【单选题】Which one is not the content of Three Principles of the People by Sun Yat-sen?
【判断题】液压动力转向系统,按液体流动形式,分为常流式、常压式、恒压式三种。
【简答题】Directions: Each of the following statements contains information given in one of the paragraphs. Identify the paragraph from which the following information is derived. Each paragraph is marked with ...
【多选题】下列关于外墙脚手架说法正确的有()。
A.
砖混结构外墙高度在20米以内时,按单排脚手架计算
B.
外墙门窗洞口面积超过整个建筑物外墙面积40%以上者按双排脚手架计算
C.
毛石外墙、空心砖外墙、填充外墙按单排脚手架计算
D.
外墙裙以上的外墙面抹灰面积占整个建筑物外墙面积 (含门窗洞口面积在内)25%以上者按双排脚手架计算
E.
砖混结构外墙高度在15米以上及其他结构的建筑物按双排脚手架或型钢悬挑脚手架或附着式升降脚手架计算
【简答题】A.It has high temperature. B.It's a cloudy day. C.It's clear but windy. D.It's a rainy day.
【判断题】敦煌文书大致可分为宗教文书和世俗文书两大类,其中世俗文书数量较多。( )
【判断题】商品养护是商品在储运过程中所进行的保养和维护。