英语 急 (22 8:46:38)
题目
英语 急 (22 8:46:38)
Make reach send hear show discover
1.I've just------the news on the radio.
2.Some scientists,have-------a spacecraft to Mars.
3.The spacecraft has just--------Mars.
4.The news--------me happy.It's wonderful.
5.So we have't--------if there is life on Mar's yet.
6.Can you-----------you model of the space station to me?
答案
1 heard
2 sent
3 reached
4 made
5 discovered
6 show
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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