问题
单项选择题 B1型题
真阴性是()
A.经试验而被正确分类的患者的数目
B.经试验而被错误分类的非患者的数目
C.经试验而被正确分类的非患者的数目
D.经试验而被错误分类的患者的数目
E.经试验而被分类的患者总数
答案
参考答案:C
真阴性是()
A.经试验而被正确分类的患者的数目
B.经试验而被错误分类的非患者的数目
C.经试验而被正确分类的非患者的数目
D.经试验而被错误分类的患者的数目
E.经试验而被分类的患者总数
参考答案:C
完形填空。 | ||||
How are you, Pin? I'm writing a letter 1 you in my school. It's a big middle 2 . I'm in a big class. There're fifty students in my class. There are about three hundred teachers in my school. My English teacher 3 Mr Liu. 4 is a nice teacher. We go to school 5 Monday to Friday. There are four classes in the morning and two in the afternoon. We play games 6 four on Friday after class. I have many friends at school. One of them 7 America. She speaks English and Chinese. The others 8 Chinese.I like to play 9 them. We often 10 basketball together. That's my favorite game. | ||||
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