英语题目*用连词填空＊
题目
英语题目*用连词填空＊
1.I will go to the park with you ______ it is fine tomorrow.
2.Jenny thought that she had lost her key ______ in the shop _____ or her way home.
3.______ Peter met with many difficulties,he did not give up.
答案
1.if 2.either...or 3.though
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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．
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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