U2Viewing&Listening_s1.wmvU2Viewing&Listening_s3.wmvU2Viewing&Listening_s2.wmvU2Viewing&Listening_s4.wmvU2Viewing&Listening_s5.wmvU2Viewing&Listening_s6.wmvSegment1“She’sa1kid.I’vealwaysbeen2ofher.Youknow,it’salittle3tolethergoofftocollege.”Segment2“Idon’twantto4yourfeelings,butI’mlike,I’mready.I’mready,Imean,I’m5forthis.Youknow,I’vebeenwaitingforittohappen,soI’mreadytobe6,butI’mgoingto7yourfood.”Segment3“Iam8ascanbeforLouisa.ShesodeservestobeinNewYorkcityatNYU,righthere.Icouldn’tbe9forher.”Segment4“10momentforus,forallofourfamily,youknow.”Segment5“It’sabig11forher,sowe’rethrilledthatshe’smadeit.We’regoingto12herlikecrazy,butthat’sokay.It’sa13adventure.So14,soproud.”Segment6“Forme,itis15.Asaparent,youhavechildren,youwonderwhat’sgoingtotakeplace.Andnowthefactthatheisherenowandisinoneofthe16schoolsinthenation.Hisfuture,I’mnot17about,(be)causethepotentialissogreat.”
举一反三
- 以下程序段实现的输出是（）。for(i=0;i<;=9;i++)s[i]=i;for(i=9;i>;=0;i--)printf("%2d",s[i]);[/i][/i] A: 9 7 5 3 1 B: 1 3 5 7 9 C: 9 8 7 6 5 4 3 2 1 0 D: 0 1 2 3 4 5 6 7 8 9
- 39号元素钇的核外电子排布式是下列排布中的（ ） A: 1 s 2 2 s 2 2 p 6 3 s 2 3 p 6 3 d 10 4 s 2 4 p 6 4 d 1 5 s 2 B: 1 s 2 2 s 2 2 p 6 3 s 2 3 p 6 3 d 10 4 s 2 4 p 6 5 s 2 5 p 1 C: 1 s 2 2 s 2 2 p 6 3 s 2 3 p 6 3 d 10 4 s 2 4 p 6 4 d 2 5 s 1 D: 1 s 2 2 s 2 2 p 6 3 s 2 3 p 6 3 d 10 4 s 2 4 p 6 5 s 2 5 p 1
- 有一段程序: a = Array(1, 2, 3, 4, 5, 6): s =1: For i = 5 To 1 Step -2: s = s * a(i): Next I, 执行后，s的结果是
- 设DES加密算法中的一个S盒为： 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0 1 2 3 14 4 13 1 2 15 11 8 3 10 6 12 5 9 0 7 0 15 7 4 14 2 13 1 10 6 12 11 9 5 3 8 4 1 14 8 13 6 2 11 15 12 9 7 3 10 5 0 15 12 8 2 4 9 1 7 5 11 A: 1010 B: 0001 C: 1011 D: 0111
- 设DES加密算法中的一个S盒为： 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0 1 2 3 14 4 13 1 2 15 11 8 3 10 6 12 5 9 0 7 0 15 7 4 14 2 13 1 10 6 12 11 9 5 3 8 4 1 14 8 13 6 2 11 15 12 9 7 3 10 5 0 15 12 8 2 4 9 1 7 5 11 3 14 10 0 6 13 若给定输入为101101，则该S盒的输出的二进制表示为