湿空气的含湿量相同,其相对湿度()
A.相同
B.不同
C.不一定相同
D.都不对
参考答案:C
Tuantuan and Yuanyuan are the names _____ given to the two pandas which have been sent to Taiwan. [ ]
A. commonly
B. officially
C. personally
D. generally
在龋病调查资料整理阶段,统计分组方案下面有一项是错误的
A.年龄B.性别C.城乡D.文化程度E.不同地区