问题补充:
In December , Obama was .
A. elected the President of the USA
B. selected the President of the USA
C. elected President of the USA
D. selected President of the USA
答案:
A. elected the President of the USA
B. selected the President of the USA
(答案→)C. elected President of the USA
D. selected President of the USA
解析:考查词义辨析以及冠词。elect “选举”, select “精挑细选”;表示头衔、官职的名词前不用冠词。故选C句意:12月奥巴马被选为美国总统。