a part of +什么名词

a part of +什么名词 TV has became part还是a part of our life.part是可数名词吧?为什么用part? part of和a part of有什么区别? 请问a part of和part of的区别在课外阅读上经常看到的是part of而不是a part of,part应该是可数名词吧,如果不加不定冠词a也应该加个定冠词the吧,那它们有什么区别?ps:刚才稍微查了一下,有人说a part Here is part of his talk.为什么这里的part前面不加a?part不是可数名词么? a large part of 修饰可数名词还是不可数名词啊? a part of,part of,parts of三个词有什么区别? a part of the part of part of 区别 part of造句,3个,帮个忙用part of 造句要part of 加单数名词,part of 加复数名词,part of 加复数谓语,急用,下午就要 A small part of a part of与part of的用法有什么区别 a part of 和 part of 有什么区别呢?该怎么用呢? only ------the surface of the earth is land.A.part of B.a part of C.parts of D.part 选什么为什么 is part of和 is a part of 的区别是名词与形容词的区别呢还是 具体事物与抽象事物的区别啊? a great diversity of 修饰什么名词 a great diversity of 修饰什么名词? This is a part of my music什么意思 Change is a necessary part of life ,什么意思