在建设工程活动中直接形成的具有归档保存价值的文字、图表、声像等各种形式的历史记录称为( )。

A．建设工程监理文件档案

B．建设工程档案

C．建设工程文件

D．施工文件

Now the income gap is getting wider and wider. In some privately owned firms, (S1) __________, or foreign-funded companies, an (S2) __________ yearly income is ten times or even a hundred times as much as an ordinary worker’s. Faced with this situation, people will (S3) __________ have different opinions. Some believe that it benefits the (S4) __________ and economic development since driving force is often (S5) __________ from the gap. In other words, the gap (S6) __________ people and gives a push to advancement. Others speak of its side effect: income gap is often the root of social unrest and also contrary to our country’s (S7) __________. From my point of view, (S8) __________, it causes trouble as well. An income gap that is too wide for most people to bear can (S9) __________.Therefore, while we are advocating the rapid development of our country, (S10) __________.

S3