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“Climate change remains one of the most pressing issues facing humanity today. If governments worldwide commit to reducing greenhouse gas emissions, there is a chance that global temperature increases can be limited to safer levels. However, if current trends continue unchecked, the consequences will be catastrophic, affecting ecosystems and societies alike. Scientists emphasize that, if early mitigation measures had been implemented decades ago, the severity of current impacts could have been significantly reduced.”


The sentence which correctly uses a conditional structure and maintains the intended meaning based on the context above is:

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“Without updating curricula to reflect the demands of the modern world, students may leave school without the skills needed to succeed in higher education or the workforce.” The conditional which best rephrases the idea expressed in this excerpt is:

Analise as afirmativas a seguir:


I. Zero Conditional: Indica fatos verdadeiros que ocorrem com frequência e sua formação é: if + simple present + simple present.

II. First Conditional: Indica possibilidades ou ações futuras prováveis. Sua estrutura é: If + simple past + simple future + presente.


Sobre orações condicionais (if clauses), assinale a alternativa CORRETA:

Julgue o item a seguir.


Requests for action or permission cannot be reported in Reported Speech using a subordinate clause with "if" or an infinitive. Therefore a sentence such as "He asked if it would be ok to miss next class" is an incorrect use of reported speech.

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Julgue o item a seguir.


When reporting direct yes-no questions in Reported Speech, it is common to introduce a subordinate clause with "if" or "whether". So it is correct to say that the reported sentence "She asked if you were going home" is properly adapted to reported speech.