根据英文解释选择相应的动物。

             A                              B                                  C

                     D                         E

1. It is named Hooy. He is ten years old.  He is from Africa. He likes playing with water and eating grass.

2. This is Kall.  Isn't he clever? He is from Australia. He sleeps during the day, but he usually eats leaves at

     night.

3. This is Lingling. She's five years old. She is black and white. She's from China. She's very cute, but she's

     very shy.

4. They live and hunt in groups and like eating meat very much.

5. He is tall with a very long neck, long legs, and dark marks (斑点).

65岁男性，高血压10年，呼吸困难一周，不能平卧2天来诊。查体：神清，端坐位，血压155／100mmHg，两肺可闻及干、湿啰音，心界向左下扩大，心尖部3级收缩期杂音，下肢凹陷性水肿，心电图示心房纤颤，心室率142次／分。

夜间阵发性呼吸困难的发生机制是（）

A.夜间迷走神经张力过高

B.夜间交感神经张力过高

C.肺活量减少

D.小气管收缩

E.平卧位血液重新分配

F.夜间心率减慢

G.肺活量增大

H.小气道舒张

I.回心血量减少