Resposta obtida por resolução técnica — sem correção automática
Read the text about The Soldier’s Life: Radio Basics.
The Soldier’s Life: Radio Basics.
Radios are vital military tools. They allow soldiers to stay in contact during combat and other operations. Most radios are made to hop frequencies. This system prevents enemy from listening to the full conversations. The SINCGARS (man-pack) and AN/PRC-148 (handheld) are common military radios.
Choose the right option to answer the question: What’s the meaning of “stay in contact” in the text?
The Soldier’s Life: Radio Basics.
Radios are vital military tools. They allow soldiers to stay in contact during combat and other operations. Most radios are made to hop frequencies. This system prevents enemy from listening to the full conversations. The SINCGARS (man-pack) and AN/PRC-148 (handheld) are common military radios.
Choose the right option to answer the question: What’s the meaning of “stay in contact” in the text?
Resolução comentada
'Stay in contact' = manter comunicação.
O texto diz que rádios permitem aos soldados 'stay in contact' durante operações, isto é, manter comunicação entre si.
Análise das alternativas
A) hop frequencies é uma característica técnica dos rádios. B, C e D não têm relação com o sentido de 'stay in contact'.
Referência: Vocabulário em contexto.
Resolução comentada do VaiConcursos.