患者男，37岁。查体时可触及奇脉，该患者可能是（）
A.心包积液
B.严重休克
C.心力衰竭
D.心肌梗死
E.甲状腺功能亢进
参考答案：A
Directions:
Write an essay of 160-200 words based on the following drawing. In your essay, you should
1) describe the drawing briefly,
2) explain it’s intended meaning, and
3) give your comments.
Your should write neatly on ANSWER SHEET 2.
肛管的长度约为（）
A.3cm
B.6cm
C.9cm
D.12cm
E.15cm
