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【单选题】
当编辑草图时,状态栏上显示草图状态,请选择描述草图的三个状态的选项()
A.
欠定义,完全定义,冲突
B.
自相交,开放,关闭
C.
从动,编辑中,复制
D.
悬空,未求解,开放
E.
欠定义,完全定义,过定义
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【判断题】计算机软件可以分为系统软件和应用软件两大类。
A.
正确
B.
错误
【单选题】What is an elevator?
A.
An elevator is used to grab bulk coal for loading and unloading.
B.
An elevator is used to load or unload of bulk grain.
C.
An elevator is used to transport the liquid cargo.
D.
An elevator is used to handle cargoes in boxes and packets.
【多选题】计算机软件可以分为哪两类?
A.
游戏软件
B.
系统软件
C.
学习软件
D.
应用软件
【多选题】影响 青少年犯罪的个人因素包括( )
A.
青少年盲目模仿性强
B.
青少年好奇心强
C.
青少年辨别是非能力薄弱
D.
青少年自我控制能力薄弱
【简答题】'The world is like a stage' is an example of______, and 'All the world is a stage' is an example of______. They are often used in yzing features of literary language.
【简答题】An organization is an entity comprising multiple people, such as an institution or an association, that has a collective goal and is linked to an external environment.
【单选题】超声声速的测量实验中,换能器要在谐振频率下进行声速的测量,原因为
A.
此时电能与声能转换的最好,得到的波形较清晰
B.
在谐振频率处才能观察到波形
C.
换能器处在谐振频率处才能正常工作
D.
信号源只能输出该频率
【单选题】Who is Joe Brown?
A.
He is an expert in mental workings.
B.
He is an actor.
C.
He is a writer on the importance of friends and relatives.
D.
He is a clinical psychologist and talkshow host.
【判断题】计算机软件可以分为管理软件和应用软件两大类。
A.
正确
B.
错误
【单选题】Who is an authority?
A.
An authority is a celebrity.
B.
An authority is a person of very high social status.
C.
An authority is a person who is in a position to know about a subject.
D.
None of them
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