题目

At 26, Jane Goodall had no college education or science training. But since childhood, she had been dreaming of working closely with animals in Africa. “All through my childhood people said you can't go to Africa. You're a girl.” Goodall says. “But my mother used to say, if you really want to, there's nothing you can’t do.”       In 1957, the 26-year-old Goodall went to Kenya to work as a secretary. She also arranged to meet the famous scientist Louis Leakey, who was so impressed by her enthusiasm that he hired her as his assistant. She went with him on many trips to the对元素周期表和元素周期律的发现有突出贡献的科学家是 A．拉瓦锡 B．门捷列夫 C．阿伏加德罗 D．道尔顿