采购时要选择适当的采购时间,既要保证供应不间断、(),又不能因过早采购而出现积压。
参考答案:库存合理
下列哪项不是公共卫生执法文书的特点()。
A.内容的法律性
B.形式的程式化
C.具有普遍的约束力
D.固有的专业技术性
E.实施的有效性
动词填空。
1. What a beautiful picture! Can it ________ (put) up at Christmas?
2. —Where's my pen? —I just ________ (put) it here on the desk.
3. Mum told me spring ________ (follow) winter.
4. She ________ (listen) to the English program when I went to see her yesterday.
5. —Don't park here. —Sorry, I ________ (not see) the sign.