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问题 单项选择题

良性高血压会引起

A．风湿肉芽肿
B．心肌梗死
C．原发性颗粒性固缩肾
D．败血性梗死
E．二尖瓣白色血栓

答案

参考答案：C

单项选择题

E


Dick was born in a poor family. His father had a small boat and went fishing in the morning and sold the fish in the market in the afternoon. Then he bought some food for his family. When winter came, they were often hungry. One morning the hungry man fell into the river and wasn’t found. Dick’s mother left her three-year-old son without saying good-bye. His aunt had to look after him.
Twenty years passed. Dick became a tall, p man. He found work on a farm. lie worked hard and wanted to get more money. He often went to see his aunt with some nice presents. The woman was very happy but one day she died in a traffic accident. The young man was very sad. After he buried her, he decided to buy a beautiful tombstone(墓碑) for her. He went to town and came in a shop, but all the tombstones were too expensive. He asked, "Do you sell an old tombstone, sir "Yes, we do, sir," answered the shopkeeper. "Is it as expensive as the new one"
"No, it’s much cheaper," said the man. "But another name was engraved (刻) on it. " "It doesn’t matter, " said Dick. "My aunt couldn’t read. \

Dick wanted to get more money to ______.

A．marry a wife

B．give his aunt nice presents

C．buy a farm

D．build a house
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单项选择题

无菌区的定义是（）

A.经过灭菌处理的区域

B.经过灭菌未被污染的区域

C.未经灭菌处理的区域

D.灭菌处理后被污染的区域

E.不使已灭菌的物品再污染并保持灭菌
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