【多选题】当洞口连梁截面宽度为以下哪些数值时,可采用集中对角斜筋配筋( )。
【多选题】对毛泽东《登庐山》一诗中首句“一山飞峙大江边”分析正确的是()
D.
“飞”字用得俊逸壮阔、从容横飘,凌空突拔宛若山势挺立
【简答题】What was the reason why Mr. Bumbridge made such a foolish mistake at the airport?( )
【简答题】血液是由________和_________组成的。
【简答题】如图是人的呼吸和血液循环关系图,据图回答问题. (1)血液由[______]______经过[______]______后,由______血变成______血,再由[______]______流回到[______]______,完成肺循环. (2)[①]与外界环境之间的气体交换依靠______来实现,[①]与[②]之间的气体交换依靠______实现. (3)血液由[______]______经过[...
【简答题】当洞口连梁截面宽度为以下哪些数值时,可采用集中对角斜筋配筋( )。A. 200; B. 300; C. 400; D. 450; E. 500;
【单选题】Why couldn't Mr. Gore win the presidential election after he outpolled Mr. Bush in the popular vote?
A.
Because the American president is decided by the supreme court's decision.
B.
Because people can't directly elect their president.
C.
Because the American president is elected by a slate of presidential electors.
D.
Because the people of each state support Mr. Bush.
【简答题】根据人体血液循环示意图,回答下列问题: (1)血液由[⑤]____压人肺动脉,流经肺部毛细血管网,由②流回③,这条血液循环途径称为_____循环。 (2)血液流经[①]_______的毛细血管时进行气体交换,①内的________进入毛细血管,血液由静脉血变成动脉血。 (3)血液由B流经A,在组织细胞处发生了物质和气体交换,血液变成了含氧较少、颜色暗红的______血。