请问这句话是强调句吗?
It has been confirmed that the system is advanced and scientific in management of safety,health and environment since its application in 1951
人气：422 ℃ 时间：2020-10-02 07:39:17
解答
这不是强调句.
it在这里只是形式主语罢了.
如果是强调句,拿掉it is...that还应该是一个完整的句子.
事实证明本系统自1951年应用以来在安全、健康和环境方面的管理是先进的、科学的.
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