1 ¿Qué oración de la sección “Las vacunas ayudan a los cuerpos a combatir los virus” explica CÓMO los anticuerpos ayudan a las personas?
(A) Su cuerpo ve el virus débil como un ataque.
(B) Comienza a producir anticuerpos.
(C) Estas son proteínas.
(D) Ayudan a combatir el virus si lo vuelven a ver en el futuro.
Answers: 1
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1 ¿Qué oración de la sección “Las vacunas ayudan a los cuerpos a combatir los virus” explica CÓMO lo...
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