ShenzhouVII ,（ ）up into space on September 25,2008,has greatly inspired the whole nation.
题目
ShenzhouVII ,（ ）up into space on September 25,2008,has greatly inspired the whole nation.
A sent B to be sent C being sent D sending ,这种类型的题 我一点都不会做.
那下面这个题目了
Joined by their friends,Lucy and Tom staged a musical _______their hopes and fears about the future.
A reflecting B reflected C being reflected D having reflected 这一题是主动关系，为什么也选
-ed形式的 什么原因
答案
第一个选A,完整的是which was sent.第二个也是ed形式,这个就更加简单了,就是过去式而已.
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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