It's nearly seven o'clock. Jack ( )be there at any moment.A. mustB. needC. should
It's nearly seven o'clock. Jack ( )be there at any moment.
A. must
B. need
C. should
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以下关于Python自带数据结构的运算结果中正确的是哪一项？A．.scores = {'Jack': 90, 'Mike': 80, 'Jay': 85, 'Bill': 60}; del scores['Bill']; len(scores)的结果是6。B．scores = {'Jack': 90, 'Mike': 80, 'Jay': 85, 'Bill': 60}; s = dict(Jack=90, Mike=80, Jay=85, Bill=60); 则scores == s 判断结果是False。C．scores = {'Jack': 90, 'Mike': 80, 'Jay': 85, 'Bill': 60}; 无法执行命令 scores['Bill']=90; 因为原来的字典中已经有了一个值为90了。D．scores = {'Jack': 90, 'Mike': 80, 'Jay': 85, 'Bill': 60}; sorted(scores.keys())的运算结果是 ['
以下关于Python自带数据结构的运算结果中正确的是哪一项？A．scores = {'Jack': 90, 'Mike': 80, 'Jay': 85, 'Bill': 60}; del scores['Bill']; len(scores)的结果是6。B．scores = {'Jack': 90, 'Mike': 80, 'Jay': 85, 'Bill': 60}; s = dict(Jack=90, Mike=80, Jay=85, Bill=60); 则scores == s 判断结果是False。C．scores = {'Jack': 90, 'Mike': 80, 'Jay': 85, 'Bill': 60}; 无法执行命令 scores['Bill']=90; 因为原来的字典中已经有了一个值为90了。D．scores = {'Jack': 90, 'Mike': 80, 'Jay': 85, 'Bill': 60}; sorted(scores.keys())的运算结果是 ['B
以下关于Python自带数据结构的运算结果中正确的是哪一项A．scores = {'Jack': 90, 'Mike': 80, 'Jay': 85, 'Bill': 60}; del scores['Bill']; len(scores)的结果是6。B．scores = {'Jack': 90, 'Mike': 80, 'Jay': 85, 'Bill': 60}; s = dict(Jack=90, Mike=80, Jay=85, Bill=60); 则scores == s 判断结果是False。C．scores = {'Jack': 90, 'Mike': 80, 'Jay': 85, 'Bill': 60}; 无法执行命令 scores['Bill']=90; 因为原来的字典中已经有了一个值为90了。D．scores = {'Jack': 90, 'Mike': 80, 'Jay': 85, 'Bill': 60}; sorted(scores.keys())的运算结果是 ['B