设集合 $A=\left\{1,2\right\},B=\left\{1,2,3\right\},C=\left\{2,3,4\right\}$ ,则$\left(A\cap B\right)\cup C$=（   ）

________students are watching the exciting final basketball matches now.    

.Returning from Italy, he told us a lot of _______ about the Leaning Tower of Pisa, especially some tales about it and the present government’s efforts to save it from collapse.

对我国存在的各种所有制经济，认识正确的是

“英王的权力不再是固有的和绝对的，而是来源于议会的承认和同意。”这一现象确立的标志是（    ）