deemed suitable for publication in general-circulation dailies.

今天读这样的书，就等于惊叹于这样一个事实：它们所学的内容曾经被认为适合在普通发行的日报上发表。

2010年考研阅读原文

考研Sadly, the spirit of inquiry once at home on campus has been replaced by the use of the humanities and social sciences as vehicles for publicizing “progressive,” or left- liberal propaganda.

可悲的是，曾经在校园里呆在家里的探究精神已经被人文社会科学作为宣传“进步”或左翼自由主义宣传的工具所取代。

2014年考研阅读原文

考研By the time Shakespeare was twenty-five, Lyly, Peele, and Greene had made comedies that were at once popular and literary; Kyd had written a tragedy that crowded the pit; and Marlowe had brought poetry and genius to triumph on the common stage - where they had played no part since the death of Euripides.

到莎士比亚二十五岁时，莱利、皮尔和格林已经制作出既流行又有文学价值的喜剧；基德写了一部悲剧，这部悲剧挤满了深坑；马洛把诗歌和天才带到了共同的舞台上——自从欧里庇得斯死后，他们就没有在这个舞台上扮演任何角色。

2018年考研翻译原文

高考Once called the garden of Amsterdam, it still attracts travelers to come over to cycle and walk through the surrounding forests.

它曾经被称为阿姆斯特丹花园，现在仍然吸引着游客来这里骑自行车，穿过周围的森林。

2015年高考英语湖北卷 阅读理解 阅读C 原文

高考No matter how attractive they look in the store, once I get them home they're unfailingly dry, hard, and tasteless.

不管它们在店里看起来有多漂亮，一旦我把它们带回家，它们总是干的、硬的、无味的。

2015年高考英语全国卷1 阅读理解 阅读B 原文

六级Now, she attributes much of her understanding of college to that: But once I got to campus, it was a completely different ball game that no one really prepared me for.

现在，她把自己对大学的理解很大程度上归因于这一点：但一旦我进入校园，这是一场完全不同的球赛，没有人真正为我做好准备。

2015年12月阅读原文

四级In Japan, once when I was in the studio audience of a TV cooking show, I was asked to go up on the stage and taste the beef dish that was being prepared and tell what I thought.

在日本，有一次，当我在一个电视烹饪节目的演播室里，我被要求上台品尝正在准备的牛肉菜，并说出我的想法。

2015年12月四级真题（第一套）听力 Section C

考研When there is rapid improvement in the price and performance of technology, jobs that were once thought to be immune from automation suddenly become threatened.

当技术的价格和性能迅速提高时，曾经被认为不受自动化影响的工作突然受到威胁。

2014年考研真题（英语二）阅读理解 Section Ⅱ

四级An individual's genetics has a big influence on their height but once you average over whole populations, genetics plays a less key role.

一个人的基因对他们的身高有很大的影响，但一旦你对整个群体进行平均化，基因的作用就不那么重要了。

2019年6月四级真题（第二套）阅读 Section C

高考Once when she was facing away, I reached out and carefully scratched her back with my finger, she didn't move.

有一次，当她面朝别处时，我伸出手来，用手指小心地抓了抓她的后背，她一动不动。

2015年高考英语四川卷 完形填空 原文

四级Once you are done demonstrating whatever concept was in the textbook, you throw away the pipe cleaners, the straws, the cardboard tubes.

一旦你演示完课本中的任何概念，你就扔掉了管道清洁器、吸管和硬纸板管。

2019年6月四级真题（第三套）阅读 Section B

高考He hurried home, never once looking back to see if he was being followed.

他匆匆回家，一次也不回头看有没有人跟踪他。

2017年高考英语江苏卷 单项填空 原文

高考Once that happened, I just kept pushing my studying further and further back in my day.

一旦发生了这种情况，我就不断地把我的学习推进得越来越远。

2018年高考英语浙江卷 完形填空 原文

六级By sanctioning this watered-down version of college, universities are catering to the social and educational needs of wealthy students at the expense of others who won't enjoy the financial backing or social connections of richer students once they graduate.

通过批准这种淡化版的大学，大学正在满足富裕学生的社会和教育需求，而牺牲了其他人的利益，这些人一旦毕业就无法享受富裕学生的经济支持或社会关系。

2015年12月阅读原文

六级Once the interviewers have been briefed, I send the client a schedule and then they get back to me with deadlines.

一旦面试官听取了简报，我会给客户发一份时间表，然后他们会给我回复截止日期。

2016年6月六级真题（第二套）听力 Section A

高考Athens was not in the farthest background of his mind, but once man has a great and good idea, it is never completely lost.

雅典并不是他心目中最遥远的背景，但一旦人们有了一个伟大的好主意，它就永远不会完全消失。

2015年高考英语江苏卷 阅读理解 阅读D 原文

考研But once we rip off the band-aid, tuck our smartphones in our pockets and look up, it doesn't hurt so bad.

但是一旦我们撕掉了创可贴，把我们的智能手机塞进口袋，抬头看，它就不会那么糟糕了。

2015年考研真题（英语二）完形填空 Section Ⅰ

六级Now, she attributes much of her understanding of college to that: "But once I got to campus, it was a completely different ball game that no one really prepared me for."

现在，她把自己对大学的理解很大程度上归因于这一点：“但一旦我进入校园，那将是一场完全不同的球赛，没有人真正为我做好准备。”

2015年12月六级真题（第三套）阅读 Section B

四级And most noticeable of all, there is the phenomenon of large urban and suburban high schools that have split up into smaller units of a few hundred, generally housed in the same grounds that once boasted thousands of students all marching to the same band.

最值得注意的是，有这样一种现象：城市和郊区的大型高中已经分裂成几百个较小的单元，通常都位于曾经有数千名学生加入同一个乐队的同一场地。

2012年6月阅读原文

高考Prevention is key, scientists says because once ecosystems pass their tipping point, it is remarkably difficult for them to return.

科学家说，预防是关键，因为一旦生态系统超过临界点，它们就很难恢复。

2019年高考英语天津卷 阅读理解 阅读C 原文

六级Once you get out of there, you become that part, only you're using music instead of dialogue.

一旦你离开那里，你就变成了那个角色，只是你用音乐代替对话。

2015年12月六级真题（第一套）听力 Section A