物质分子对辐射的选择性吸收而得到的光谱称()。
参考答案:吸收光谱
食厥发病常见诱因为:
A.脾虚B.湿盛C.脾虚湿盛D.肝脾不和E.脾胃失调
High school ______ covers a lot, including Chinese, Math, Geography and so on.
A.ability
B.information
C.practice
D.course