英语单选和用恰当形式填空.【要求:说明理由】
题目
英语单选和用恰当形式填空.【要求:说明理由】
1.Are you worried about___others?
A.fall behind B,falling behind C.to fall behind
2.I don't know how to get other students ___ with me.
A.talk B.talking C.to talk
3.We had___[wonderful] holiday in Spain.
4.The waiting room___[crowd] with many passengers and bags.
5.We've got tickets___ $90___the hard sleeper.
A.for;for B.at;for
6.What did you get___ your birthday?
A.to B.at C.for D.with
7.-How can you prove the earth is round ?
-I can't.___,I never said it was.
A.However B.Besides C.Instead
8.Do you want to be health?___.Smiling can help you stay healthy.
A.Smiling B.Smile C.Smiled D.To smile.
9.The teacher as well as his students___ invited to the party.
A.was B.were
10.-How much is the book?
11.-Are you ready?The concert is starting!
-Yes,I ___.
A.am coming B.will come C.have come
12.Our teacher told us that these exercis es were___.
A.far more easy B.much easier
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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