一道判断题
题目
一道判断题
1.we ___ use this car in a few hours.
Ashall have to
B need to
C must have to
D ought to
2.问句这两个都对吗?where do you gratuate from?or where are you gratuated from?
I am gratuated from Harvard.
when were you graduated from?
when didi you garaduate from?这两句都对吗?
答案
We need to use this car in a few hours
Where did you graduate from
I graduated from Harvard
如果是问毕业的时间,不用from.
when did you graduate?
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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