Questões de Concurso Sobre vocabulário | vocabulary em inglês

Foram encontradas 3.116 questões

Q1877925 Inglês
   In May 2021, a hole was found in a robotic arm aboard the International Space Station (ISS). The suspected culprit was a piece of rogue space junk. While thankfully no astronauts were injured, it has re-focussed attention on the growing problem of orbital debris.

How did we get here?
   It’s easy to forget that just seven decades ago the Moon was the only thing orbiting the Earth. On 1 January 2021 there were 6,542 satellites in orbit. Tellingly, only just over half of them were active. That’s a lot of useless metal careering around the planet at 28,000 kph — ten times faster than a bullet.

How bad is the problem?
   Very bad and getting worse. Estimates suggest there are currently half a million pieces of debris the size of a marble or larger and 100 million pieces of debris above one millimeter across. Yet only 27,000 pieces are actively tracked by the US Department of Defense.

What is Kessler syndrome?
   It’s a catastrophic chain of events in which a satellite is shattered by a piece of space junk (or a collision with another satellite) and the resulting debris destroys more satellites creating more junk and so on in a never-ending cascade. It’s a domino effect – one piece falls and then takes the rest with it – and is named after NASA scientist Donald Kessler, who outlined the dangers back in 1978.

What can we do about it?
   Better regulation of new launches would help, as right now it’s a bit of a free-for-all. There are existing regulations in place to try and mitigate the dangers, such as a 25-year de-orbit rule for missions in low-Earth orbit. However, ESA’s Space Debris Environment Report says that less than 60 per cent of those flying in low-Earth orbit currently stick to the rules. 

Colin Stuart. Space Junk: Is it a disaster waiting to happen? 
Internet: <www.sciencefocus.com> (adapted).

Considering the text above, judge the following item. 


The word “Yet” (third paragraph) acts as an indicator of time. 

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Q1877499 Inglês
   Jack Kilby’s revolutionary idea was to make all the different components of a circuit out of the same flat block of semiconductor material. Not only would this get rid of wires and faulty connections, it would make the entire circuit much more compact. Kilby demonstrated his first “integrated circuit” on Sept. 12, 1958. 
   Six months later, in California, another engineer, Robert Noyce, independently came up with the idea of making an integrated circuit. Noyce’s chip was better suited to be manufactured in large numbers, and soon he was part of a young company called Intel.
   Thus was launched a revolution. The first chip-based computer was the first U.S. Air Force computer, built in 1961. The true potential of the integrated circuit was shown when Texas Instruments unveiled the pocket calculator. Previously calculators had been bulky devices that needed to be plugged in to electrical mains. The pocket calculator, small enough to hold in one’s palm, had a chip inside and batteries were adequate to power it.
   Progress was rapid thereafter. Many have already heard of Moore’s law, which has become a mantra of the digital age. First put forward by the Intel co-founder Gordon Moore in the 1960s, it says that the processing power of a chip doubles every two years, while the price falls by half. For more than four decades, Moore’s law has held, driving incredible growth and miniaturization — and wealth.
   The question is whether the semiconductor industry can sustain this pace. Further increasing the processing power of chips is proving to be problematic as certain fundamental physical barriers are being reached. At the same time, new frontiers are opening up. The quest is on to make chips that are powered by light instead of electricity, which will enable much faster computers.

Saswato Das. The Chip that Changed the World. Internet: (adapted). 

 Considering the text above, judge the following item.
The phrase “better suited to” (second paragraph) means more able to meet the requirements of
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Q1873871 Inglês
Phishing

Imagine that you get an email one morning. It appears to be from your bank. The email warns that someone broke into your account. It says that you need to sign in to check some things. You click the link in the email. It takes you to a site that looks very much like your bank’s. You enter your username and password. You submit the form. You’ve just been phished!

Phishing is a type of attack that happens over the Internet. Users receive an email or text message that seems like it came from a trusted source. These users are being deceived. They are interacting with dangerous hackers. The attackers copy trusted companies. They send users to web pages that look like the ones we use everyday. When users login or provide sensitive information, the attackers steal this data.

Attackers want your data for many reasons. They may use your data to commit identity fraud. This is when they use your identity to buy something with your credit. Then they receive the goods and you receive the bill. Or they may want your password to take over a computer network. They may want access to private emails. They may want customer records. They gain access by tricking people into giving them their login info.

Some phishing attacks are targeted. A targeted phishing attack is called a spear phishing attack. These attacks are dangerous because they are convincing. The attacker may know the target’s name, address, or job title. They may have gathered info from social networks, like the names of friends or family. The attackers may use this personal information to craft a believable email. The target will be tricked into clicking a link. The link will send them to a phony website. This site will look familiar, but it will be a spoofed site built to steal data. Any data that the target submits will go to the hacker.

