项目可行性研究的前提和基础是( )。
A.效益研究
B.市场研究
C.技术研究
D.规模研究
参考答案:B
I really don’t know______Tom lost his wallet.
A.when was it that B that it was when
C. where it was that D. it was where that
当某确定的食品安全危害的引入或产生,在没有组织进一步干预的情况下,仍能满足可接受水平时,则组织无需要对其进行控制。