1.My father was still studying ( )into the night while i was ( )asleep.
题目
1.My father was still studying ( )into the night while i was ( )asleep.
A.late;sound B.lately;wide C.deeply;far D.far;late
2.Between 1974 and 1997,the number of overseas visitors expanded/rose ( )27%.
A.by B.for C.to D.in
3.Mr.Smith owns ( )collection of coins than anyone else i have ever met.
A.a larger B.the larger
4.So far ,several ships have been reported missing ( )the coast of Bermuda Island.
A.off B.along C.on D.around
5.You know,Bob is a little slow ( )underatanding,so.-------So I have to be patient ( ) him.A.in;with B.on;with C.in;to D.at;for
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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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