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问题 单项选择题 A1型题

某乡镇入夏以来连续发现腹泻病人，经大便培养为福氏志贺菌。防疫站为确保居民健康，采取预防措施，其重点应为（）

A.消灭传染源

B.带菌者管理

C.切断传播途径，做好"三管一灭"

D.口服依链株活菌苗

E.口服磺胺或抗生素预防

答案

参考答案：C

完形填空

根据所给首字母提示，完成短文。

Once upon a time there lived in Germany two brothers named Jacob Grim and William Grim. They liked to listen to old stories and then wrote them down. Then they had enough stories to make a book. You can guess the n  小题1:  of their book! It is Grimms’ Fairy Tales (《格林童话》)

The story of this little book began when the brothers were still at school. And it started w  小题2: a good teacher. This teacher liked to find out how things happened. S  小题3:  the two brothers were doing the same thing. They asked questions and then looked for a 小题4:  to them.

Among the q  小题5:   the brothers asked were. “Who made up the old fairy tales?” “Who first told about Cinderella (灰姑娘)?” “Who made up the story of Snow White and the story of Sleeping Beauty?”

They found that no one knew the answers to such questions. The tales were made up in very early times. Most of them were made up in days before people knew h 小题6:  to write. People told the stories to one another and to their children. But only few still r  小题7:  them. “When these old people die, the stories will d  小题8:  with them.” said the brothers. We must write d  小题9:  all the stories we can find.”

Jacob and William hunted for stories for five years. At last they had 89 tales. Just before Christmas in 1812 and first book was published.

People loved the book! They asked for more fairy stories. So the two brothers published two m 小题10:  books. In all, they collected 210 stories to put into their books.
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单项选择题

肝细胞肝癌增强CT的典型表现（）

A.动脉期高密度，延时扫描等密度

B.动脉期等密度，延时扫描低密度

C.动脉期低密度，延时扫描高密度

D.动脉期高密度，延时扫描低密度

E.动脉期等密度，延时扫描高密度
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