Phishing attacks are dangerous, but you can spot them if you pay attention. One thing to watch is your address bar in your browser. Attackers use domains that look like the ones that we trust, but they are not the same. For example, in 2016 staffers from Hillary Clinton’s campaign were spear phished. The attackers used the domain accounts-google.com. That domain looks like google.com, but it isn’t the same. When logging into google, you should always do it from google.com. Likewise, when logging into any account, make sure the address matches what you expect. If you are unsure, search for the site and login from the root domain.

An even better way to secure your account against phishing attacks is to use 2FA: two factor authentication. 2FA means that your account is secured with two keys. The first is your password. The second key is a random code that changes every few minutes. This code may be generated by a 2FA app, like Authy. Or it can be sent to your cell phone on request. If you activate 2FA on your accounts, an attacker will not be able to get in even with your password.

Phishing attacks are scary and common. The reason why they are common is that they are effective. Many people accept appearances without suspicion. Browsing the Internet safely requires a healthy amount of suspicion. Not everything is what it appears. Nobody is trying to give you free money. Don’t trust; verify.
In the sentence “This site will look familiar, but it will be a spoofed site built to steal data.”, the correct definition for the word spoofed is in which alternative?
Alternativas
Q1873870 Inglês
Phishing

Imagine that you get an email one morning. It appears to be from your bank. The email warns that someone broke into your account. It says that you need to sign in to check some things. You click the link in the email. It takes you to a site that looks very much like your bank’s. You enter your username and password. You submit the form. You’ve just been phished!

Phishing is a type of attack that happens over the Internet. Users receive an email or text message that seems like it came from a trusted source. These users are being deceived. They are interacting with dangerous hackers. The attackers copy trusted companies. They send users to web pages that look like the ones we use everyday. When users login or provide sensitive information, the attackers steal this data.

Attackers want your data for many reasons. They may use your data to commit identity fraud. This is when they use your identity to buy something with your credit. Then they receive the goods and you receive the bill. Or they may want your password to take over a computer network. They may want access to private emails. They may want customer records. They gain access by tricking people into giving them their login info.

Some phishing attacks are targeted. A targeted phishing attack is called a spear phishing attack. These attacks are dangerous because they are convincing. The attacker may know the target’s name, address, or job title. They may have gathered info from social networks, like the names of friends or family. The attackers may use this personal information to craft a believable email. The target will be tricked into clicking a link. The link will send them to a phony website. This site will look familiar, but it will be a spoofed site built to steal data. Any data that the target submits will go to the hacker.

Phishing attacks are dangerous, but you can spot them if you pay attention. One thing to watch is your address bar in your browser. Attackers use domains that look like the ones that we trust, but they are not the same. For example, in 2016 staffers from Hillary Clinton’s campaign were spear phished. The attackers used the domain accounts-google.com. That domain looks like google.com, but it isn’t the same. When logging into google, you should always do it from google.com. Likewise, when logging into any account, make sure the address matches what you expect. If you are unsure, search for the site and login from the root domain.

An even better way to secure your account against phishing attacks is to use 2FA: two factor authentication. 2FA means that your account is secured with two keys. The first is your password. The second key is a random code that changes every few minutes. This code may be generated by a 2FA app, like Authy. Or it can be sent to your cell phone on request. If you activate 2FA on your accounts, an attacker will not be able to get in even with your password.

Phishing attacks are scary and common. The reason why they are common is that they are effective. Many people accept appearances without suspicion. Browsing the Internet safely requires a healthy amount of suspicion. Not everything is what it appears. Nobody is trying to give you free money. Don’t trust; verify.
The words sensitive information in the second paragraph, is closest in meaning to:
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Q1866963 Inglês

Leia o texto a seguir e responda a questão.


“He remembered the time he had hooked one of a pair of marlin. The male fish always let the female fish feed first and the hooked fish, the female, made a wild, panic-stricken, despairing fight that soon exhausted her, and all the time the male had stayed with her, crossing the line and circling with her on the surface.

He had stayed so close that the old man was afraid he would cut the line with his tail which was sharp as a scythe and almost of that size and shape. When the old man had gaffed her and clubbed her, holding the rapier bill with its sandpaper edge and clubbing her across the top of her head until her colour turned to a colour almost like the backing of mirrors, and then, with the boy’s aid, hoisted her aboard, the male fish had stayed by the side of the boat.

Then, while the old man was clearing the lines and preparing the harpoon, the male fish jumped high into the air beside the boat to see where the female was and then went down deep, his lavender wings, that were his pectoral fins, spread wide and all his wide lavender stripes showing. He was beautiful, the old man remembered, and he had stayed.”

HEMINGWAY, Ernest. The Old Man and the Sea.

Eua: Hueber Verlag, 1952. 108 p.

