问题
单项选择题 B型题
择期阑尾切除术适用于()
A.急性单纯性阑尾炎
B.急性坏疽性阑尾炎
C.慢性阑尾炎
D.阑尾周围脓肿症状逐渐减轻
E.阑尾周围脓肿症状逐渐加重
答案
参考答案:C
择期阑尾切除术适用于()
A.急性单纯性阑尾炎
B.急性坏疽性阑尾炎
C.慢性阑尾炎
D.阑尾周围脓肿症状逐渐减轻
E.阑尾周围脓肿症状逐渐加重
参考答案:C
Paper was first about 2,000 years ago, it has been made silk, cotton, bamboo, and wood. People learned to write words on paper to make a book. And because there weren’t many books, people learned to read. Then printing was invented in China. The first printed books were made by ink on a wooden block and holding the paper against it. When printing was developed greatly the beginning of the 11th century, books could be produced more quickly and . ___ , more people learned to read. After that, knowledge and ideas spread quickly, a way that can be compared the of the Internet in the 20th century.
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