第四部分:短文改错:10%

Besides Egyptians, people of Mexico also builded     　　　41._____________

pyramids. They didn’t build the pyramids for tombs. They   　　 42._____________

were used to build a pyramid and then build a temple on    　　  43.____________

top of them. The pyramids of Mexico are not as high as    　　  44.______________

that of Egypt, but they are big. Each pyramid has a wide    　　　45.____________

stairway that go from the bottom to the top.              　　　46._____________

The biggest pyramid in Mexico is almost 2000 year  　　　　　　47.___________

old. Scientists think it spent 10,000 men more than ten years 　　　48.____________

to build. On top of it they build a temple to worship sun.    　　　49.____________

The temple is no longer there and people call it the pyramid 　　　 50.____________

of the sun.

女性，45岁。因胎盘早期剥离出血住院，孕38周，行剖宫产术，输血600ml，母子健康。产后第7天出现原因不明的发热、贫血、巩膜轻度黄染。检验结果：胆红素升高、结合珠蛋白降低。最可能的诊断是（）。

A.延迟性溶血反应

B.非溶血性发热反应

C.过敏反应

D.荨麻疹反应

E.细菌污染输血反应