...如何提问We often play basketball after school中的“often”?
题目
...如何提问We often play basketball after school中的“often”?
答案
How often do you play basketball after school?
“How often”可以用于询问事情发生的频率,根据情况可以用seldom(很少)
、sometimes(有时)、 often (经常)、 usually (总是)进行回答.
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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