_____from the sun that we get light and heat.A.it is B.it was C .that is D.that was
题目
_____from the sun that we get light and heat.A.it is B.it was C .that is D.that was
答案
A
it is .that 强调句巨型
我们是从太阳得到光和热.
祝进步!
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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