用所给的介词和短语填空
题目
用所给的介词和短语填空
in,after.along,over.between.across.out of,off.at on,
the meeting is going to begin nine
three boys and two girls are swimming the river
a boeing 737passenger plane is fluing the srtait
the boys jump the tree
we are walking the banks of the river in our village
stop looking the window,please listen carefully
答案
the meeting is going to begin on nine
three boys and two girls are swimming in the river
a boeing 737passenger plane is fluing over the srtait
the boys jump off the tree
we are walking along the banks of the river in our village
stop looking out of the window,please listen carefully
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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