一道选词填空,不多,
题目
一道选词填空,不多,
[off][finish][dark][without][touch][close][into][safer][over][catch]
·Never stick anything ____ an electeical socket.
·Turn off lights,stereos,TVs and other electrical equipment when you ____ using them.
·Don't stand too ____ to the fireplace or a wood stove.YOUcould get burned or your clothes could ____ fire.
答案
into
finish
close
catch
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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