she has go to beijing、she was go to beijing、这两句话正确吗?
题目
she has go to beijing、she was go to beijing、这两句话正确吗?
答案
若第一句中的has表完成时,则是She has gone to Beijing.
若第一句中的has表"必须",则是she has to go to Beijing.
若第二句表示过去进行时,则为She was going to Beijing.
若第二句表示一般过去时,则为She went to Beijing.
等等还有很多种改法,楼主要根据具体情况看~
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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．
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