题目内容

Which of these questions did Mr Sanderson ask Laura?Tick them.[音频]

A. Why do you think you would be a good car mechanic?
B. Would you like something to drink?
C. Would you like to look around the garage?
Do you mind getting your hands dirty?
E. Can you do an oil change?
F. Can you work under pressure?
G. Are you able to work with computers?
H. Would you be prepared to learn to work on large engines?

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（）利用已知类别的样本，训练学习得到一个最优模型，使其达到所要求性能，再利用这个训练所得模型对未知数据进行分类。

A. 监督学习
B. 无监督学习
C. 半监督学习
D. 强化学习

已知X=21， Y=15， Z=22，计算表达式 ((X>Y) or (Y>Z)) and ((X

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C. 真
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已知X=21， Y=15， Z=22，计算表达式 ((X>Y) AND (Y>Z)) OR ((X

A. 真
B. 假
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D. 4

已知A=40；B=30；C=100；D=50，逻辑“与”运算符为and，“或”运算符为or，“非”运算符为not。计算表达式A < A * 5的值，结果为（）。

A. 40
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C. 真
D. 假