问题
单项选择题
以杂粒数、气泡数等数字为数据制作的控制图是()
A.按统计量分类的控制图
B.管理用控制图
C.分析用控制图
D.均值控制图
E.极差控制图
答案
参考答案:A
以杂粒数、气泡数等数字为数据制作的控制图是()
A.按统计量分类的控制图
B.管理用控制图
C.分析用控制图
D.均值控制图
E.极差控制图
参考答案:A
用方框中所给单词的适当形式填空,使短文通顺、正确、连贯(每个单词限用一次)。
…but I’m pretty healthy. I exercise every day, 51 when I come home 52 school. My 53 habits are pretty good. I try to eat 54 of vegetables. I eat fruit and drink milk every day. I 55drink coffee. Of course, I love junk food, 56 I eat it two or three 57 a week. Oh, and I sleep nine hours every night. So you see, I look after my 58 . And my healthy lifestyle 59 me get good grades. Good food and exercise help me to study 60 . |