高考Scientists have advanced many theories about why human beings cry tears, none of which has been proved.

科学家们提出了许多关于人类为什么哭泣的理论，但没有一个得到证实。

六级It represents the rapid technological advance in people's daily life.

它代表了人们日常生活中技术的快速进步。

六级Middle school is a crucial period when students may become keenly interested in advanced mathematics.

中学是学生对高等数学产生浓厚兴趣的关键时期。

六级The equipment in American studios was more advanced than anything in Britain, which had led the Beatles' great rivals, the Rolling Stones, to make their latest album, "Aftermath", in Los Angeles.

美国制片厂的设备比英国任何一家都先进，英国曾带领披头士的劲敌滚石乐队在洛杉矶制作了他们的最新专辑《善后》。

六级But efforts are in place to expose more black, Hispanic, and low-income students to advanced math, in the hope that the demographic pool of high-level contenders will eventually begin to shift and become less exclusive.

但目前正在努力让更多黑人、西班牙裔和低收入学生学习高等数学，希望高水平竞争者的人口结构最终将开始转变，不再那么排外。

六级According to the college, the plan is designed for high-ability, highly motivated student who wish to save money or to move along more rapidly toward advanced degrees.

根据学院的说法，该计划是为能力强、积极性高的学生设计的，他们希望省钱或更快地获得高等学位。

六级It advances with the times.

它与时俱进。

高考Advanced lights, motors, and building designs have helped save a lot of energy and therefore prevented pollution.

先进的照明、电机和建筑设计有助于节约大量能源，从而防止污染。

高考The first prize is 300 dollars for the beginners and 750 dollars for the advanced.

一等奖是初学者300美元，高级750美元。

高考Since then, I have taken courses like data science and advanced mathematics.

从那以后，我修了数据科学和高等数学等课程。

六级Devotion to the advance of science.

对科学进步的献身精神。

考研The advance is driven in part by vehicle manufacturers, who are placing big bets on battery-powered electric vehicles.

这一进步部分是由汽车制造商推动的，他们正把大赌注押在电池驱动的电动汽车上。

四级Like any skill, cooking gets easier as you do it more; every time you cook, you advance your level of skills.

像任何技能一样，烹饪越做越容易；每次你做饭，你的技能水平就会提高。

六级In a division of electronic engineers, who were designing equipments so advanced that they work in teams of up to 150, co-workers and managers were asked to nominate the standouts- the stars in productivity and effectiveness

在一个由电子工程师组成的部门中，他们设计的设备非常先进，可以组成多达150人的团队，要求同事和经理提名杰出的人员——生产率和效率方面的明星

考研first two hours, now three hours一this is how far in advance authorities are recommending people show up to catch a domestic flight, at least at some major U.S. airports with increasingly massive security lines.

前两个小时，现在是三个小时一这是当局建议人们提前多少时间赶搭国内航班的建议，至少在美国一些安检线越来越大的主要机场是如此。

高考It was often announced in advance.

这通常是事先宣布的。

六级There is an incompatibility in the rate at which these are advancing relative to the way we're digesting it, he said.

他说：“相对于我们消化它的方式，它们的前进速度是不相容的。”。

高考As recently reported in The Auk: ornithological advances, some mother birds may teach their young to sing even before they hatch?

正如最近在《海雀：鸟类学的进步》杂志上报道的那样，一些母鸟甚至在孵化之前就可以教它们的幼鸟唱歌？

六级But advances in technology might make Antarctica a lot more accessible three decades from now.

但技术的进步可能会让30年后的南极洲变得更加容易接近。

四级Instead he was keenly interested in product design and aesthetics （美学）, and in making advanced technology simple to use.

相反，他对产品设计和美学非常感兴趣(美学）, 使先进技术易于使用。

六级Advanced batteries are moving out of specialized markets and creeping into the mainstream, signaling a tipping point for forward-looking technologies such as electric cars and rooftop solar panels.

先进的电池正从专业市场转移到主流市场，预示着电动汽车和屋顶太阳能电池板等前瞻性技术的转折点。

高考We require the student's full details at least 4 weeks in advance.

我们要求学生至少提前4周提供详细信息。

考研But since such students are most likely to advance economically if they succeed in higher education, colleges and universities have pushed for decades to recruit more of them.

但是，由于这些学生如果在高等教育中取得成功，最有可能在经济上取得进步，因此几十年来，学院和大学一直在努力招收更多的学生。

六级Most of the training for advanced-math competitions happens outside the confines of the normal school day.

高等数学竞赛的大部分训练都是在正常学校日之外进行的。

考研Impulsive spending isn't an option, so plan your week's menu in advance, making shopping lists for your ingredients in their exact quantities.

冲动消费不是一种选择，所以提前计划你一周的菜单，为你的食材制作精确数量的购物清单。

考研He argued that human evolution was characterized by a struggle he called the “survival of the fittest,” in which weaker races and societies must eventually be replaced by stronger, more advanced races and societies.

