“粉丝”是现代年轻人中的时尚语言，它来源于英语的fans，追随者、崇拜者的意思，这说明当代中国语言变化的原因是   （   ）

《论语》是儒家经典著作之一，其中一些经典名句至今仍家喻户晓，例如 “四海之内皆兄弟也”、“己所不欲，勿施于人”等。这表明（    ）

①优秀的传统文化具有强大的生命力

②传统文化是民族生存的基础

③传统文化在发展的基础上得以保留

④传统文化具有相对的稳定性

根据短文内容，完成下面各题，每空词数不限 
My English teacher is Mary. She is from England. Her father is Nick and her mother is Rose. They are very old. So they don’t work now. Mary has two children, a son and a daughter. Her daughter is Betty. Her son is John. Mary and her daughter are in China, but her husband Paul Smith is in England. Her son is in America. Paul is a police officer. John is a college student. Betty and I are in the same school. We are classmates. We are in Class Three, Grade Seven.
Betty is Mary’s____ .
Betty’s father is a ____  (职业).
____ teaches the writer(作者) English.
Mary comes from ____  .
Nick and Rose are Mary’s ____  .

抛物线$y^2=4x$的准线与双曲线 $\frac{x^2}{a^2}-y^2=1\left(a>0\right)$交于$A,B$两点，点$F$为抛物线的焦点，若$△FAB$为直角三角形，则双曲线的离心率为（   ）