情志内伤,最易损伤()
A.心肝肺
B.心肝脾
C.心肝肾
D.脾肺肾
E.肝脾肾
参考答案:B
Smoking is so harmful to people’s health that it kills __________ people each year than automobile accidents.
A.seven more times
B.seven times more
C.over seven times
D.seven times
下列哪种材料为漫反射(均匀扩散反射)材料
A.大白粉刷表面 B.较粗糙的金属表面C.金属表面 D.光滑的纸面