他认为，人类进化的特点是一场他称之为“适者生存”的斗争，在这场斗争中，较弱的种族和社会最终必须被更强大、更先进的种族和社会所取代。

六级Math circles provide students with access to advanced-math training by university professors.

数学圈为学生提供大学教授提供的高等数学培训。

高考It's not all that hard to build an advanced and large vocabulary.

建立一个高级的、大量的词汇表并不难。

四级Since fewer than half of Americans say they cook at an intermediate level and only 20% describe their cooking skills as advanced, the crisis is one of confidence.

由于不到一半的美国人说他们的烹饪水平处于中等水平，只有20%的人说他们的烹饪技能是高级的，因此危机在于信心。

考研This increasingly high level of education is probably a necessary, but not a sufficient, condition for the complex political systems required by advanced economic performance.

这种日益提高的教育水平可能是先进经济表现所要求的复杂政治制度的必要条件，但不是充分条件。

六级Do you think I should tell her in advance that I'm a vegetarian?

你认为我应该事先告诉她我是素食者吗？

高考According to the Overseas Development Institute Odi, however, just 12% of disaster-relief funding in the past two decades has gone on reducing risks in advance, rather than recovery and rebuilding afterwards.

然而，根据海外发展研究所Odi的数据，在过去二十年中，只有12%的救灾资金用于提前降低风险，而不是事后恢复和重建。

四级Planning everything in advance.

提前计划一切。

四级Although economic research and previous survey findings have shown that career interruptions related to motherhood may make it harder for women to advance in their careers and compete for top executive jobs, relatively few adults in the recent survey poin

尽管经济研究和先前的调查结果表明，与母亲身份相关的职业中断可能会使女性更难在职业生涯中取得进步，也更难竞争高管职位，但在最近的调查中，相对较少的成年人参与了这项调查

六级The summer after 7th grade, students spend three weeks on a college campus studying advanced math for seven hours a day.

七年级后的夏天，学生们在大学校园里花了三周的时间每天学习七个小时的高等数学。

高考Thanks to the advanced technology, we live in an age of bettered communication.

多亏了先进的技术，我们生活在一个交流更加便利的时代。

六级But this vote of confidence in Oprah sends a troubling message at precisely the time when American universities need to do more to advance the cause of reason.

但这次对奥普拉的信任投票恰恰在美国大学需要做更多工作来推进理性事业的时候发出了一个令人不安的信息。

四级Useful thinking skills for advanced academic research.

对高级学术研究有用的思考能力。

高考To catch the early flight, we ordered a taxi in advance and got up very early.

为了赶上早班机，我们提前叫了一辆出租车，起得很早。

六级The purpose of today’s lecture, as you have seen from the title and the abstract, is to examine in more detail the problems facing small- and medium-sized enterprises which arise at least in part from having to adapt to rapid advances in technology.

正如您从标题和摘要中所看到的，今天讲座的目的是更详细地探讨中小企业面临的问题，这些问题至少部分是由于必须适应技术的快速发展。

六级Parents of advanced-math students and MathCounts coaches say the children are on the website constantly.

高等数学学生的家长和MathCounts教练说，孩子们经常上这个网站。

六级It's no secret in the advanced-math community that diversity is a problem.

在高等数学界，多样性是一个问题已经不是什么秘密了。

高考In advanced concepts and even philosophy—and they will soon discover that toknow feels more like a club than just a magazine.

他们很快就会发现toknow更像是一个俱乐部，而不仅仅是一本杂志。

考研In Europe, where forestry is ecologically more advanced, the noncommercial tree species are recognized as members of the native forest community, to be preserved as such, within reason.

在欧洲，林业在生态上更为先进，非商业树种被视为本地森林群落的成员，在合理范围内予以保护。

六级Teachers in low-income urban and rural areas with no history of participating in math competitions may not know about advanced-math opportunities like MathCounts—and those who do may not have support or feel trained to lead them.

在低收入的城市和农村地区，没有参加过数学竞赛的历史的教师可能不知道像MathCounts这样的高等数学机会，而那些不知道的教师可能得不到支持，或者觉得没有受过训练来领导他们。

考研First two hours , now three hours—this is how far in advance authorities are recommending people show up to catch a domestic flight , at least at some major U.airports with increasingly massive security lines.

前两个小时，现在是三个小时——这是当局建议人们提前多少时间赶搭国内航班，至少在美国一些安检线越来越大的主要机场。

考研Young people who are still getting started in life were more likely than older adults to prioritize personal fulfillment in their work, to believe they will advance their careers most by regularly changing jobs, to favor communities with more public servi

与老年人相比，仍处于人生起步阶段的年轻人更有可能在工作中优先考虑个人成就感，相信通过定期更换工作，他们会最大程度地提升自己的职业生涯，更倾向于提供更多公共服务的社区

六级Middle school is an important age because students have enough math capability to solve advanced problems, but they haven't really decided what they want to do with their lives, said Loh.

