题目内容

8031单片机时钟频率为12MHz，TO方式1，50mS定时的初始化程序如下：
MOVTMOD，10H
MOV TH0，3CH
MOV TL0，0B0H
SETB TR0
MOV IE，82H
IE寄存器各位内容：
错误
改正
参考答案：错误

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Hans: What do you usually read？John: ______

Ninety-five percent of adult Americans sleep seven to eight hours a night. The rest seem to need more than nine hours, or get along nicely on less【1】six. What distinguishes the long and short sleepers【2】the majority？ To get some answers psychologist Ernest Hermann in Boston and New York papers for long and【3】sleepers to engage in an eight-night "sleep in" at Boston State Hospital's Sleep and Dream laboratory. His findings indicate that such people differ【4】ordinary sleepers and each other not【5】much physically as psychologically. Testing showed significant psycho logical【6】between long and short sleepers. The shorts【7】to be emotionally stable. Their entire life-style【8】keeping busy and avoiding psychologist problem【9】than facing them. They were also awakened seldom during the night and rose in the【10】refreshed and ready to go.
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请在“答题”菜单下选择“汉字录入”命令，启动汉字录入测试程序，按照题目上的内容输入汉字：
联想的xlink技术，是基于闪联家庭影音场景开发的核心技术。xlink技术支持业界先进的720P/10801高清媒体播放，通过联想独有的解码算法支持几乎所有的常见媒体格式。xlink技术可以将电视节目数字编码后无线传输到电脑中观看，而不需要在电脑上安装电视卡，还可以支持播放数码像机或移动硬盘中的媒体资源。

对于如下一个有序的关键字序列{5,9,12,18,23,31,37,46,59,66,71,78,85)，现在要求用二分法进行查找值为18的关键字，则经过几次比较之后能查找成功？