明朝加强封建专制统治的措施中,最具特色的是  (    )

陋室铭

刘禹锡

    山不在高，有仙则名。水不在深，有龙则灵。斯是陋室，惟吾德馨。苔痕上阶绿，草色入帘青。谈笑有鸿儒，往来无白丁。可以调素琴，阅金经。无丝竹之乱耳，无案牍之劳形。南阳诸葛庐，西蜀子云亭。孔子云：何陋之有？

下面对选文内容和写法分析理解不正确的一项是（    ）

    Last year, some groups of students in their community (社区) made a survey about “How do people spend their free time? ” The following diagrams(图表) show some results of it:
    Diagram (1): Hours for people of different ages who surf the Internet in a week.

    Diagram (2): Different days people go to the library. (library attendance)

    Diagram (3): Different programs people like.

小明将少量的白糖放在铁锅里加热，先看到白粮融化，接着看到融化的物质呈现棕色，最后有黑色残渣，请你判断整个实验属于（   ）