各类游标卡尺精度不同,一般常用的有0.02mm、0.05mm、0.10mm,其中精度最低的是()mm。
A.0.05
B.0.01
C.0.10
D.0.02
参考答案:A
请你根据句意及所给首字母提示,补全单词。
1.We should try our best to protect the e_________.
2.There are four s_________ in a year, spring, summer, autumn and winter.
3.She is a careful girl, so she made few m_________ in the exam.
4.My brother joined the army (军队), because he wanted to be a s_________ in the future.
5.The p_________ of China is over 1.3 billion (十亿).
软件可靠性是指在给定的时间间隔内,程序成功运行的()