问题
单项选择题
一列哪一项不是急性胰腺炎的CT表现（）
A、胰腺局部或弥漫肿大
B、胰周蜂窝织炎和假囊肿
C、胰腺及胰管的条状钙化
D、吉氏筋膜增厚
E、假囊肿内气泡，脓肿形成
答案
参考答案：C
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一列哪一项不是急性胰腺炎的CT表现（）
A、胰腺局部或弥漫肿大
B、胰周蜂窝织炎和假囊肿
C、胰腺及胰管的条状钙化
D、吉氏筋膜增厚
E、假囊肿内气泡，脓肿形成
参考答案：C
根据短文内容，从短文后的选项中选出适当的选项补全短文。 The earth is about 4,600 million years old. We humans have lived on the earth for only 35,000 years, but during this period we have changed our planet a lot in many ways. 1 All over the world, people have cut down millions of trees, so more and more kinds of animals and plants are disappearing. In big cities, cars and buses have polluted the air. Factories have also polluted the land and the water. 2 It is important to the earth. But now air pollution is destroying it and that has made a very big hole in the ozone layer (臭氧层). 3 This is very dangerous because it can cause cancer. Carbon dioxide (CO2) in the air has increased a lot. 4 it has formed a "blanket" (毛毯) around the each. 5 This makes our earth become warmer and warmer. Therefore, this causes the level of the ocean to rise. All these problems are very serious. We must do something to stop our earth from being polluted anymore.
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