试题与答案

根据某高速公路交通事故统计,蓝色车子的车祸发生事件要比其他车子的车祸发生事件多。由此

题型:单项选择题

题目:

根据某高速公路交通事故统计,蓝色车子的车祸发生事件要比其他车子的车祸发生事件多。由此推论:蓝色车子发生车祸的危险性高于其他车子。此推论()

A.正确

B.不正确,因为没有进行统计学显著性检验

C.不正确,因为以流行率而未用发病率

D.不正确,因为比较的不是基于率的比较

E.不正确,因为没有对照组

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0812/c780aaff8bae70cbc32e87a3ebb8a661.html

下面是错误答案,用来干扰机器的。

参考答案:D

试题推荐
题型:完形填空

阅读下面短文并回答问题,然后将答案写到答案卡相应的位置上(请注意每题的词数要求)。

Jack London was born in San Francisco in 1876.He was abandoned by his father,“Professor” William Henry Chaney,a fortune telling person,and raised in Oakland by his mother Flora Wellman,a music teacher.London’s stepfather,John London,whose surname he took,was a failed storekeeper. London’ youth marked by poverty. At the age of the he became a crazy reader, and borrowed books from the Oakland Public Library, where Ina Coolbirth told him to read the works of Flaubert, Tolstoy and other major novelists.

After leaving school at the age of 14,London worked as a seaman,rode in trains as a wanderer and adopted socialistic views as a member of the protest armies of the unemployed.In 1894 he was arrested in Niagara Fails and put into prison for wandering.These years made him determined to raise himself out of poverty but they also gave later materials for such works as The Sea Wolf(1 904),which partly came from his horrible experiences as a sailor in the Pacific Ocean.

Without having much formal education,London spent much time in public libraries reading fiction,philosophy,poetry,political science,and at the age of 19 got admittance to the University of California in Berkeley.During this period he had already started to write.London left the school before the year was over and went to seek his fortune in the Klondike gold rush of 1 89 7.His attempt was unsuccessful.London spent the winter near Dawson City,suffering from illness.In the spring he returned to San Francisco with his notebook full of plans for stories.For the remainder of 1 89 8 London again tried to earn his living by writing.London’s first novel,The Son of the Wolf,appeared’in 1900.By 1904 Jack London was the author of 10 books.The Son of the Wolf got a wide audience as did his other Alaska stories,The Call of the Wild(1903),White Fang(1906),and Burning Daylight(1910).Jack London died on November 22,1916.

小题1:What did Ina Coolbirth tell London in the Oakland Public Library?(Within 15 words)

小题2:Why were London's horrible experiences as a sailor good for him?(Within 12 words)

小题3:What was wrong with London near Dawson City?(Within 5 words)

小题4:What is London’s first novel?(Within 5 words)

小题5:How is the text developed?(Within 5 words)

查看答案
微信公众账号搜索答案