财政支出绩效评价的原则有（）。
A.科学规范原则
B.公正公开原则
C.分级分类原则
D.绩效相关原则
参考答案：A, B, C, D
春季角结膜炎患者可选用的药物()
A．色甘酸钠
B．埃美丁
C．典必殊
D．氧氟沙星
E．0.05%FK-506
The microscope opened up to man another strange new world: a world of things too near and small for anyone () the scientist to know much about or do much about.
A. besides
B. apart from
C. but
D. without
