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【多选题】
在android中数据存储的几种形式
A.
文件系统
B.
嵌入式数据库SQlite
D.
shareD.preferences D. 网络
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举一反三
【单选题】二极管加反偏电压的特性是( )。
A.
( A)反向电阻小、反向电流小
B.
( B)反向电阻小、反向电流大
C.
( C)反向电阻大、反向电流小
D.
( D)反向电阻大、反向电流大
【简答题】??B We walked in 80 quietly that the nurse at the desk didn&39;t even lift her eves from the book. Mum pointed at a big chair by the door and I knew she wanted to sit down.While l watched mouth open i...
【单选题】听力原文: I had spent my last day in London visiting friends, taking pictures, and doing some last-minute shopping. Among other things, I had bought some presents: a shirt for my brother, a woollen blanke...
A.
A shirt.
B.
An alarm clock.
C.
A woolen blanket.
D.
A suitcase.
【单选题】某产妇,27岁妊娠36周,护士在查房时为护生讲解正常的脐带结构,正确的是( )
A.
脐静脉较粗,壁厚
B.
脐动脉较细,壁薄
C.
一条动脉,一条静脉
D.
一条动脉,两条静脉
E.
两条动脉,一条静脉
【单选题】哪幅画作经鉴定为作者的真迹
A.
《捣练图》
B.
《簪花仕女图》
C.
《虢国夫人游春图》
【判断题】正压电效应可以理解为是发送超声波的过程。
A.
正确
B.
错误
【单选题】二极管的重要特性是( ),具体指:给二极管加( )电压,二极管导通;给二极管加( )电压,二极管截止。
A.
单向导电性,正偏,反偏;
B.
单向导电性,反偏,正偏;
【单选题】二极管加反偏电压的特性是
A.
反向电阻小、反向电流小
B.
反向电阻小、反向电流大
C.
反向电阻大、反向电流小
D.
反向电阻大、反向电流大
【单选题】We walked in so quietly that the nurse at the desk didn't even lift her eyes from the book. Mum pointed, at a big chair by the door and I knew she wanted me to sit down. While I watched, mouth open in...
A.
to clean the floor
B.
to please the nurse
C.
to see a patient
D.
to surprise the story-teller
【多选题】关于坏疽的叙述下列哪些是正确的
A.
可伴有全身中毒症状
B.
感染的腐败菌都是厌氧菌
C.
较大范围的坏死继发腐败菌感染
D.
坏疽组织多呈黑色或污秽
E.
病变部位主要为四肢和与外界相通的内脏
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