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国家开放大学 / 电子商务数据分析与应用
9、下面哪个超参数的增加可能会造成随机森林数据过拟合?()
A .树的数量
树的深度
学习速率
样本数量
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电子商务数据分析与应用
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第4讲(1-1-4) 德国汽车素有“经久耐用、朴实无华”的独特个性,风格与德国文化积淀非常契合。正确错误
汽车文化
1[阅读题] Last Friday a storm swept through two villages in the New Territories, destroying (摧毁) fourteen homes. Seven others were so badly damaged (破坏) that their owners had to leave them, and fifteen others had broken windows or broken roofs. One person was killed, several were badly hurt and taken to hospital, and a number of other people received smaller hurt. Altogether over two hundred people were homeless after the storm. A farmer, Mr. Tan, said that the storm began early in the morning and lasted for over an hour. “I was eating with my wife and children,” he said, “When we heard a loud noise. A few minutes later our house fell down on top of us. We tried our best to climb out but then I saw that one of my children was missing. I went back inside and found him, safe but very frightened.” Mrs. Woo Mei Fong said that her husband had just left for work when she felt that her house was moving. She ran outside at once with her children. “There was no time to take anything,” she said, “A few minutes later, the roof came down.” Soldiers helped to take people out of the flooded (水淹的) area and the welfare department (福利机构) brought them food, clothes and shelter.51. How many homes altogether (总共) were damaged in the storm? A. Fourteen B. Twenty-one C. Twenty-nine D. Thirty-six52. Where was Mr. Tan when the storm first began? A. He was in bed. B. He was inside the house.C. He was outside the house. D. He was on the roof.53. Mrs. Woo and her family didn’t get hurt because ______.A. her husband knew there would be a stormB. they were all outside the house when the storm became worseC. she felt the house was movingD. the welfare department helped her54. The underlined word “shelter” in this passage means ______.A. something to eat B. something to wearC. somewhere to study D. somewhere to stay55. Which of he following may be the best title for this passage? A. A Terrible Storm B. A Lucky WomanC. Good Soldiers D. Clever People
英语(一)
下列城市曾为夏都的有斟鄩(今偃师市) 帝丘(今濮阳市) 老丘(今开封市祥符区) 阳翟(今禹州市) 阳城(今登封市)
地域文化(专)
6[单选题] 佝偻病见肋骨串珠、手镯、脚镯、鸡胸、漏斗胸等属佝偻病的哪期 A.A.活动早期 B.活动期 C.恢复期 D.后遗症期
中西医结合儿科学
7[多选题] 家庭教育、学校教育、社区教育三教结合的基本形式有( ) A.互相访问 B.通讯联系 C.家长会 D.教育讲座 家庭学校
教育学
四家诗是汉时鲁、齐、郎、毛四家诗说的合称。毛诗学者以毛亨和毛苌为代表,他们将诗和《左传》配合起来,并杂取三家诗义,以诗论史,以诗明义。
古代文论
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