题目

某小组将调查的生物进行了分类，将水草、鲤鱼、荷花、虾等归为一类，将桃花、菊花、小麦、鸡等生物归为以一类。归类的依据是（） A . 生物的形态结构特点 B . 生物的用途 C . 生物的种类 D . 生物的生活环境 答案：D Do you feel like ________ out or would you rather that the two of us ________ dinner at home? [　　] A． going; to have B． to go; are going to have C． to go; having D． going; had