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添加语句______________________可将图形中的中文正常显示

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pandas库对某一列进行降序完之后，查看前10行的方法为_______________

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排序方法为sort_values,其中参数ascending为True表明降序，False表明升序

A. 对
B. 错

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Translate the following passage and retell it in your own words. （每空填入一句译文。）The Great WallThe Great Wall was first started more than 2,000 years ago, and what is left today was mostly built during the Ming Dynasty (1368-1644). It consists of walls, passes, watchtowers, dunpu and beacon towers. The walls are made of large striped stones. The Great Wall stretches some 6,700 km from Jiayuguan Pass in the west to the Yalujiang River in the east. The Great Wall is internationally known for its magnificent architecture and long history. It’s not only the treasure of Chinese civilization, but also the masterpiece made by ancient Chinese people. As one of the seven wonders in the world, it was listed in the World Cultural Heritage in 1987.

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当活动盖板正转时,关于前上罩板的叙述错误的是( )

A. 当盖板正转时,前上罩板上口和锡林间隔距以及前上罩板位置的高低等因素也会影响盖板除杂。
B. 前上罩板上口与锡林间隔距增大时,锡林针齿握持和抓取纤维的能力强,从而使盖板花减少。
C. 前上罩板位置较高时,纤维与针齿的接触数会增加,因此盖板花会减少。
D. 前上罩板位置较低时,会使盖板花增加,除杂效果增强,但不利于节约原料。

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