题目

用所给单词的适当形式填空，每线词数不限 Jane and Jennifer both like (read). They (go) to the school library twice a week. Look, they (be) in the library now. Jane (read) fairy tales. But Jennifer (not like) fairy tales. She (like) a science fiction. 答案：【1】reading【2】go【3】are【4】is reading【5】doesn't like【6】likes1．设双曲线$\frac{x^2}{a^2}-\frac{y^2}{b^2}=1（a＞0，b＞0）$的一个焦点为F，虚轴的一个端点为B，线段BF与双曲线的一条渐近线交于点A，若$\overrightarrow{FA}=2\overrightarrow{AB}$，则双曲线的离心率为（　　）A．6B．4C．3D．2