once the food is in your hand ,it is _______ to you to make sure that it remain safe to eat .your
题目
once the food is in your hand ,it is _______ to you to make sure that it remain safe to eat .your
once the food is in your hand ,it is ____1___ to you to make sure that it remain safe to eat .your reponsibility begins when you buy the food ,and ___2___ wehn all the leftovers are gone if you follow these steps .you will reduce the risk of eating unsafe food firstly,you should buy food that is fresh and has not __3_ its best-before days.
1 A on B by C in D in
2A ended B ends C end D ending
3A pass B passes C passing D passed
答案
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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