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问题 填空题

如左图所示用刻度尺测量一物体的长度，该刻度尺的分度值是________，物体的长度是________cm；如右图所示，物体的重力为________。

 

答案

1mm    1.40cm（其他合理答案均可）    2.8N

题目分析：由左图可知，刻度尺的最小分度值是1mm，被测物体的起始刻度值为0刻度，末端对应的刻度值为：1.40cm，所以物体的长度为：1.40cm；读右图可知，弹簧测力计的刻度将1N分成了5个小格，所以相邻两个小格之间的长度表示的就是它的分度值，即0.2N，图中测力计的示数即物体的重力为2.8N。

点评：本题的解题关键是记住要估读到分度值的下一位，注意被测物体的起始刻度值是否为刻度尺的零刻度，若不是从零刻度开始，则应用末端对应的刻度值减去起始刻度值．

填空题

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Habitrol is a drug indicated as an aid to smoking cessation for the relief of nicotine withdrawal symptoms. Its effectiveness has been established only as part of a comprehensive behavioral smoking cessation program. It won’t work for everyone. In studies during the first 3 months after quitting, Habitrol has been shown to increase the chances of stopping smoking. Long-term studies of Habitrol haven’t been conducted. It shouldn’t be used for more than 3 months.
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(335 words)

What is the function of Habitrol in quitting smoking

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城市/区域监控报警联网系统存储方式以区位分布形式分目前常见的有（）。

A、集中存储

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