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It's nearly seven o'clock. Jack ( )be there at any moment.
A. must
B. need
C. should
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The medicine is on sale everywhere. 怎么选择
Themedicineisonsaleeverywhere.Youcangetitat____________chemist’s.A)eachB)someC)certainD)any
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下列语句中，不正确的是______。A．static char a[]={"Jack"};B．static char a[]="Jack";C．printf("%s",a[0]);D．scanf("%s",a);
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AIn a small village， there is a teacher， a nurse(护士) ，a driver(司机) and a worker．They are good friends． What are their names? One is Mike， one is Jack， one is Tom and the other is John． Mike's， Jack’s and Tom-s children are classmates． John doesn’t have any children He teaches his friends' children at school． Mike has many hens． He gives the driver and the nurse eggs． Jack's child goes to the nurse- s house． The nurse-s house is beside Jack's．( )21． Are the four people good friends?A． Yes．B． No．C． Not．D． They are brothers．
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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 ['
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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 ['B
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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 ['B
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