工程索赔的程序中，发包人在收到索赔报告后( )天内，应作出回应，表示批准或不批准并

GB／T19000对产品是如何定义的？四种通用的产品类别是什么？举例说明。

The meeting has already started. Why ________?[ ]

A. you not stop to talk  

B. not stop talking

C. don't you stopping talking

D. not to stop talking

Never in my life I forget the days ____we used to play together when we were children.

A．where

B．that

C．which

D．when

Progress so far has been very good. _____, we are sure that the project will be completed on time. [ ]

A. However

B. Otherwise

C. Therefore

D. Besides

以下正确描述颐和园造园思想的有（）。

A.认为“普天之下，莫非王土”

B.藏有古代帝皇希冀长生不老的意愿

C.不带有政治性的表达

D.表现了仁政思想