绪论 单元测试

1、单选题:
习近平总书记强调,( )是国之大计、党之大计。培养什么人、怎样培养人、为谁培养人是教育的根本问题。
选项:
A:科技
B:创新
C:教育
D:人才
答案: 【教育点我阅读全文

第一章 单元测试

1、单选题:
为系统的输入信号, 为系统的零状态响应,则下列系统中( )是非时变系统。
选项:
A:.w66685962255s .brush0 { fill: rgb(255,255,255); } .w66685962255s .pen0 { stroke: rgb(0,0,0); stroke-width: 1; stroke-linejoin: round; } .w66685962255s .font0 { font-size: 406px; font-family: "Times New Roman", serif; } .w66685962255s .font1 { font-style: italic; font-size: 260px; font-family: "Times New Roman", serif; } .w66685962255s .font2 { font-style: italic; font-size: 406px; font-family: "Times New Roman", serif; } .w66685962255s .font3 { font-size: 373px; font-family: Symbol, serif; } .w66685962255s .font4 { font-weight: bold; font-size: 76px; font-family: System, sans-serif; } []0.5[] k ykxk =
B:
C:.w66685962275s .brush0 { fill: rgb(255,255,255); } .w66685962275s .pen0 { stroke: rgb(0,0,0); stroke-width: 1; stroke-linejoin: round; } .w66685962275s .font0 { font-size: 406px; font-family: "Times New Roman", serif; } .w66685962275s .font1 { font-style: italic; font-size: 406px; font-family: "Times New Roman", serif; } .w66685962275s .font2 { font-size: 373px; font-family: Symbol, serif; } .w66685962275s .font3 { font-weight: bold; font-size: 76px; font-family: System, sans-serif; } ()() yttxt =
D:.w66685962232s .brush0 { fill: rgb(255,255,255); } .w66685962232s .pen0 { stroke: rgb(0,0,0); stroke-width: 1; stroke-linejoin: round; } .w66685962232s .pen1 { stroke: rgb(0,0,0); stroke-width: 19; stroke-linejoin: round; } .w66685962232s .font0 { font-size: 406px; font-family: "Times New Roman", serif; } .w66685962232s .font1 { font-style: italic; font-size: 406px; font-family: "Times New Roman", serif; } .w66685962232s .font2 { font-size: 373px; font-family: Symbol, serif; } .w66685962232s .font3 { font-weight: bold; font-size: 76px; font-family: System, sans-serif; } () ()2 dxt yt dt =
答案: 【.w66685962232s .brush0 { fill: rgb(255,255,255); } .w66685962232s .pen0 { stroke: rgb(0,0,0); stroke-width: 1; stroke-linejoin: round; } .w66685962232s .pen1 { stroke: rgb(0,0,0); stroke-width: 19; stroke-linejoin: round; } .w66685962232s .font0 { font-size: 406px; font-family: "Times New Roman", serif; } .w66685962232s .font1 { font-style: italic; font-size: 406px; font-family: "Times New Roman", serif; } .w66685962232s .font2 { font-size: 373px; font-family: Symbol, serif; } .w66685962232s .font3 { font-weight: bold; font-size: 76px; font-family: System, sans-serif; } () ()2 dxt yt dt =点我阅读全文

第一章 单元测试

1、多选题:
公安管理的基本原则包括哪些?( )
选项:
A:谋求效益的原则
B:讲政治的原则
C:重法治的原则
D:以人为本的原则
答案: 【谋求效益的原则;
讲政治的原则;
重法治的原则;
以人为本的原则
点我阅读全文

第一章 单元测试

1、判断题:
Mark √ for True or × for False according to video 1.1.( )According to Collins Dictionary, logic is a method of reasoning that involves a series of statements, not each of which must be true even if the statement before it is true. That is to say, in order to reason a valid result, /the preconditions of the reasoning have to be valid as well.
选项:
A:对
B:错
答案: 【点我阅读全文

第一章 单元测试

1、多选题:
1 module up_down(clk, rst, result, c_out);2 input clk, rst;3 output[5:0] result;4 output c_out;5 always @(posedge clk or negedge rst)6 if(rst)7 begin8 result<=0;9 c_out<=0;10 end11 else if(result==59)12 begin13 result<=0;14 c_out<=1;15 else16 result<=result+1;17 c_out<=0;18 end19 endmodule;上面是一段描述具有异步清零,带进位输出的60进制的累加电路的Verilog描述,请指出该代码中不符合Verilog语法的地方。( )
选项:
A:语句12和18分别缺少end和begin;
B:语句19删除“;”
C:语句3和4没有将变量定义为reg类型;
D:语句6改为!rst;
答案: 【语句12和18分别缺少end和begin;;
语句19删除“;”;
语句3和4没有将变量定义为reg类型;;
语句6改为!rst;
点我阅读全文

绪论 单元测试

1、单选题:
现代生物化学从20世纪50年代开始,以下列哪一学说的提出为标志:( )。
选项:
A:断裂基因
B:三羧酸循环
C:DNA的右手双螺旋结构模型
D:基因表达调控
答案: 【DNA的右手双螺旋结构模型点我阅读全文

第一章 单元测试

1、单选题:
在一个总体设计范围内,由一个或几个单项工程组成,经济上实行独立核算的项目称为( )。
选项:
A:单项工程
B:分项工程
C:单位工程
D:建设项目
答案: 【建设项目点我阅读全文