The medicinal reserchers are doing their best to fight bird flu.They think more of the public health
题目
The medicinal reserchers are doing their best to fight bird flu.They think more of the public health care than _______.
A)they B)them C)themselves D)theirs
答案
大意 这些药学研究者们正在尽他们的最大努力和禽流感做斗争,他们考虑到公共卫生注意事项比自己还多 这里是要代指这些medicinal reserchers,所以选c themselves
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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