会计检查的管理模式（）
A.统一领导
B.分级负责
C.统一组织
D.部门协作
参考答案：A, B, C, D
从下列句子中选出感叹句。
A. How beautiful the flowers are!
B. She didn't bring me her book.
C. Come in please!
D. Let me try.
E. What a fine day!
F. Put the pears in the box.
G. How good the teacher is!
H. Do come again, please!
是感叹句的有: _____________________________________________
化学品亚硝酸钠引用标准为（）。
A、GB6678
B、GB6680
C、GB2367–80
D、GB7372–87
