A. have finalized a charter on their new relationship B. still have differences in military and political issues C. will hold a fifth round of talks in Luxembourg D. made no progress in this round of talks 参考答案:B 答案解析:[听力原文] NATO and Russia are reporting some progress in efforts to finalize a charter governing the
x--; while(!x); A. 5 B. 无任何输出 C. 4 D. 陷入死循环 参考答案:A 答案解析:[解析] 本题考查循环语句do-while语句的执行情况。根据do-while循环语句功能特点可得:首先无条件执行循环体,表达式x--的值为5,输出为5,x的值变为4,然后检查条件 (!x)为假(fa