The relative atomic mass scale makes it possible to know how many atoms of an element are element
题目
The relative atomic mass scale makes it possible to know how many atoms of an element are element
接上面 are present in a sample of the element with a measurable mass.这句话的句子成分怎么划分啊?
答案
The relative atomic mass scale主语makes谓语it 形式宾语possible 宾语补足语to know how many atoms of an element are present in a sample of the element with a measurable mass.动词不定式做真正宾语（含一个...
举一反三
已知函数f（x）=x，g（x）=alnx，a∈R．若曲线y=f（x）与曲线y=g（x）相交，且在交点处有相同的切线，求a的值和该切线方程．
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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