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One day in the next couple of years, everyone in the world will lose a second of their time. Exactly when that will happen is being influenced by humans, according to a new study, as melting polar ice alters the Earth’s rotation and changes time itself.
The hours and minutes that dictate our days are determined by Earth’s rotation. But that rotation is not constant; it can change ever so slightly, depending on what’s happening on Earth’s surface and in its molten core.
These nearly imperceptible changes occasionally mean the world’s clocks need to be adjusted by a “leap second,” which may sound tiny but can have a big impact on computing systems.
Plenty of seconds have been added over the years. But after a long trend of slowing, the Earth’s rotation is now speeding up because of changes in its core. For the first time ever, a second will need to be taken off.
“A negative leap second has never been added or tested, so the problems it could create are without precedent,” Patrizia Tavella, a member of the Time Department at the International Bureau of Weights and Measures in France, wrote in an article accompanying the study.
But exactly when this will happen is being influenced by global warming, according to the study published Wednesday in the journal Nature. Melting polar ice is delaying the leap second by three years, pushing it from 2026 to 2029, the report found.
“Part of figuring out what is going to happen in global timekeeping … is dependent on understanding what is happening with the global warming effect,” said Duncan Agnew, professor of geophysics at the University of California San Diego and the study’s author.
(https://edition.cnn.com/2024/03/27/climate/timekeeping-polar-ice-melt-earth-rotation/index.html)
Select the correct alternative, according to the text:
I. I am exhausted because I’ve been working hard.
II. She tried hard to remember my name but she couldn’t.
III. Roger Federer is a great tennis player. He hits the ball hardly.
IV. This shirt is practically new. I’ve hardly worn it.
Choose the sentence with the correct transformation to passive voice:
"The team won the championship after months of rigorous training and strategizing."
Paulo Freire once said, “There is no such thing as neutral education”.
( 1 ) MANNER ( 2 ) TIME ( 3 ) PLACE ( 4 ) FREQUENCY ( 5 ) DEGREE ( 6 ) CONJUNCTIVE
( ) Very, absolutely, totally, rather, quite, really, completely, extremely, fairly
( ) There, here, somewhere, everywhere, nowhere, anywhere, abroad, northwards.
( ) Also, however, otherwise, indeed, finally, furthermore, nonetheless, in fact.
( ) Usually, sometimes, never, often, always, rarely, occasionally, seldom.
( ) Soon, early, now, today, tomorrow, yesterday, then, now, lately, next.
( ) Quickly, slowly, easily, fast, well, carefully, correctly, noisily, silently.
( )Written English is more complex grammatically than spoken English, with longer and more complex sentences, fewer contractions, and more subordinate clauses.
( ) Spoken English is more likely to be face-to-face communication, while written English is more likely to be communication through the written word.
( ) Spoken English is more fixed and stable than written English, which is more fleeting.
( ) Spoken English is usually more organized and carefully formulated than written English.
( ) Written English is typically more structured and forms a monologue rather than a dialogue, while spoken English is more likely to be a dialogue.
( ) Written English communicates across time and space for as long as the medium exists and the language is understood. Spoken English is more immediate.
( ) Spoken English normally uses a generally acceptable standard variety of the language, whereas written English may sometimes be in a regional or other limited-context dialect.
( ) In Spoken English, the content is presented much more densely. In written English, the information is “diluted” and conveyed through many more words: there are a lot of repetitions, glosses, “fillers”, producing a text is noticeably longer and with more redundant passages.
( A ) Flipped classroom. ( B ) Project-based learning. ( C ) Case studies. ( D ) Peer teaching. ( E ) Gamification. ( F ) Inquiry-based learning.
( ) Students learn from each other through pairing and sharing learning objectives. It is an effective way to encourage collaboration and communication, and can help students retain information.
( ) It involves the use of game elements in non-game situations to increase motivation and learning. It can also be used in the classroom to increase student engagement, motivation, and knowledge retention while helping them to develop a positive attitude towards learning.
( )Students find solutions to problems mainly by themselves, and then present their findings to the class. It is an active approach that encourages students to become self-directed learners. It also emphasizes contextual and experiential approaches to learning.
( ) Students apply their knowledge to real-world problems, often open-ended. They also work on projects over an extended period of time – from a week up to a semester – that engage them in answering a complex question.
( ) Students are placed in an active learning role, promoting research, problem-solving, and highlevel cognitive skills. It challenges students to think critically and creatively to develop solutions.
( ) It focuses on problem solving and learning activities in the classroom, while content transmission happens outside of the classroom. Students learn content at home through readings, videos, or other activities before class. In class, students participate in activities like practice, application exercises, discussions, and team-based learning.
I. Her aunt will be vacating next week.
II. That toy on the shelf is mine.
III. Did you do it yourself?
IV. She is the girl I was talking to you about.
V. I am going home today evening.
VI. All my friends are coming home for my birthday party.
In the order they were respectively underlined and written in bold letters, the pronouns written in the sentences above have specific functions, check the answer whose pronouns types are correspondent to the ones read above.
( A ) GRAMMAR-TRANSLATION METHOD ( B ) DIRECT METHOD ( C ) ORAL APPROACH ( D) AUDIOLINGUALISM METHOD
( ) Grammatical rules are not presented formally and the texts used for reading and writing activities are no longer literary since this method is based on certain principles, such as: selection, gradation and presentation.
( ) Learning is associated with syntactic, morphological and phonological structures which are learned from a system of stimulus, response and reinforcement.
( ) In this method, the writing skill is also developed, but not with a communicative purpose.
( ) Adopting the monolingual principle, this method involves the use of objects, gestures and images to explain the meanings of words, since the students' native language is prohibited from being used.
( ) Language learning would be associated with the formation of readers and the intellectual development of students.
( ) This method involves automatic correction and immediate assessment of students' mistakes by teachers in order to prevent the students from forming or acquiring bad habits and behaviors during the learning process.
( ) As a theoretical systematization of foreign language teaching, its objective would be the development of students' oral skills as the vocabulary and grammatical structures they have learned would be controlled in terms of frequency of occurrence.
( ) In this method, learning must be directly connected to the target language without going through the process of translation into the students' native language.
( ) The language to be taught is the spoken language and the new elements of the language are practiced situationally as the grammatical items are proposed gradually, that is, from the simplest to the most complex forms.
( ) In this method, language is both seen and considered as a behavior, for it is a means of oral communication.