某夜总会地上共3层，每层建筑面积为18mx60m=1080m2，砖混结构。1层为大堂

角的大小与角的两边叉开的大小有关，与角的两边的长短无关．______．

单句改错 

下列句子中各有一处错误,请指出并改正(每处限改一词).

1. Hundreds of people crowded in the church for the wedding.                         

2. There remain a certain doubt among the people as to the practical value of the project.                      

3. There is a real danger which the US will not keep its position on the world economic stage if

the bad situation continues to go on.                          

4. Rather than to waste his time in chatting or playing games on the Internet, Bob borrowed lots

of books to read in the summer holidays.                         

5. What she won the champion of the Winter Olympic Games made us excited.                           

6. If you want to study the nature of the universe, first of all, you must get hang of the origin of it.               

7. It is required that every salesgirl should treat customers with a warm and friendly

manner.                 

8. The children mustn't be tired----- they just have covered

two miles.                         

9. Tom, you must make an apology to your mother. I won't have you speak to her like

that.                    

10. The children watched amazing as the fireworks set off and formed all kinds of beautiful

designs in the sky.                              

毛 * * 在《论联合政府》中指出：“现在的中国是多了一个外国的帝国主义和一个本国的封建主义，而不是多了一个本国的资本主义，相反地，我们的资本主义是太少了。说也奇怪，有些中国资产阶级代言人不敢正面地提出发展资本主义的主张，而要转弯抹角地来说这个问题。另外有些人，则甚至一口否认中国应该让资本主义有一个必要的发展，而说什么一下就可以达到社会主义社会，什么要将三民主主义和社会主义‘毕其功于一役’。”
请根据毛 * * 这段科学论述，并结合中国新民主主义革命实际，来分析说明上述内容。

在水平标尺上（），标尺相应位置设置特殊制表符。

A.单击鼠标左键

B.单击鼠标右键

C.双击鼠标左键

D.拖动鼠标

建筑物基础放线的基本步骤是什么？