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John的父亲是教师，用谓词逻辑可以表示为Teacher（Father（John））这里Father（John）是（）。
A．常量
B．变元
C．函数
D．一元谓词
参考答案和解析
函数
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Which command will create a group called ’delivery’ and set the administrators to ’john’ and ’mary’？（） A、mkgroup -A=john，mary deliveryB、groupadd -A=john，mary deliveryC、mkgroup adms=john，mary deliveryD、groupadd adms=john，mary delivery
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问答题今天是父亲节。假定你是李华，请给你的美国笔友John写一封电子邮件，谈谈你将如何与父亲一起度过这个特别的日子。要点如下： ●表述你与父亲间的情感； ●为父亲制作一张卡片； ●帮助父亲做点事； ●陪父亲散步等。 注意： 1. 词数80～100； 2. 请不要逐句翻译，可适当发挥； 3. 邮件的开头和结尾已为你写好，不计入总词数。 Dear John, It’s Father’s Day today. It’s a special day, isn’t it? What’s your plan for Father’s Day? I’m looking forward to hearing from you.Yours,Li Hua
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单选题_____A
Study math with John.B
Talk with John about his study.C
Ask John to be their tutor.D
Take John to a doctor.
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单选题下列（）汇票的写法是指示性抬头。A
pay to John Davids or bearerB
pay to John Davids onlyC
pay to John Davids not transferableD
pay to John Davids
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单选题下列语句错误的是（）。A
char*p=“John”；p[2]=‘a’；B
charname[5]=“John”；name[2]=’a’；C
charname[5]=“John”，*p=name；p[2]=‘a’；D
charname[5]=“John”，*p=name[1]；p[2]=‘a’；
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单选题Neither John（）his father was able to wake up early enough to catch the morning trainA
norB
orC
butD
and
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多选题下面哪些可以将john添加到users数组中？（）A$users[]=‘john’；Barray_add（$users，’john’）；Carray_push（$users，‘john’）；D$users[“name”]=‘john’；
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