The________ were observed by astronomers throughout the world.A.phenomenons B,ohenomena C.phenomeno
题目
The________ were observed by astronomers throughout the world.
A.phenomenons B,ohenomena C.phenomenon D.phenomenas
How do you like the film?
A.average B.usual C.normal D.common
3..There are a great____flowers shown in the park and_____people go to have a look.
A.plenty of;many B.diversity of;many C.diverse;many a D.diversity;a few
4.You have made______mistakes in the writing______we can't quite catch what you meant.
A.such many;so B.many of;that C,so many;that D,too many;that
5.The football match was said_______in Rome,but it was held in London at last.
A,to have been held B.to be holding C,to hold D.to have held
6._________any biscuits that morning,we had nothing to eat.
A.Not baking B,Not having baked C.Not &nbs
答案
B D B D D B B
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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