见面课
1. 设![图片4.1.png](https://image.zhihuishu.com/zhs/teacherExam_h5/COMMONUEDITOR/202104/639eae1c2b524a268e9f0957862b6df2.png),则![图片4.2.png](https://image.zhihuishu.com/zhs/teacherExam_h5/COMMONUEDITOR/202104/7a1047f8693a480cbac56b28f0ba08c3.png)-1.

1. 在相同的变化趋势下,无穷小的倒数是无穷大.

1. 极限![图片3.1.png](https://image.zhihuishu.com/zhs/teacherExam_h5/COMMONUEDITOR/202104/9b525641380d456fb4cfabbda82e50fe.png)等于().![图片3.3.png](https://image.zhihuishu.com/zhs/teacherExam_h5/COMMONUEDITOR/202104/8c6ab20cd4554c7f9ddf090a39fd55c1.png)

1. 极限![图片2.1.png](https://image.zhihuishu.com/zhs/teacherExam_h5/COMMONUEDITOR/202104/e70cdb1696384f6e87f557f2e598c4e6.png)等于().1

1. 函数![图片1.1.png](https://image.zhihuishu.com/zhs/teacherExam_h5/COMMONUEDITOR/202104/8f6b459bc9b047a5911eefc02c9e0896.png) 在 ![图片1.2.png](https://image.zhihuishu.com/zhs/teacherExam_h5/COMMONUEDITOR/202104/367ec70a87734a639e17ebc35013a137.png)点().有极限
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