1.Where is your computer,Jean?Look!It is on the t____.2.What can you see in the picture?
题目
1.Where is your computer,Jean?Look!It is on the t____.2.What can you see in the picture?
I can see a green p_____on the desk.3.I often put my math book in my school b___.4.How many c___ are there in your room?Only one.But you can sit on the bed.5.Do you k____that girl is name?Yes,she is Ann.根据句意及首字母提示补全单词
答案
table pen bag chairs know
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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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