A. They are the smallest marine animals. B. They are pink in color. C. They are similar in size to lobsters. D. They have grass like bodies. 参考答案:B 答案解析:[解析] 事实细节题。根据倒数第二段对“krill”的描述,作者只提到它显眼的粉红色(Because of their pink color,they often appear,as a solid
第32题: [单项选择]下列选项中,( )是指对有能力接受并愿意接受的某个产品的欲望。 A. 需求 B. 要求 C. 期望 D. 希望 参考答案:A 答案解析:[解析] 需求是指对有能力接受并愿意接受的某个具体产品的欲望(欲望是指对具体满足物的愿望),当具有接受能力(如购买能力)时,欲望便转化成需求。