Not until_the whole thing to him_that he was wrong
题目
Not until_the whole thing to him_that he was wrong
A.had I explained,he realizde
B.had I explained,that he realized
C.I had explained,that he realized
D.I had explained,did he realized
答案
D
not until的后面倒装不是前面
如
Not until he arrived home did he find he'd left it in the restaurant.
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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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