计量确认文件的主要类别是什么？
参考答案：
1）、国家计量法律、法规
2）、国家、行业、地方、自编的计量检定、校准规程、作业指导书
3）、证书、报告和记录
根据旬意和汉语提示，在空格中填入正确的单词。(每空填一词)
小题1:Kate is a_____(高的)girl with a round face．
小题2:The_______(老板)used to support poor children
小题3:Walk _______(沿着)the road and turn right at the first crossing
小题4:They usually have some milk and________(面包)for breakfast．
小题5:Young people should_______(掌握)English and computer technology．
小题6: The children were so happy that they could_______(几乎不)speak．
小题7:Zheng He even_______(航行)to the east coast of Africa during the Ming dynasty
