Output is now six times ________ it was before liberation.这题答案为什么是what而不是that

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• which 和 what 在从句中的用法1.Output is now six times what it was before liberation.2.They are so alike that you can't tell which is which. 想请教一下为什么这么用?不是说what用在名词从句里,而which单独时用在形容词不是说what用在名词从句,which单独时用在形容词从句吗?第一句为什么不是‘which it was before liberation’ 来修饰times,做形容词从句?第二句为什么不是‘what is which ’做tell的宾语从句,which能做从句的主语吗?不是what才能做从句的主语吗?
• Output is now six times ________ it was before liberation.这题答案为什么是what而不是that
• Output is now six times ________ it was before liberation.这题答案为什么是what而不是that
• 若有关自然数n的加法运算:n+(n+1)+(n+2)产生进位现象,则称n为“连加进位数”例如2不是连加进位数,2+3+4=9不产生进位现象,4是连加进位数,因为4+5+6=15产生进位现象;13是连加进位数,因为13+14+15=42产生进
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