【单选题】How to tranlsate the "generation gap"?
【判断题】空缝的填塞,应在砌缝砂浆强度达到设计强度的85%后进行,填塞时应分层捣实。
【单选题】The city council is planning a huge road-building programme to ease congestion. The underlined part means
【单选题】关于Trade Manager的及时回复率说法正确的是( )
【单选题】左旋梯形螺纹公,称直径30,螺距6,导程12,其螺纹代号是 。
【单选题】What is the author's purpose in writing the passage?
A.
To contemplate the philosophy underlying individualism.
B.
To examine the trend of young people living alone.
C.
To stress the rebuilding of personal relationships.
D.
To review the impact of women becoming high earners.
【多选题】拱圈封顶合龙时的温度和混凝土(砂浆)强度,必须符合设计要求,当设计无要求时,应符合下列规定()
A.
封顶合龙温度宜安排在昼夜平均温度接近年平均温度时进行;
B.
分段浇(砌)筑的拱圈时,填塞空缝时拱圈混凝土(砂浆)应达到设计强度的70%;
C.
全宽浇(砌)筑的拱圈,浇(砌)筑封顶拱圈时拱圈混凝土(砂浆)应达到设计强度的70%;
D.
封顶合龙采用千斤顶调整应力时,已浇(砌)筑拱圈的混凝土(砂浆)应达到设计强度。
【判断题】空缝的填塞应在拱圈砌筑完成且砌缝砂浆强度达到设计强度60%后方可进行。( )