看图填出哺乳动物心脏的结构及与其相连的血管

①、____ ②、____ 

③、____ ④、____ 

⑤、____ ⑥、____ 

⑦、____ ⑧、____ 

⑨、____ ⑩、____ ．

    Everyone wants to relax after working or studying for a long time.____. Let me tell you some of my favorites.

    ____,so the usual way I relax is to watch or play many kinds of sports. My favorite is tennis, but I am interested in all kinds of sports. Whether I am playing tennis or watching a game on TV, it is exciting to see team members doing their best.____ It's true that playing sports is not physically(身体上的) "relaxing", but I find it really cool, and a good way of "relaxing" my brain after a day's hard work.

    I enjoy listening to music, and I always have some music playing during my free time. I listen to all types, but I enjoy listening to beautiful piano music. Some people can't study while listening to music, but for me,____.

    Some people choose to relax by traveling. I don't have a favorite place, but I hear that traveling in Japan is really enjoyable. When I travel to other places____.

阅读短文，把A-E五个句子填入文中空缺处，使短文内容完整。

A. It's amazing to see players playing very well

B. I have many ways of relaxing myself

C. I enjoy sightseeing and seeing how the culture and people change from place to place

D. I am a big sports fan

E. I believe I can study better by listening to light songs.

已知双曲线C： $\frac{x^2}{a^2}-\frac{y^2}{b^2}$ =1（a＞0，b＞0）的左、右顶点为A₁，A₂，抛物线E以坐标原点为顶点，以A₂为焦点．若双曲线C的一条渐近线与抛物线E及其准线分别交于点M，N，且 $\overrightarrow{A_{1}N}=\overrightarrow{M{A}_2}$ ，∠MA₁N=135°，则双曲线C的离心率为（   ）