my films are under the desk.who can pick_for me. a.it up b. up it c. them up d.up them
题目
my films are under the desk.who can pick_for me. a.it up b. up it c. them up d.up them
答案
选C
首先,films 是复数,要用them 排除A B
然后,pick up ,代词要放中间 pick them up
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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