【单选题】5位无符号二进制数能表示的最大十进制整数是()A. 64B. 63C. 32D. 31

陌生APP或链接会夹带木马，窃取个人信息，甚至直接转移走财产,是否正确?()A. 正确B. 错误

在用户体验（UX）设计中，可用性（Usability）通常不包括以下哪个方面？（）A. 有效性B. 效率C. 视觉吸引力D. 容错性

根据委托订单的数量,委托指令可分为整数委托,零数委托和批量委托。A. 正确B. 错误

以下哪些装维步骤必不可少A. 付费手机号绑定B. 云存关联C. 摄像头角度调节，避免夜视异常D. 回单

对被授权访问个人信息的人员，应建立最小授权的访问控制策略，使其仅能访问职责所需的最小必要信息。A. 正确B. 错误

在设计一款针对老年人的智能手机操作指南时，为方便老年人理解和操作，以下哪种设计方式最合理（）？A. 采用大量专业术语和复杂图示B. 用大字体、简单易懂的文字说明，搭配清晰的步骤图片，每一步操作单独成页。，C. 设计成电子书形式，需要老年人自行在手机上翻阅D. 仅提供文字说明，无图片辅助

(1)438+203(2)256+199(3)416-302(4)325-198(5)278+498(6)3.6+2.7+6.4+7.3(7)(4)/(9)+(5)/(6)+(5)/(9)+2(1)/(6)(8)1.3+4.25+3.7+3(9)1874-324-476(10)5-1.4-1.6(11)30-8.12-4.13-7.75(12)(7)/(8)-(4)/(5)+(1)/(8)(13)4.3-2.45+5.7-6.55(14)125times 48(15)25times 32(16)35times 1.4(17)1.25times 88(18)0.25times 444(19)32times 0.25times 12.5(20)25times 80times 0.04times 125(21)1.9times 4times 0.5(22)25times 1.25times 4times 0.8(23)(1.6+1.6+1.6+1.6)times 2.5(24)(0.7+0.7ldots +0.7)times 12.5(80个0.7相加）(25)99times 5.4(26)4.8times 1.01(27)95times 101-95(28)95times 102-190(29)95.6times 18+0.4times 18(30)((1)/(3)-(1)/(6)+(1)/(4))times 12(31)((1)/(3)+(1)/(8)-(1)/(24))div (1)/(24)(32)24times ((1)/(3)+(1)/(8)-(1)/(24))(33)24div ((1)/(3)+(1)/(8)-(1)/(24))(34)1.25times 3.6+1.25times 3(2)/(5)+1(1)/(4)(35)3.3times (3)/(4)+0.75times 5(7)/(10)+75%(36)2(1)/(2)times 6.6+7.5times 6(3)/(5)(37)9.56times 180-95.6times 8(38)4.8times 37+47times 6.3(39)9.5times 8.8+0.12times 95(40)(19)/(20)times 21(41)(7)/(30)times 33(42)(2)/(45)div (1)/(46)(43)(2)/(45)div (1)/(48)(44)(2)/(45)div 42(45)6times 0.75+5times (3)/(4)-3div 4(46)5.4div 1.2div 5(47)270div 18(48)120div (1.2times 4)(49)73div 0.8div 12.5(50)16div 2.5(51)48div 1.25(52)(3)/(7)-((1)/(2)-(3)/(7))+(1)/(2)(53)84-(54-16)(54)84-(54+16)(55)9999times 7778+3333times 6666(56)3.6times 31.4+43.9times 6.4(57)((3)/(4)+(5)/(6))times (12)/(5)(58)(7)/(9)times (13)/(14)+(2)/(9)div (14)/(13)(59)(23)/(20)-(1)/(3)-(2)/(3)(60)(6)/(11)times (7)/(8)-(6)/(8)times (5)/(11)(61)(1)/(2)times (1)/(4)div (1)/(2)times (1)/(4)(62)(25)/(17)-(1)/(3)times (9)/(8)-(5)/(8)(63)(8)/(9)times [(3)/(7)div ((2)/(3)+(1)/(7))](64)(0.9+5)times 3+2.3(65)56times (1)/(57)(66)(3)/(4)+(1)/(4)div (3)/(4)+(1)/(4)(67)((3)/(4)+(1)/(4))div ((3)/(4)+(1)/(4))(68)(7)/(15)div ((7)/(30)-(1)/(15))(69)((7)/(30)-(1)/(15))div (7)/(15)(70)7.2div (5-0.75-0.25)(71)6.4+3.6div 0.5+4.5(72)(6.4+3.6)div 0.5+4.5(73)495div 55+495div 45(74)8div 0.4+8div 1.6(75)0.9+99times 0.9(76)5.28-(1.62+2.28)(77)(5)/(9)-(5)/(9)+(4)/(9)(78)4times ((3)/(8)+)(79)(5)/(9)+(3)/(11)++(80)2-((1)/(2)+(1)/(25))-(23)/(50)(81)(7)/(18)times (1)/(4)+(3)/(4)times (7)/(18)(82)(7)/(10)times (11)/(14)+(11)/(14)times (3)/(10)(83)(7)/(8)times 9+(7)/(8)(84)(5+(5)/(16))times (4)/(5)(85)((1)/(6)+(1)/(8))times 24(86)(20+(4)/(7))times (7)/(10)(87)(1)/(13)times 39times (8)/(21)(88)(7)/(3)times ((3)/(7)+(3)/(28))(89)((1)/(4)-(1)/(6))times 12(90)(40)/(13)times (26times (3)/(40))(91)(1)/(7)+(7)/(9)+(6)/(7)+(2)/(9)(92)17times (3)/(8)-(3)/(8)(93)((8)/(5)+(8)/(3))times (5)/(8)(94)((13)/(24)+(13)/(16))div (13)/(16)(95)((3)/(8)+(3)/(11))div 3(96)((1)/(27)-(1)/(36))div (1)/(9)(97)(3)/(7)div (7)/(11)+(4)/(7)div (7)/(11)(98)(4)/(5)times (10+(5)/(6))(99)(21+(7)/(15))div (7)/(5)(100)(7)/(13)times (3)/(4)+times (6)/(13)(101)(5)/(2)div (4)/(17)+(3)/(2)div (4)/(17)(102)((5)/(18)-(5)/(24))div (5)/(6)(103)(2)/(3)times (7)/(3)+(4)/(5)+(104)(25)/(17)_(1)/(3)times (9)/(8)-(5)/(8)(105)(12)/(7)-((1)/(3)div (7)/(15)+(4)/(13))(106)(5)/(7)+(9)/(8)times (5)/(9)+(3)/(8)(107)1-(5)/(8)div (25)/(28)-(3)/(10)(108)(1)/(4)times (3)/(7)+div 4(109)5-(4+(6)/(13))(110)1125-997(111)7.46-0.83-2.17(112)12.85-1.17-8.83+1.15(113)4.5times 102(114)0.4times 6.3times 25(115)(4.9+4.9+ldots +4.9)times 2.5(16个4.9相加）(116)7.5times 199(117)((1)/(9)+(1)/(12))times 36(118)1.2times 5.7-1.2+5.3times 1.2(119)0.825times 102-82.5(120)46times (2)/(45)(121)560div 16div 5(122)3div 2.5(123)84+(54-16)(124)(3)/(11)+(5)/(12)+(8)/(11)+(7)/(12)(125)(12)/(7)-((1)/(3)div (7)/(15)+(4)/(13))(126)3times ((1)/(12)+(2)/(15))+(3)/(4)(127)7.2div (5-0.75+0.25)(128)725div 25+275div 25(129)(1)/(2)times (1)/(4)times (2)/(3)(130)(7)/(16)times 45-(7)/(16)div (1)/(45)(131)48times ((5)/(6)-(3)/(8))(132)(12)/(13)times (4)/(5)+(1)/(3)times (1)/(2)(133)(32+(4)/(7))div 4(134)(1)/(3)div (3)/(8)div (8)/(9)(135)46times (2)/(45)(136)(3)/(4)times (1)/(9)+(1)/(4)div 9(137)9.9times 8.6+8.6

3.[判断题]安全控件主要是通过监控用户的登录和退出来保证用户的信息安全。()A. 对B. 错

删除图层的方法有()A. 在图层面板的图层上单击鼠标右键选择“删除图层”B. 在图层菜单中点击“删除图层”□C. 在图层面板中拖拽图层到删除图层图标上DD. 在图层面板单击图层后点键盘Delete键