",(p/3>0?p/10 : p%3));}
",(p/3>0?p/10 : p%3));}
令A=(P 1 P 2 P 3 P 4 P 5 P 6),其中P 2 P 3 P 4 P 5为单位列向量,则( )一定是一个基。 A: P 1 P 2 P 3 P 4 B: P 2 P 3 P 4 P 5 C: P 3 P 4 P 5 P 6 D: P 2 P 3 P 4 P 6
令A=(P 1 P 2 P 3 P 4 P 5 P 6),其中P 2 P 3 P 4 P 5为单位列向量,则( )一定是一个基。 A: P 1 P 2 P 3 P 4 B: P 2 P 3 P 4 P 5 C: P 3 P 4 P 5 P 6 D: P 2 P 3 P 4 P 6
为指针变量赋值,不正确的语句是 A: inta[3],*p;p=a; B: inta[3],*p;p=&a[0]; C: inta[3],*p;*p=a; D: inta[3],*p;p=a+1;
为指针变量赋值,不正确的语句是 A: inta[3],*p;p=a; B: inta[3],*p;p=&a[0]; C: inta[3],*p;*p=a; D: inta[3],*p;p=a+1;
Part2:Cloze(20%)</p>Passage1</p>Tokyoisoneofthoseplacesthatyoucanloveandhateatthesametime.</p>InTokyotherearealwaystoomanypeopleintheplaceswhereIwantto(61).Ofcoursetherearetoomanycars.TheJapanesedriveveryfastwhentheycan.ButinTokyotheyoftenspendalongtimein(62)jams.ThestreetsinTokyoalwayshavealotofpeople(63)foot,andsometimesitisreallydifficulttowalk.</p>The(64)timetobeinthestreetisat11:30atnight.Thatiswhenthenightclubsareclosingandeverybody(65)togohome.Thereare35,000nightclubsinTokyoandyoudonotoftenseeone(66)isempty.</p>Mostpeopletraveltoand(67)fromworkbytrain.Tokyopeoplebuysixmilliontrainticketseveryday.Atmoststations,trainsarriveeverytwoorthreeminutes,but(68)certainhourstheredonotseemtobeenoughtrains.Althoughtheyareusually(69),Japanesetrainsareverygood.Theyalwaysleaveand(70)ontime.</p>61.</p>
Part2:Cloze(20%)</p>Passage1</p>Tokyoisoneofthoseplacesthatyoucanloveandhateatthesametime.</p>InTokyotherearealwaystoomanypeopleintheplaceswhereIwantto(61).Ofcoursetherearetoomanycars.TheJapanesedriveveryfastwhentheycan.ButinTokyotheyoftenspendalongtimein(62)jams.ThestreetsinTokyoalwayshavealotofpeople(63)foot,andsometimesitisreallydifficulttowalk.</p>The(64)timetobeinthestreetisat11:30atnight.Thatiswhenthenightclubsareclosingandeverybody(65)togohome.Thereare35,000nightclubsinTokyoandyoudonotoftenseeone(66)isempty.</p>Mostpeopletraveltoand(67)fromworkbytrain.Tokyopeoplebuysixmilliontrainticketseveryday.Atmoststations,trainsarriveeverytwoorthreeminutes,but(68)certainhourstheredonotseemtobeenoughtrains.Althoughtheyareusually(69),Japanesetrainsareverygood.Theyalwaysleaveand(70)ontime.</p>61.</p>
如图,直线l与直线m平行,∠1=67°,∠2=25°,则∠3=______.
如图,直线l与直线m平行,∠1=67°,∠2=25°,则∠3=______.
3的拉普拉斯变换为( )。 A: 0 B: 1/p C: -3/p D: 3/p
3的拉普拉斯变换为( )。 A: 0 B: 1/p C: -3/p D: 3/p
3、DHCP协议使用了UDP( )端口。 A: 67 B: 56 C: 80 D: 21
3、DHCP协议使用了UDP( )端口。 A: 67 B: 56 C: 80 D: 21
P(A) = 1/2, P(B) = 1/3, P(B|A) = 2/3, 则P(A | B) = (
P(A) = 1/2, P(B) = 1/3, P(B|A) = 2/3, 则P(A | B) = (
试用不变量与半不变量,判别二次曲线[tex=12.214x1.429]SahZaPtEYNDMmFRgkp6Gph3BsV3Yri2M4//YzlasiF3SZNNyJcTmZpZFeuBXI67P[/tex]为何种曲线,并求出简化方程与标准方程.
试用不变量与半不变量,判别二次曲线[tex=12.214x1.429]SahZaPtEYNDMmFRgkp6Gph3BsV3Yri2M4//YzlasiF3SZNNyJcTmZpZFeuBXI67P[/tex]为何种曲线,并求出简化方程与标准方程.
假设用p 1表示粗集料的真实密度,用p 2表示表观密度,用p 3表示表干密度,用p 4表示毛体积密度,则对于同种粗集料p 1、p 2、p 3、p 4之间的大小关系为( B )。 A: p 1>p 3>p 2>p 4 B: p 1>p 2>p 3>p 4 C: p 2>p 1>p 3>p 4 D: p 2>p 3>p 1>p 4
假设用p 1表示粗集料的真实密度,用p 2表示表观密度,用p 3表示表干密度,用p 4表示毛体积密度,则对于同种粗集料p 1、p 2、p 3、p 4之间的大小关系为( B )。 A: p 1>p 3>p 2>p 4 B: p 1>p 2>p 3>p 4 C: p 2>p 1>p 3>p 4 D: p 2>p 3>p 1>p 4