第一章 单元测试
1、单选题:
计算 .w64974416349s .brush0 { fill: rgb(255,255,255); } .w64974416349s .pen0 { stroke: rgb(0,0,0); stroke-width: 1; stroke-linejoin: round; } .w64974416349s .font0 { font-size: 406px; font-family: "Times New Roman", serif; } .w64974416349s .font1 { font-style: italic; font-size: 406px; font-family: "Times New Roman", serif; } .w64974416349s .font2 { font-size: 373px; font-family: Symbol, serif; } .w64974416349s .font3 { font-weight: bold; font-size: 76px; font-family: System, sans-serif; } cos(10)cos(30) tt - 的周期T=( )。
选项:
A:.w64974416338s .brush0 { fill: rgb(255,255,255); } .w64974416338s .pen0 { stroke: rgb(0,0,0); stroke-width: 1; stroke-linejoin: round; } .w64974416338s .pen1 { stroke: rgb(0,0,0); stroke-width: 19; stroke-linejoin: round; } .w64974416338s .font0 { font-size: 406px; font-family: "Times New Roman", serif; } .w64974416338s .font1 { font-style: italic; font-size: 373px; font-family: Symbol, serif; } .w64974416338s .font2 { font-weight: bold; font-size: 76px; font-family: System, sans-serif; } 3 p
B:.w64974416226s .brush0 { fill: rgb(255,255,255); } .w64974416226s .pen0 { stroke: rgb(0,0,0); stroke-width: 1; stroke-linejoin: round; } .w64974416226s .pen1 { stroke: rgb(0,0,0); stroke-width: 19; stroke-linejoin: round; } .w64974416226s .font0 { font-size: 406px; font-family: "Times New Roman", serif; } .w64974416226s .font1 { font-style: italic; font-size: 373px; font-family: Symbol, serif; } .w64974416226s .font2 { font-weight: bold; font-size: 76px; font-family: System, sans-serif; } 4 p
C:.w64974416240s .brush0 { fill: rgb(255,255,255); } .w64974416240s .pen0 { stroke: rgb(0,0,0); stroke-width: 1; stroke-linejoin: round; } .w64974416240s .font0 { font-style: italic; font-size: 373px; font-family: Symbol, serif; } .w64974416240s .font1 { font-weight: bold; font-size: 76px; font-family: System, sans-serif; } p
D:.w64974416253s .brush0 { fill: rgb(255,255,255); } .w64974416253s .pen0 { stroke: rgb(0,0,0); stroke-width: 1; stroke-linejoin: round; } .w64974416253s .pen1 { stroke: rgb(0,0,0); stroke-width: 19; stroke-linejoin: round; } .w64974416253s .font0 { font-size: 406px; font-family: "Times New Roman", serif; } .w64974416253s .font1 { font-style: italic; font-size: 373px; font-family: Symbol, serif; } .w64974416253s .font2 { font-weight: bold; font-size: 76px; font-family: System, sans-serif; } 5 p
答案: 【.w64974416253s .brush0 { fill: rgb(255,255,255); } .w64974416253s .pen0 { stroke: rgb(0,0,0); stroke-width: 1; stroke-linejoin: round; } .w64974416253s .pen1 { stroke: rgb(0,0,0); stroke-width: 19; stroke-linejoin: round; } .w64974416253s .font0 { font-size: 406px; font-family: "Times New Roman", serif; } .w64974416253s .font1 { font-style: italic; font-size: 373px; font-family: Symbol, serif; } .w64974416253s .font2 { font-weight: bold; font-size: 76px; font-family: System, sans-serif; } 5 p】点我阅读全文