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Aspartame - is it a possible cause of cancer?
The sweetener aspartame, which is found in a variety of foods and fizzy drinks, is set to be officially classified as "possibly carcinogenic" to humans, reports claim.
The label frequently causes confusion as it gives no sense of whether the potential risk is big or miniscule.
Other "possibly carcinogenic" substances include aloe vera, diesel and pickled Asian vegetables.
The BBC understands the International Agency for Research on Cancer (IARC) will make an announcement on 14 July.
(adaptado de https://www.bbc.com/news/health-66057216 Acesso em: 08 jun. 2023.
Assinale a alternativa correta para countable nouns :
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The Hardworking Family
John is a hardworking man. He always gets up early to work and to do all the things he has to do. Mary, John's wife, helps him and she usually spends a lot of time at work with John. John works all the time.
John and Mary have three children who often complain that their parents work too much and seldom enjoy life. They say, "Dad, you and Mom should take a break from work and try to have some fun. You never relax."
John's answer is: "Sometimes I think of taking a vacation, but who will pay our bills?". Mary agrees with John and says that someday their children will understand the situation.
(Adaptado de: <https://www.englishexperts.com.br>. Acesso em: 9 jun. 2023.)
Assinale a alternativa que apresenta a classe gramatical das palavras em destaque no texto:
Instruction: answer questions 31 to 40 based on the following text. The highlights throughout the text are cited in the questions.
He donated blood and saved the lives of 2.4 million babies
01 Most people get a gold watch when they retire. James Harrison deserves so much more than
02 that. Known as the “Man With the Golden Arm,” Harrison has donated blood nearly every week
03 for 60 years, and after all those donations, the 81-year-old Australian man “retired” Friday.
04 According to the Australian Red Cross Blood Service, he has helped save the lives of more than
05 2.4 million Australian babies because his blood has unique, disease-fighting antibodies.
06 Harrison’s antibodies have been used to develop an injection called Anti-D, which helps
07 fight against rhesus disease. This disease is a condition where a pregnant woman has rhesus-
08 negative blood (RhD negative) and the baby in her womb has rhesus-positive blood (RhD
09 positive), inherited from its father. If the mother has been sensitized to rhesus-positive blood,
10 usually during a previous pregnancy with a rhesus-positive baby, she may produce antibodies
11 that destroy the baby’s “foreign” blood cells. In the worst cases, it can result in brain damage,
12 or death, for the babies.
13 Harrison’s remarkable gift of giving started when he had major chest surgery when he was
14 just 14. Blood donations saved his life, so he pledged to become a blood donor. A few years
15 later, doctors discovered his blood contained the antibody which could be used to create Anti-D
16 injections, so he switched over to making blood plasma donations to help as many people as
17 possible. Doctors aren’t exactly sure why Harrison has this rare blood type, but they think it
18 might be from the transfusions he received when he was 14, after his surgery. He’s one of no
19 more than 50 people in Australia known to have the antibodies, according to the blood service.
20 “In Australia, up until about 1967, there were literally thousands of babies dying each year,
21 doctors didn’t know why, and it was awful.” Jemma Falkenmire, of the Australian Red Cross
22 Blood Service, told CNN. “Australia was one of the first countries to discover a blood donor with
23 this antibody, so it was quite revolutionary at the time.”
24 The blood service estimates Harrison saved more than two million lives, and for that, he is
25 considered a national hero in Australia. He’s won numerous awards for his generosity, including
26 the Medal of the Order of Australia, one of the country’s most prestigious honors. Now that
27 Harrison has given his last blood donation (in Australia you can’t donate blood past the age of
28 81), Falkenmire and others hope people with similar antibodies in their blood will step up and
29 donate.
(Available at: https://edition.cnn.com/2018/05/11/health/james-harrison-blood-donor-retires-trnd/index.html – text especially adapted for this test).
The plural forms of countable nouns usually follow specific spelling rules. Which of the words below would follow the same rule as “babies”?
Drones are an integral part of the defense and supply-chain industry. However, their prowess and versatility extend beyond these sectors. As the demand for UAVs (unmanned aerial vehicles) continues to increase, the drone market is now estimated to be valued at over 127 billion dollars.
These uncrewed aircrafts can potentially develop numerous sectors, including transport and travel, exponentially. This is primarily due to their remarkable evolution of collision-avoidance technologies through computer vision and artificial intelligence, allowing them to operate autonomously.
The dynamic innovation of drone transportation can positively impact emergency services by decreasing emergency response time, offering valuable data from inaccessible regions, and identifying victims via thermal imaging.
Though the concept of a UAV emerges from being “unmanned,” its autonomous power can be used to create functional, personal transportation. Well-known companies like Uber, Airbus, and Boeing are constantly working on developing self-flying drones that can take people from one place to another.
In conclusion, drone transportation has a lot of untapped potential beyond supply chain and security surveillance. Whether it is for emergencies, luxury, or space exploration, the future is optimistic for the travel industry.
Internet: <www.skygrid.com> (adapted).
Based on the previous text, judge the following item.
The word “their” (second sentence of the second paragraph)
refers back to “sectors” (first sentence of the second
paragraph).
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