Police:what_________you________(do) from 7:00 to 9:00 last night?19.Mr.Li:I _________(watch) TV with
题目
Police:what_________you________(do) from 7:00 to 9:00 last night?19.Mr.Li:I _________(watch) TV with my daughter at home.20.Mr.Wang:I_________(have) dinner with my frieNds 21.Mr.Yang:I _________(read)the books in my study.22.Police:Who_________(stay)with you?23.Mr.Yang:No one.I __________(read)in my study alone,andmy wife and my son were at home.my wife clean the house and my son listen to the English tape at that time.24.Mr.Fang:I play computer games in the computer room,and Mr.zhang__________ (search)for information about the natural disaster.
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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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