问题
选择题
.. Department of Homeland Security and CIA produced ______ joint report on Monday warning that ______ next 911 could in fact occur on ______ different date.
A．the; a; the
B．a; the; a
C．/; the; the
D．a; /; the
答案
答案：B
考查冠词的用法。“国土资源局和中央情报局在周一发布了一个联合报告，警告说下次911事实上会在一个不同的日期发生。”泛指一份报告用a，排除A、C；特指下次911事件用the，排除D。故选B。