第21题: [单项选择]孕期需特别考虑的维生素为() A. 维生素A、维生素D及维生素E B. 维生素A、维生素C及B族维生素 C. 维生素C、B族维生素及维生素D D. 维生素A、维生素D及B族维生素 E. 维生素C、维生素D及维生素E 参考答案:D 答案解析:许多维生素在血清中的浓度于孕期是降低的,孕期需特别考虑的维生素为维生素A、维生素D及B族维生素。
第27题: [单项选择]A. He is not interested in the competition. B. He doesn’t know if the super girl was successful. C. He can’t follow the state competition. D. He thinks the super girl of last week was eliminated. 参考答案:B 答案解析:[听力原文] W: Do you know whether the super girl of last week was promoted to the state competition o