为了防虫,与鹿茸同贮存的是()
A.细辛
B.生姜
C.荜澄茄
D.当归
E.酒蒜
参考答案:A
How many _____ do you have this term?[ ]
A. lessons
B. projects
C. classes
D. courses
钨酸钙荧光体发射光谱峰值是()
A.420nm
B.550nm
C.633nm
D.820nm
E.950nm