24.You really need to go out and get some fresh air and sunshine.You ______
题目
24.You really need to go out and get some fresh air and sunshine.You ______
24.You really need to go out and get some fresh air and sunshine.You ______ overworked
during the last two weeks.
A.have been x05B.were x05C.had been x05D.would be
选哪一个为什么
答案
You really need to go out and get some fresh air and sunshine.You ______ overworkedduring the last two weeks.A.have been x09B.were x09C.had been x09D.would be选A用现在完成时,是过去发生的事(l...
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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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