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【单选题】
湿润纠结的头发用A.
20%的乙醇溶液
B.
50%的乙醇溶液
C.
75%的乙醇溶液
D.
30%的乙醇溶液
E.
95%的乙醇溶液
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举一反三
【简答题】根据短文内容回答下列问题 My name is Nancy. I’m a student. I’m twelve. My father is a teacher. My mother is a teacher, too. John is my brother. We are all in Beijing, China. The man in a black coat is my father. T...
【简答题】用cat命令在用户主目录下创建一名为f1的文本文件,内容为: Linux is useful for us all You can never imagine how great it is.
【简答题】完形填空。 I believe in my mother. My belief began when I was a kid, when I 1 becoming a doctor. My mother was a 2 . Through her work, she observed that 3 people spent a lot more time 4 than they did watch...
【单选题】管理员希望在创建新用户的时候,自动在用户主目录下放置一个系统使用说明文件ReadMe,他应该( )。
A.
在/etc/default目录下放置ReadMe文件，创建用户后复制该文件
B.
在/etc/profile.d目录中放置ReadMe文件，创建用户后复制该文件
C.
在/etc/skel目录中放置ReadMe文件
D.
修改/etc/profile文件，用cp命令把ReadMe文件复制到用户主目录
【简答题】听问句，选答语。 ( ) 1. A. My father is a businessman. B. My father is 38 years old. ( ) 2. A. My mother likes to watch TV. B. My father likes to play ping-pong. ( ) 3. A. We speak Chinese. B. We ...
【简答题】在用户家目录下用一条命创建一个dir1目录,并在dir1下创建一个名为dir2的目录
【单选题】The policeman asked me ______ and ______ .
A.
what was the matter; what was my name
B.
what was the matter; what my name was
C.
what the matter was; what was my name
D.
what the matter was; what my name was
【多选题】如果要在当前用户主目录中创建一个名为sampledir 的目录,并在该目录下创建一个名为sampledir01的目录,应该输入什么样命令?
A.
mkdir ～/sampledir mkdir ～/sampledir/sampledir01
B.
mkdir ～/sampledir/sampledir01
C.
mkdir ../sampledir
D.
mkdir -p ～/sampledir/sampledir01
【单选题】The very idea of my sister being a thief is quite______! She is a qualified dentist, a mother of three and a board member of their primary school.
A.
risky
B.
dishonest
C.
futile
D.
absurd
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