【简答题】Many people catch a cold in the spring time and / or fall. It makes us wonder .if scientists can send a man to the moon, why they can't find a cure for the common cold. The answer is easy. There are ...
【单选题】听力原文: Many people catch a cold in the springtime or fall. It makes us wonder... if scientists can send a man to the moon, why can't they find a cure for the common cold. The answer is easy. There see ...
【简答题】Many people catch a cold in the springtime or fall. It makes us wonder… if scientists can send a man to the moon, why can't they find a cure for the common cold? The answer is easy. There are actually...