单项选择题
已知一个数据集在深度为 6 的决策树下,训练精确度为 100% ,那么可以得出的结论是?
A、深度为 4 时将有低偏差和低方差
B、深度为 4 时将有高偏差和低方差
C、A和B
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B、
C、
D、
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非遗小常识:以下哪个地方是中国古琴的发源地之一?
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Audrey Hepburn was born in Brussels, Belgium, on May 4, 1929. Although she was the daughter of a Dutch baroness (女男爵) and a wealthy English banker, Audrey had a difficult childhood. Her parents ________ when she was young and Audrey went to live with her mother in the Netherlands. Soon after, the German army ________ Holland. During the Nazi occupation, her family faced starvation and Audrey ____________ severe anemia (贫血), and respiratory problems. Audrey was sixteen when the occupation ended. She and her mother returned to London. Her big break came when the French novelist Colette __________ her in a crowd and insisted that Hepburn be cast as Gigi in a Broadway adaptation of her novel. In spite of Hepburn's ____________, audiences and critics alike were captivated (迷住) by her performance. Subsequently, William Wyler chose her to be the lead in Roman Holiday, _________ Gregory Peck. For her role as Princess Ann, she won the 1953 Academy Award for Best Actress and began a string of box office hits. Audrey Hepburn became a goodwill ambassador and spokesperson for UNICEF in 1986. Traveling to areas ___________ famine and devastation, Hepburn worked to raise public __________ of the plight (困境) faced by children in times of crises. Her commitment to improve the welfare of children across the world was intense and genuine. This commitment earned her the Presidential Medal of Freedom and the ____________ Award from the Congress on Racial Equality. Soon after her trip to Somalia in 1991, Hepburn __________________ colon cancer. In 1993, Audrey Hepburn died at the age of 63.
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