40毫米=4厘米,
4÷10=0.4(厘米)=4(毫米);
故选:A.
以下哪些属于中药鉴定学的任务
A.考证和整理中药品种
B.鉴定中药真伪优劣
C.研究和制定中药规范化质量标准
D.寻找和扩大新药源
E.研究中药药理作用
—He didn't go to the lecture this morning, did he?
— .Though he was not feeling very well. [ ]
A. No, he didn't
B. Yes, he did
C. No, he did
D. Yes, he didn't