( ) 6.The earth is our home.We should play a part in ____________ the earth.
题目
( ) 6.The earth is our home.We should play a part in ____________ the earth.
A.save B.to save C.saving D.saved
( ) 7.Look!There are some people ____________ oranges on the farm.
A.pick B.to pick C.picking D.picks
( ) 8.People should keep the ______ between countries.
A.relationship B.peace C.discuss D.role
( ) 9.The TV program was very ______and we all got______.
A.bored; bored B.boring; boring C.bored; boring D.boring; bored
( ) 10.—He got an A in last week's math test.
—It is ______!His math is always the worst.
A.possible \x09\x09B.simple C.impossible \x09 D.easy
答案
6--10 C C A D C
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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