第7题: [单项选择]大豆中含量较低的营养素是()。 A. 蛋白质 B. 钙 C. 维生素B1 D. 维生素B2 E. 铁 参考答案:C 答案解析:大豆中维生素B1含量较低。
第8题: [单项选择]A:Can I do anything for you? B:() A. No. You can't do anything for me. B. No,it's alright. I can manage myself. C. Never mind D. It's my pleasure 参考答案:B