Loh说，中学是一个重要的年龄，因为学生有足够的数学能力来解决高级问题，但他们还没有真正决定自己的人生目标。

六级Only two countries in the advanced world provide no guarantee for paid leave from work to care for a newborn child.

发达国家中只有两个国家没有提供带薪产假的保障来照顾新生儿。

四级like any skill, cooking gets easier as you do it more; every time you cook, you advance your level of skills.

像任何技能一样，烹饪越做越容易；每次你做饭，你的技能水平就会提高。

六级Technological advances.

技术进步。

四级Parents and students who have invested heavily in higher education worry about graduates' job prospects as technological advances and changes in domestic and global markets transform professions in ways that reduce wages and cut jobs

在高等教育上投入巨资的家长和学生担心毕业生的就业前景，因为技术进步和国内外市场的变化改变了职业，降低了工资，减少了就业机会

四级It may prevent your business and career from advancing.

这可能会阻碍你的事业和职业发展。

考研Spencer argued that all worldly phenomena, including human societies,changed over time, advancing toward perfection.

斯宾塞认为，所有世俗现象，包括人类社会，都随着时间的推移而改变，朝着完美的方向发展。

六级Unlike developed cities, however, these areas lack advanced water-treatment facilities, and rivers effectively become sewers ( ' , 下水道).

然而，与发达城市不同的是，这些地区缺乏先进的水处理设施，河流实际上变成了下水道，下水道).

六级In these groups, which came out of an Eastern European tradition of developing young talent, professors teach promising K-12 students advanced mathematics for several hours after school or on weekends.

在这些来自东欧培养年轻人才传统的群体中，教授在放学后或周末为有前途的K-12学生教授数小时高等数学。

高考The inspections were supposed to be a surprise, but keeper sometimes had advance notice.

检查应该是一个惊喜，但管理员有时会提前通知。

四级It seems to me that a compromise would be receiving the exam questions a day or two in advance, and then doing the actual test in class with the ticking clock overhead.

在我看来，一个折衷的办法是提前一两天收到考题，然后在课堂上用滴答作响的时钟进行实际测试。

六级There are three dozen universities in the UK which are actively engaged in advanced research training and commercialisation work.

英国有三十多所大学积极参与高级研究培训和商业化工作。

六级As sisters and brothers advanced into old age, closeness increases and rivalry diminishes, explains VC, a psychologist at Purdue University.

普渡大学的心理学家VC解释说，随着兄弟姐妹步入老年，亲密关系增加，竞争减少。

考研Consider the person that you re dealing with in advance and what will get you to your desired outcome.

先考虑一下你正在处理的人，以及那些能让你达到预期结果的人。

四级Perhaps they prefer going into a nursing home and can select one in advance.

也许他们更喜欢去养老院，可以提前选择。

四级It contributes greatly to the advance of society as a whole.

它极大地促进了整个社会的进步。

六级It is essential to advanced manufacturing.

它对先进制造业至关重要。

考研It doesn’t then necessarily follow that one kind of reading is fuller, more advanced or more worthwhile than another.

这并不一定意味着一种阅读比另一种更全面、更高级或更有价值。

高考I would like to warn you in advance that if you smoked here you would be fined.

我想提前警告你，如果你在这里吸烟，你将被罚款。

六级The summer program run by a nonprofit organization has helped many underserved students learn advanced math.

一个非营利组织举办的暑期计划帮助了许多服务水平低下的学生学习高等数学。

高考The competition has two levels, the beginners and the advanced.

比赛分初级和高级两个级别。

高考He would call in advance to make sure there was no alcohol at the party.

他会提前打电话确认聚会上没有酒。

四级But not all schools show advances after downsizing, and it remains to be seen whether smaller schools will be a cure-all solution.

但并非所有学校在裁员后都取得了进步，规模较小的学校是否能解决所有问题还有待观察。

四级Fire was one of the earliest major technological advances for humankind, providing heat, protection, and cooked food (which is much easier to cat and digest).

火是人类最早的重大技术进步之一，它提供热量、保护和熟食（更易于猫和消化）。

六级Our mission is to promote, protect and advance the social work profession.

我们的使命是促进、保护和促进社会工作专业。

六级Another influential feeder for advanced-math students is an online school called Art of Problem Solving, which began about 13 years ago and now has 15,000 users.

另一个对高等数学学生有影响力的反馈者是一个名为“问题解决艺术”的在线学校，它大约在13年前开始，现在有15000名用户。

六级The U.S. is also the only advanced economy that does not guarantee workers paid vacation time, and it's one of only two countries in the world that does not offer guaranteed paid maternity leave.

美国也是唯一一个不保证工人有薪假期的发达经济体，也是世界上仅有的两个不提供有薪产假的国家之一。

六级Of course, much of this argument in the 1930s-40s was advanced because there was little or no experience in justifying apparel ( ' , 服装) on the basis of utility.

当然，在20世纪30-40年代，这一论点的大部分都被提出了，因为在证明服装的合理性方面几乎没有经验（“，服装) 在效用的基础上。