急性心肌梗死发生在以下哪个部位时最易合并窦性心动过缓（） A.

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问题单项选择题 A1/A2型题

急性心肌梗死发生在以下哪个部位时最易合并窦性心动过缓（）

A.前间壁心肌梗死

B.局限前壁肌梗死

C.下壁肌梗死

D.左心房肌梗死

E.广泛前壁肌梗死

答案

参考答案：C

解析：下壁由右冠状动脉供血，而窦房结动脉为右冠状动脉分支，故下壁心肌梗死常合并窦性心动过缓。

阅读理解

阅读短文，判断句子正(T)误 (F)。

I am a doctor. I work at night. I go to work at 6:30 in the evening. I eat dinner at 10:00. I usually go home

at 8:00 in the morning. After breakfast, I go to bed at 9:00. I usually get up at 2:30 in the afternoon. I eat my

lunch at 3:00. Then I play sports at 4:00 in the afternoon This is my day. I enjoy my life.

( ) 1. I am a doctor.

( ) 2. I go to work at 6:30 in the morning.

( ) 3. After dinner, I go to bed at 9:00.

( ) 4. I usually get up at 2:30 pm.

( ) 5. I play sports at 4:00 pm.

综合

（10分）图13是印度洋（局部）季风和洋流示意图，读图回答下列问题。

（1）图13乙图中①、②、③处可能形成渔场的是，成因是。（2分）

（2）请说明乙图为何海域、何季节及其大洋环流分布规律。（3分）

（3）分析影响洋流②流向的因素。（3分）

（4）推测该洋流系统使马六甲海峡表层海水流向具有什么样的季节变化?（2分）