投资估算的内容组成包括( )。
A.封面
B.签署页
C.目录
D.投资估算分析
E.单项工程估算表
参考答案:A,B,D,E
—We will finish the task very quickly if your team can help us.
—That’s right. .
A.Early bird catches the worm.
B.Two heads are better than one.
C.Many hands make light work.
D.Great minds think alike.
Reading books is very important for developing the students’ understanding of the world, ____?
A.is it
B.are they
C.isn’t it
D.aren’t they