题目内容

4.Which cancer risk is the lowest among all the four kinds of cancer mentioned in the passage?

A. Oral cancer
B. Laryngeal cancer
C. Pharyngeal cancer
D. esophageal cancer

查看答案
更多问题

一般而言,验证样本占总样本量的比例为( )

A. 0.1
B. 0.15
C. 0.2
D. 0.25
E. 0.05

是什么东西

A. 1
B. 2
C. 3
D. 4

66

A. 6
B. 7
C. 7
D. 7

肯定

A. 2
B. 1
C. 3
D. 4

答案查题题库