求英语填空题解答,谢谢~
题目
求英语填空题解答,谢谢~
1.look!the driver is driving too fast.he___driving______90 miles an hour.
a.must have been;at b.can't have been;at c.cant ba;in d.must be;at
2.this is the house in___my family have ever lived.
a.which b.that c.where d.whose
答案
1.d must表示很肯定的推测
2.a 定语从句,in which=where
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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