_is known to us all is that the Chinese goverment has spared no efforts to protect people from fake food.A,that.B,it.C,that.D,what.仔细分析
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_is known to us all is that the Chinese goverment has spared no efforts to protect people from fake food.A,that.B,it.C,that.D,what.仔细分析
_is known to us all is that the Chinese goverment has spared no efforts to protect people from fake food.A,that.B,it.C,that.D,what.仔细分析
_is known to us all is that the Chinese goverment has spared no efforts to protect people from fake food.A,that.B,it.C,that.D,what.仔细分析
答案是D,what引导主语从句 并作主语从句的中的主语.
选项AC,that引导 名词性从句时 不能作句子成分 故错
选项B,it.是形式主语 须把第二个is去掉
如果用 as 则是 非限制性定语从句 须把 is that去掉 换成逗号
_what is known to us all is that the Chinese goverment has spared no efforts to protect people from fake food
=it is known to us all that the Chinese goverment has spared no efforts to protect people from fake food
=as is known to us all ,the Chinese goverment has spared no efforts to protect people from fake food
What