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【简答题】
在CNKI“中国期刊全文数据库”中分别用主题、篇名、关键词、摘要、全文字段查找“垃圾分类”这一检索词的相关论文,比较检索结果的数量有什么不同,哪个字段最多?哪个字段最少?你认为使用哪个字段检索查准率比较高也比较全面?
拍照语音搜题，微信中搜索"皮皮学"使用
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举一反三
【单选题】Is Stanley’s mother strict with him?
A.
Yes, Stanley is not allowed to play computer games at home.
B.
Yes, Stanley’s mother loves Emily better.
C.
Yes, Stanley can only play computer games after finishing his homework.
【单选题】88机器指令是一种命令语言,它用来规定CPU执行什么操作以及操作对象所在的位置。机器指令是由()组成的。
A.
运算符和寄存器号
B.
ASCII码和汉字码
C.
程序和数据
D.
操作码和操作数
【简答题】Round The World Mr. and Mrs. Spencer both had very busy jobs and didn' t have much time to spend with their young children. They wanted to change this, and because their hobby was boating, they, decid...
【简答题】Stanley has gained 8 pounds a year ever since he turned 18. How much weight has Stanley gained since he turned 18? (1) Stanley now weighs twice what he weighed when he turned 18. (2) Stanley is now tw...
【单选题】Timothy: Stanley, there’s a Mr. Miller on the phone who wants to talk to you. Stanley: _____ Can you ask him to hold? Tell him I’ll talk with him in a few seconds.
A.
Who is Mr. Miller?
B.
I’m busy at the moment
C.
I don’t know him
D.
What’s happened?
【单选题】机器指令是一种命令语言，它用来规定CPU执行什么操作以及操作对象所在的位置。机器指令是由（）组成的。
A.
运算符和寄存器号
B.
ASCII码和汉字码
C.
程序和数据
D.
操作码和操作数
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