“the male fish jumped high into the air beside the boat to see where the female was and then went down deep, his lavender wings, that were his pectoral fins,”


O trecho destacado acima tem a função de:
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Q4113442 Inglês
Check the alternative that fills the blank correctly.
The concept of ________________ presupposes the comprehension of the addition that the discipline brings to those who take care of it, without addition to other languages that the student already has in his/her repertoire, particularly the Portuguese language.
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Q3984535 Inglês

Read text 3 and answer the question.


Text 3

Lawyers say they can’t find the parents of 545 migrant children separated by Trump administration By Julia Ainsley and Jacob Soboroff




(Retrived from: <https://www.nbcnews.com/politics/immigration/lawyers-say-they-can-t-find-parents-545-migrant-children-n1244066>.)

The word “about”, paragraph 1, line 3, could be properly substituted by:
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Q3984528 Inglês

Read text 1 and answer the question.


Text 1

The socio-cultural implications of Covid-19

By Professor Fethi Mansouri



(Retrived from:<https://en.unesco.org/news/socio-cultural-implications-covid-19>)

What is the best word to replace “precluding”, paragraph 1, line 3?
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Q2815881 Inglês

Fill in the blanks with for or since.


I don’t sleep ________ Friday.

They didn't drink ________ last night.

He didn’t shower _________ days.

It has been snowing ______ Wednesday.


Select the CORRECT answer.

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Q2815869 Inglês

Complete the following sentences with some or any.


I’m going to drink _______ milk.

Do you have _______ friends here? No, I don’t.

Could you give me _______ water?

He has _______ problems.


Select the CORRECT answer.

Alternativas
Q2815859 Inglês

Complete the following sentences with the appropriate adjective or adverb.


James likes to cook but he cooks __________ (terrible).

Marie has three jobs. She works very __________ (hard).

I am late, so I must walk __________ (fast).


Select the CORRECT answer.

Alternativas
Q2815858 Inglês

READ THE TEXT AND ANSWER QUESTIONS 41 TO 46.


TEXT


Petroleum Alternatives. A new promising source


Human consumption of fossil fuels is expected to fully deplete the Earth’s crude oil reserves by the year 2060. As underground reservoirs of oil continue to shrink, we have no choice but to find alternatives. One promising source, with much cleaner emissions, is called bio-diesel. Bio-diesel is often made from soybean oil, although it can be made from any vegetable oil that is not elementally different from soy. Bio-diesel can even be made from used cooking oils that homes or restaurants would otherwise dispose of. Biodiesel can be used without constraint in any vehicle that runs on diesel—no modifications are needed. Presently, diesel engines can take up to 20 percent soy in their soy-diesel blend. As the need for bio-diesel increases and the technology improves, we may soon witness the extinction of the fossil-fueled vehicle.This is good news for the planet, as biodiesel is a more stable source of energy than petroleum, and it reduces contamination of our air and water.

The word “shrink”, in line 3, could be better substituted by which of the following options?

Alternativas
Q2815857 Inglês

READ THE TEXT AND ANSWER QUESTIONS 41 TO 46.


TEXT


Petroleum Alternatives. A new promising source


Human consumption of fossil fuels is expected to fully deplete the Earth’s crude oil reserves by the year 2060. As underground reservoirs of oil continue to shrink, we have no choice but to find alternatives. One promising source, with much cleaner emissions, is called bio-diesel. Bio-diesel is often made from soybean oil, although it can be made from any vegetable oil that is not elementally different from soy. Bio-diesel can even be made from used cooking oils that homes or restaurants would otherwise dispose of. Biodiesel can be used without constraint in any vehicle that runs on diesel—no modifications are needed. Presently, diesel engines can take up to 20 percent soy in their soy-diesel blend. As the need for bio-diesel increases and the technology improves, we may soon witness the extinction of the fossil-fueled vehicle.This is good news for the planet, as biodiesel is a more stable source of energy than petroleum, and it reduces contamination of our air and water.

The word “deplete”, in line 1, could be better substituted by which of the following options?

Alternativas
Q2669122 Inglês

Read the following sentence:


The Common National Base is intended for the overall ............................................... development and it must ensure that the ............................................................ provided for under law, as well as the target student profile will be accomplished, thus making Basic Education an actual asset available to every ........................................ .


Choose the alternative that correctly fills the gaps in the sentence.

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Q2424755 Inglês

Choose the alternative where there is an odd word in the sequence.

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Q2423870 Inglês

Escolha a alternativa que corretamente completa a sentença abaixo.


Every night ______________ eating before 10 p.m.

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Q2423072 Inglês

British troops move black rhinos to Malawi


British troops have helped to move a group of critically endangered black rhinos from South Africa to Malawi to protect them against poaching. Soldiers from the 2nd Battalion Royal Gurkha Rifles moved 17 of the animals, which are hunted for their horns, in the hope they can be better protected. They were transported by air and road from KwaZulu-Natal in South Africa to Liwonde National Park in Malawi.

