1.Today,the forests have almost gone.People must___ down too many trees.
题目
1.Today,the forests have almost gone.People must___ down too many trees.
A.stop from cutting B.stop to cut
C.be stopped to cut D.be stopped from cutting
2.Do you still remember the day___ you joined the league?
A.that B.on that C.in which D.when
答案
A
stop from doing sth
停止做某事
D
when相当于on which,“在那一天”
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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