A-A+
A．It lies in a sense of fulfillment.B．It lies
问题详情
A．It lies in a sense of fulfillment.
B．It lies in their rich imagination.
C．It lies in the increase of their knowledge.
D．It lies in the opportunity to continue the search.
参考答案
正确答案：C
解析：推理判断题。文章中有关科学家的快乐事有这样的句子：The scientist is not happy except when he finds something new. (科学家只有在发现新知识时才能得到快乐。)选项C快乐是因为知识的增长，与原文表达是一致的。答案是C。
