there be 就近原则
题目
there be 就近原则
比如 there【 】a lot of.
用are还是is 是看词组还是单词
答案
要看a lot of后面是什么词.如：There is a lot of water in the lake.There are a lot of children in the park.注意下面两句话：There is a lot of water and fish in the lake.There are a lot of fish and water ...
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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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