儿康宁糖浆的功能是
A.益气健脾,消食开胃B.消食化滞,泻火通便C.利湿消积,驱虫助食,健脾益气D.健脾和胃,平肝杀虫E.健脾开胃,促进消化,增强食欲
参考答案:A
某混凝土单筋矩形截面简支梁,截面尺寸和配筋如下图所示,采用C30混凝土,HRB335纵筋,安全等级为二级。
若考虑架立筋214为受压钢筋,则该梁承受的弯矩设计值能提高()。
A.1%
B.3%
C.5%
D.7%
Pat will walk from intersection X to intersection Y along a route that is confined to the square grid of four streets and three avenues shown in the map above. How many routes from X to Y can Pat take that have the minimum possible length ?()
A.Six
B.Eight
C.Ten
D.Fourteen
E.Sixteen