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根据以上C代码，函数heapMaximum、heapExtractMax和maxHeapInsert的时间复杂度的紧致上界分别为 (6) 、 (7) 和 (8) (用O符号表示)。（7）--（）

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Experts suggest using a different password for every website you visit，and changing the password every few months. It takes trouble to keep them in mind，but it’s well worth the 56 .Be 57 .with your passwords and make it difficult it is for someone to enter your 58 .The more 59 you make your password，the more difficult it is for someone else to figure it 60 . Use privacy settings（设置）on social websites to 61 entry into your personal information and limit the 62 of private information you share. Even seemingly innocent information you expose about yourself could be used 63 you. I once read about a burglary（入室盗窃）。 It 64 that the thieves selected that particular home 65 they discovered the owner was out of town by 66 a Facebook message. According to personal safety experts，it isn’t a（n） 67 experience. The information you post on websites can 68 criminal activity. You may not think 69 about posting the concert you are going to or your weekend away，but could be a（n） 70 for trouble. Information on the Internet has made it easier for thieves to steal any information about you. Never 71 your full birth date. Never respond to e-mails 72personal or financial information. Do not freely offer personal information to anyone73 you are certain who you are dealing with. 74 the necessary precautions（预防措施）is the best way to 75 you and your personal information stay protected.

A. which
B. while
C. because
D. although

He will never forget the days _____ he spent in Japan.

A. when
B. after
C. that
D. how

______ on the New World，he felt like crying.

A. land
B. Landed
C. To land
D. Having landed

根据以上说明和C代码，填充C代码中的空(1)～(5)。（5）--（）