搜题请搜索小程序“爱下问搜题”
问题 单项选择题

根据统计学相关关系判断规则：相关系数在（）范围是显著的；

A、>0.80或<-0.80

B、-0.80和0.80

C、>0.80或>-0.80

D、-1和+1

答案

参考答案：A

填空题

词汇：根据句意和汉语提示，在空格处填入正确的单词。（每空限填一词）

1. I hope you can miss me when you ________ back (回想起) the time.

2. The movie is well ________ (值得)seeing.

3. Dick has worked in China since he ________ (毕业) from the college four years ago.

4. After finding the ________ (真相), we all believed Jack was honest.

5. Computer is more and more popular now. It has a huge _________ (影响) on our life.

6. We should brush our_________ (牙齿) every day.

7. China has already carried out the one-child _________ (政策) to control the population.

查看答案
多项选择题

《兽药管理条例》规定，国家实行（）兽药管理分类制度。

A.处方药

B.禁用药

C.非处方药

D.非禁用药
查看答案