急性心包炎的常见症状和体征是()
A.深吸气或仰卧位时胸痛加剧
B.心包摩擦音
C.脉压变小
D.Ewart征
E.发热乏力
参考答案:A, B, C, D, E
单句改错
1. I don't like football and basketball.
2. He does his homework very careful.
3. Running is much easy than cycling.
4. The weather is very well. Let's go out to play.
5. Table tennis is popularer than skiing in China.
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