问题
单项选择题
洋地黄制剂最适用于下列哪种心力衰竭患者（）
A.风心病，单纯二尖瓣狭窄、窦性节律者
B.缩窄性心包炎，伴体循环淤血者
C.甲亢，窦性心动过速者
D.各种心脏病致心脏扩大、心肌收缩功能低下者
E.各种心脏病，心功能正常者
答案
参考答案：D
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洋地黄制剂最适用于下列哪种心力衰竭患者（）
A.风心病，单纯二尖瓣狭窄、窦性节律者
B.缩窄性心包炎，伴体循环淤血者
C.甲亢，窦性心动过速者
D.各种心脏病致心脏扩大、心肌收缩功能低下者
E.各种心脏病，心功能正常者
参考答案：D
When I was 16 years old, a boy gave me an important gift. It was a 26 . It was the early autumn of my first year at a junior high school, and my old school was far away. 2 7 a result, no one knew I was. I was very 28 , and afraid to make friends with anyone. Every time I 29 the other students talking and laughing. I felt my heart 30 . I couldn’t talk to anyone about my problems. An who d I didn’t want my parents to 31 me. Then one day, my classmates talked 32 with their friends, but I sat at my desk unhappily as usual. 33 , a boy entered the classroom. I didn’t know 34 he was. He passed me and then 35 . He looked at me, without a word, but a smile. 36 , I felt the touch of something bright and friendly. It made me feel happy and 37 . That smile changed my life. I started to talk with other students and made friends. Day by day, I became 38 to everyone in my class. The boy with the lucky smile has become my best friend now. One day I asked him why he smiled, but he couldn’t remember 39 at me! It doesn’t matter 40 all the dark days have gone. I believe that the world is what you think it is. If you think you are lonely, you might always be alone. So smile at the world and it will smile back.
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