题目

我们生活中常吃的豆腐和玉米粥中营养物质主要来自（ ）①种皮   ②胚芽   ③子叶   ④胚乳A．③④B．①②C．①④D．②③ 答案：A解析:略—My name is Lingling, __________ my English name is Carla.—Nice to meet you, Lingling.A. and B. butC. so D. or