你好中午求教过请问ikea invented a cardboard camera called...转换成__cardboard camera called ...is
题目
你好中午求教过请问ikea invented a cardboard camera called...转换成__cardboard camera called ...is
invented by ikea,此时空里应该填什么呢 换做 ___cardboard camera which is invented by Ikea is called呢 能有什么区别呢
答案
这个填 a/the 要看上下文.从你打出来的字,看不出 a 或者 the.如果前面提到过这个照相机了,那么就用 the.否则,用 a.
_A__cardboard camera which is invented by Ikea is called
一个IKEA发明的纸板式照相机,叫做.
_The__cardboard camera which is invented by Ikea is called
那个IKEA发明的纸板式照相机,叫做.
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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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