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【单选题】
II类电动工具的绝缘电阻应不小于( )
A.
0.5
B.
2
C.
7
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【简答题】大数据的核心技术包括: 和 。
【单选题】大数据的核心技术包括()
A.
数据分析和数据挖掘
B.
人工智能和数据分析
C.
云计算和数据分析
D.
云计算和机器视觉技术
【单选题】—Would you like some bread? — ________. I'm a little hungry. [     ]
A.
Yes, please
B.
Yes, I would
C.
No, thanks
D.
No, I don't like to
【单选题】I'm still hungry. Could I have two _________ pieces of bread , please? [     ]
A.
much
B.
many
C.
more
D.
most
【判断题】磁盘配额是针对整个文件系统进行限制,xfs文件系统暂时无法限制目录。
A.
正确
B.
错误
【判断题】两反射面夹角为 45 °的五角棱镜,会使光轴方向改变 90° 。
A.
正确
B.
错误
【单选题】—I'm hungry. Could you please give me something to eat ? —Of course. Here are some ____________.
A.
apple
B.
water
C.
bread
D.
egg
【单选题】I'm hungry. Please give me something . [     ]
A.
eat
B.
to eat
C.
eating
D.
to drink
【单选题】若有定义语句: 正确的输入语句是( )。
A.
scanf(”%lf%If'’,X,Y);
B.
scanf(”%f%f¨X,Y);
C.
scanf(”%f%f¨,X,y);
D.
scanf(”%lf%le”,px,PY);
【单选题】I'm hungry. Please get me something______.
A.
eat
B.
eating
C.
for eating
D.
to eat
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