问题
单项选择题
关于急性胰腺炎病理改变的描述中,下列哪项是错误的()。
A.水肿性者病变多局限在胰尾
B.水肿性者可见局限性脂肪坏死
C.出血性者为大片凝固性坏死
D.出血性者有散在的钙化灶
E.出血性者病变多局限在胰尾
答案
参考答案:E
关于急性胰腺炎病理改变的描述中,下列哪项是错误的()。
A.水肿性者病变多局限在胰尾
B.水肿性者可见局限性脂肪坏死
C.出血性者为大片凝固性坏死
D.出血性者有散在的钙化灶
E.出血性者病变多局限在胰尾
参考答案:E
It was on a warm day last summer. I was walking by the sea. The waves came and went. But I didn’t see them. I was lost in my thoughts. A row of small holes soon caught my eyes. They lay in the sandy earth by the side of a road. In a minute I would have stepped on them. What are these holes? I wondered. It had an answer soon. A fat, hairy insect crawled up from the earth. It had a wide tail. It was using the tail to dig in the ground. The insect moved round and round in one spot(地点). Soon it had made another hole. When it was finished, the insect hid at the bottom. It covered its head with sand. By now my thoughts of the early morning had gone. This new hole and the insect were all my world. So I sat quite still by the side of the road. And I waited. As I watched, a small ant crossed the road. It passed my foot, a ![]() And then I knew. I knew why the holes were there. For just then the fat insect came up out of the hole. It ate the ant who was trapped there. Later I learned the insect’s name. It’s called ant lion. It digs holes to catch ants. I’ll never forget that day. The holes looked so small to me. But to the ant and the ant lion they were the whole world. I took my walks by the sea that summer. But I never aga ![]() 小题1: What did the ant lion use to dig holes?
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