(山东滨州一模)Obama has been elected first black president of the United States and the in

问题补充：

(山东滨州一模)Obama has been elected first black president of the United States, and the international society expects to have new USA under his leadership.

A 不填；the B a; theC. the ; a D the ; the

答案：

解析：序数词必须与定冠词the连用，表示顺序，所以第一空用the；表示地名或姓名的专有名词前有形容词修饰时，其转化为普通名词，这是要用不定冠词来限定。