【名师带你背单词】本周词汇汇总（PTE真题+高频考点文章）

曼拓教育

【名师带你背单词】本周词汇汇总（PTE真题+高频考点文章）

知道今天是什么日子吗？当当当当！！！本年度最后一次雅思大考出成绩的日子，你萌紧张吗？相信不少同学已经收到成绩了吧！快点决定是否转考PTE吧！！！

废话不多说，给你们先秀一张挣扎在雅思线上，最终PTE四个79（等同于雅思四个八！）真的是开心到飞起来啊！

女神最欣喜的莫过于你们发信息告诉我“我过了！！！”

一开始成绩被hold住还十分担心，焦虑不安，等收到成绩的那一刻就立马开心到飞起啦。

得瑟完毕开始聊正题——曼拓教育微信平台最新推出的“名师带你背单词”，摘录了由曼拓学员反馈的PTE考试真题中的高频词汇，以及来自各类与PTE常考学科相关的文章中的高分词汇。经由曼拓名师的归纳、总结，帮助同学们提高背单词的效率，让大家背地精准，背地方便。

这些精选的单词不仅仅适用于PTE考试，更能提高英语阅读、写作能力。如果每天都能记5-10个新单词，就再也不用担心看不懂的澳洲新闻，用不上高端的写作替换词啦！

今天曼拓君整理了这一周的词汇，帮助大家复习、回顾，加深印象。

本周的单词、词组同学们都还有印象吗？如果忘记了，赶紧跟着曼拓君再复习一下。

接下去为大家放出PTE真题以及精选的高频考点文章。

PTE真题：The war for talent人才之战 Part1

来源：PTE考试真题

The war for talentrefers to an increasingly competitive landscape for recruiting and retaining talented employees.In the book, Michaels, et al., describe not a set of superior HumanResources processes, but a mindset that emphasizesthe importance of talent to the success of organizations.

The war for talentis intensified by demographic shifts (primarily in theUnited States and Europe). This is characterized by increasing demand alongwith decreasing demographical supply. There are simplyfewer post-baby-boom workers to replace the baby-boom retirement in the US andEurope (though this is not the case in most of East Asia, SoutheastAsia, Central Asia, Central America, South America, orthe Middle East; Eastern Europe also tends to have similardemographics, namely an aging and/or shrinking labor force).

While talent is vague or ill-defined,the underlying assumption is that for knowledge-intensive industries,the knowledge worker (a term coined by Peter Drucker) is the keycompetitive resource (see the Resource-based view of thefirm). Knowledge-based theories of organizations consistently placeknowledge workers as a primary, competitive resource.

PTE高频考点自然类文章：

《Huge lake discovered15 kilometers under a volcano》

Our planet is blueinside and out. A massive reservoir of water has beendiscovered deep beneath a volcano in the Andes, and Earth’s interior may bedotted with similar wet pockets lurking below othermajor volcanoes. The unexpected water, which is mixed with partiallymelted magma, could help to explain why and how eruptionshappen. This water may also be playing a role in the formation of thecontinental crust we live on, and could be furtherevidence that our planet has had water circulating inits interior since its formation.

Jon Blundy of theUniversity of Bristol, UK, and his colleagues made the discovery while studyinga huge “anomaly” 15 kilometers beneath the currentlydormant Uturuncu volcano in the Bolivian Andes. The anomaly,called the Altiplano-Puna magma body, slows down seismic wavesand conducts electricity, unlike surrounding magma.

Blundy’s team took rocks thatwere spat out by an eruption of Uturuncu 500,000 yearsago and mixed them with varying amounts of water before exposing them in thelab to conditions mimicking those in the anomaly. Thisincluded pressures 30,000 times as high as atmospheric pressure, andtemperatures up to 1500 °C. “Wereproduced conditions deep in the Earth in the lab,”says Blundy.

They found that ata particular water content, the electrical conductivity exactly matched thevalue measured in the anomaly. “By weight, we calculated it contains 8 to 10 per centwater,” says Blundy. The Altiplano-Puna magma body isknown to be around half a million cubic kilometers in volume, so theresearchers estimate it must contain a similar amount of water to some of thelargest freshwater lakes on Earth. “It’s probably somewhere between Lake Superior and Lake Huron,” says Blundy. “It’sa staggeringly large amount.”

Other anomalies withsimilar unexplained conductivity have been discoveredbeneath other volcanoes, such as those in the Taupo Volcanic Zone in NewZealand, and Mount St Helen’s in Washington State, which erupted spectacularlyin 1980. It’s likely that these are also signs ofsecret reservoirs.

“This study illuminates anew feature of Earth’sdeep-water cycle, and reminds us how little we know about the pathway of waterthrough Earth’s crust and mantle systems on geologic timescales,” says Steve Jacobsen of Northwestern University in Evanston, Illinois,whose team previously discovered a reservoir of water three times thevolume of all the oceans 700 kilometers down in the mantle.

Such discoveriesadd to growing evidence that significant amounts of water exist inEarth’sinterior, some of which may even have been the source of today’s oceans.It could be that the water that makes our planet habitable waspresent in the dust that coalesced to create Earth,rather than arriving later on ice-rich comets or asteroids.

We can forget aboutextracting the newly found water. “It’s dissolvedin partially melted rock at 950 to 1000 °C, so it’s not accessible,” says Blundy. Butincreased water content in magma may help to explain the composition ofcontinental crust rocks. When magma in the mantle –mainly composed of basalt –rises up into the crust, the water helps to enrich the basalt with silica and deplete itof magnesium, eventually forming rocks like the andesite foundbeneath the Andes.“The process in Uturuncu is a microcosm ofcontinental crust formation, and involves much more water than we thought,probably twice as much,”says Blundy.

Water is also oneof the volatile components dissolved in magma thatdrive volcanic eruptions, he says.“Dissolved at shallower depths where thepressure is lower, it comes out as bubbles, which end up as an explosiveeruption.”

In the future,understanding more about how water can trigger eruptions could help volcanologists betterinterpret seismic activity, perhaps improving predictions. “Our results willhopefully improve our ability to interpret these signals of unrest,” says Blundy.

奉上福利贴~~~抓住机会的尾巴！

【一阶日常班！】

【猛练真经班！】

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