用下列同义词造句
题目
用下列同义词造句
1.like…better than… \ prefer…to 2.instead \ instead of 3.too…to \ …enough to4.…than… \ as…as5.fail to do sth \ not6.like \ be fond of 7.should \ had better 8.needn't \ don't have to
答案
1 He prefers watching football to playing it
== He likes watching football better than playing it.
2 She didn't come. Instead,she stayed at home.
==She stayed at home instead of coming.
3 They are so busy that they can't come.
=== They are too busy to come.
===They aren't free enough to come.
4 He is taller than I.
===I am not as tall as he is
5 He failed to come on time.
===He didn't come on time.
6 We like travelling.
===We are fond of travelling.
7 You should go there again.
==You had better go there again.
8 You needn't come if you don't want to.
===You don't have to come if you don't want to.
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.
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