The troops then spent three months training rangers to keep them safe. Major Jez England, the officer commanding the British Army counter-poaching team in Liwonde, said the operation had been “hugely successful”. “Not only do we share skills with the rangers, improving their efficiency and ability to patrol larger areas, but it also provides a unique opportunity for our soldiers to train in a challenging environment”, he said.

The UK government says it has committed more than £36m to tackle the illegal wildlife trade between 2014 and 2021. Part of this is to help support trans-boundary work to allow animals to move more safely between areas and across national borders.


(Site: BBC - adaptado.)

Choose the word related to appearance:

Alternativas
Q2422756 Inglês

Read the text below and answer questions 35 to 40


  1. A new study from archaeologists at University of Sydney and Simon
  2. Fraser University in Vancouver, has provided important new evidence
  3. to answer the question "Who exactly were the Anglo‐Saxons?" New
  4. findings based on studying skeletal remains clearly indicate the Anglo‐
  5. Saxons were a melting pot of people from both migrant and local
  6. cultural groups and not one homogenous group from Western Europe.
  7. Professor Keith Dobney said the team’s results indicate that "the
  8. Anglo‐Saxon kingdoms of early Medieval Britain were strikingly similar
  9. to contemporary Britain ‐‐ full of people of different ancestries sharing
  10. a common language and culture." The collaborative study looked at the
  11. three‐dimensional shape of the base of the skull. "Baased on this, we
  12. collected 3D data from suitably dated skeletal collections from Britain
  13. and Denmark, and then analysed the data to estimate the ancestry of
  14. the Anglo‐Saxon individuals in the sample."
  15. The researchers found that between two‐thirds and three‐quarters of
  16. early Anglo‐Saxon individuals were of continental European ancestry,
  17. while between a quarter and one‐third were of local ancestry. When
  18. they looked at skeletons dated to the Middle Anglo‐Saxon period
  19. (several hundred years after the original migrants arrived), they found
  20. that 50 to 70 percent of the individuals were of local ancestry, while
  21. 30 to 50 percent were of continental European ancestry, which
  22. probably indicates a change in the rate of migration and/or local
  23. adoption of culture over time. "These findings tell us that being Anglo‐
  24. Saxon was more likely a matter of language and culture, not genetics."
  25. Although Anglo‐Saxon origins can clearly be traced to a migration of
  26. Germanic‐speaking people from mainland Europe between the 5th
  27. and 7th centuries AD, the number of individuals who settled in Britain
  28. is still contested, as is the nature of their relationship with the pre-
  29. existing inhabitants of the British Isles, who were Romano‐Celts.
  30. The ongoing and unresolved argument is whether hordes of European
  31. invaders largely replaced the existing Romano‐British inhabitants, or
  32. did smaller numbers of migrants settle and interact with the locals,
  33. who then rapidly adopted the new language and culture of the Anglo‐
  34. Saxons? "The reason for the ongoing confusion is the apparent
  35. contradiction between early historical texts (written sometime after
  36. the events that imply that the newcomers were both numerous and
  37. replaced the Romano‐British population) and some recent
  38. biomolecular markers directly recovered from Anglo‐Saxon skeletons
  39. that appears to suggest numbers of immigrants were few," said
  40. Professor Dobney. "Our new data sits at the interface of this debate
  41. and implies that early Anglo‐Saxon society was a mix of both
  42. newcomers and immigrants and, instead of wholesale population
  43. replacement, a process of acculturation resulted in Anglo‐Saxon
  44. language and culture being adopted wholesale by the local
  45. population." "It could be this new cultural package was attractive,
  46. filling a vacuum left at the end of the Roman occupation of Britain.
  47. Whatever the reason, it lit the fuse for the English nation we have today
  48. ‐‐ still comprised of people of different origins who share the same
  49. language," Professor Dobney said.

Adapted from article available at:

https://www.sciencedaily.com/releases/2021/06/210623144901.htm

Accessed on: July 13, 2021.

Select the alternative that contains a word that is formed in the same way as “mainland”(l. 26):

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Q2411478 Inglês

Mark the alternative that present the phonetic transcription of the word "hen".

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Q2410920 Inglês

Mark the alternative that correctly fills in the blank.


______________ are linguistic mechanisms that allow a logical-semantic connection between parts of a text. The connection and harmony that enable the binding of ideas within a text is made with the use of conjunctions, prepositions, adverbs or adverbial phrases.

Alternativas
Respostas
1321: E
1322: C
1323: E
1324: A
1325: D
1326: A
1327: C
1328: E
1329: C
1330: C
1331: A
1332: D
1333: C
1334: D
1335: A
1336: C
1337: A
1338: C
1339: D
1340: C