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问题 单项选择题

医院获得性感染的概念哪一项是错误的（）

A.统称医院内感染

B.交叉感染属于其中的一个类型

C.内源性感染属于其中的一个类型

D.医源性感染属于其中的一个类型

E.以上均不是

答案

参考答案：E

填空题

将一个n阶三对角矩阵A的三条对角线上的元素按行压缩存放于一个一维数组B中， A[0][0]存放于B[0]中。对于任意给定数组元素A[i][j]，它应是数组A中第______行的元素。
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阅读理解
阅读下面材料，根据材料内容判断句子正误(正确用“T”表示，错误用“F”表示)。
    Here are some short messages. Emma got all of them on her mobile
phone yesterday. 
    ● Hey, Emma, I'm going to have a party this weekend. Would you
come and join us? (From Susan 13823636790) 
    ● Emma, Mr. Lee said your computer is OK now. You can go and get it from 10:00 a. m. to 6: 00 p. m. (From James 13654243666) 		                             
     ● Emma, call me, please. (From Vicky 13096752112) 
     ● Emma, buy some fruits on your way home. Thanks. (From Jessie 13096758113)
( )1. These messages are on Emma's mobile phone.
( )2. Emma can get her computer at 8 :00 p.m.
( )3. Vicky asked Emma to call back.
( )4. If Emma wants to go to the party, she can call at 13823636790.
( )5. Jessie asked Emma to buy some fruits on her way to school.
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