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who am I和whoami命令的区别在于whoami表示的是登陆是的用户，who am I表示的是目前的用户。
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阅读下面短文，然后根据短文内容补全文后表格中所缺失的信息，每空限填数字或一个单词。My name is Jane. My job is to write stories and newsletters for a magazine. I love traveling and hope to visit Great Britain one day. I’d like a pen pal from London, who is interested in discussing the differences between Europe and Asia. I love listening to pop music and playing football.I am Manuel. I’m a businessman and have a large company with many workers and clerks. I would like to find a pen pal who is also a businessman and lives in North America. I like using the Internet.I am working in a university. I speak English, French and Russian. My family name is Jackson but my students usually call me Sarah. I’d like a pen pal who is interested in language learning working in Oxford University. I don’t like using computers for learning and I believe that true language learning can only happen in a classroom.I am Peter and interested in the differences between East Europe and North America. I love riding my horse Jackie and listening to jazz. I usually get at 7 o’clock and go to school around 7:30 in the morning. I want to find a pen pal who has the same interest as me living in Sydney.Cindy is my first name. I am working in a travel agency. Sometimes I am called Mr. Guide as I am working. I’d like to find a pen pal who comes from Europe. I like playing the piano and listening to jazz. I am interested in history, but I don’t like discussing languages.First nameWhat to dolikesPen-pal fromJane61__________Travelling, pop music, and playing footballLondonManuelBusinessmanUsing 62.________________North America63__________TeacherTeachingOxford UniversityPeterStudentRiding horse and listening to jazz64____________Cindy65．_________Playing piano, listening to jazz historyEurope
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A. hisB. one'sC. myD. their
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I am very surprised that even an expert on foreign affairs can know the painting is forgery. （）he can tell who painted it.AHoweverBOtherwiseCNeverthelessDMoreover
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单选题He is one of those men who, I am sure, always do ______ best even in most trying circumstances.A
themB
hisC
theirD
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单选题Hello, may I speak to Mr. Clinton?（）A
Yes, I am Clinton.B
Thank you for calling me.C
This is Clinton speaking.D
Yes, who are you?
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单选题I am very surprised that even an expert on foreign affairs can know the painting is forgery. （）he can tell who painted it.A
HoweverB
OtherwiseC
NeverthelessD
Moreover
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单选题以下哪些命令可以确定当前目录下哪些文件中包含字符串“whoamI”：（）A
grep“whoami“*B
GREP“whoami“*C
grepwhoami*
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