since there is not much time left,i will tell you about it in...
题目
since there is not much time left,i will tell you about it in...
a,detail
b,brief
c,mcommon
d,total
2 you always take ...great trouble to help me when i am in ..trouble
a,a;/
b,/;/
可trouble不是可数吗?
3,a series of speeches...given by the teacher
a,has been
b,have been
一系列东西终究不还是复数吗?
答案
1. in brief 是简略的,简要的
2. take trouble 固定搭配 “给...带来麻烦或 麻烦...”
3. 表示整体,老师所做的“一系列的演讲”此处表整体,可以指是同一个演讲,但给不同的群体
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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