He is one of the students who____ always on time. A.isB.areC.wasD.be
He is one of the students who____ always on time.
A.is
B.are
C.was
D.be
相关考题：
Teaching activities must be based on the students' cognitive development level and the existing experienced knowledge, thus, students' personal knowledge, students' life world and are also the important curriculum resources except textbook．A.game activitiesB.labour activitiesC.attitudeD.direct experience
2、选出正确的触发器描述A．module D_FF (input D,Clock, output reg Q); always@(Clock,D) Q ＜= D; endmoduleB．module D_FF (input D,Clock, output reg Q); always@(posedge Clock) Q ＜= D; endmoduleC．module D_FF (input D,Clock, output reg Q); always@(negedge Clock) Q ＜= D; endmoduleD．module D_FF (input D,Clock, output reg Q); always_ff@(posedge Clock) Q ＜= D; endmoduleE．module D_FF (input D,Clock, output reg Q); always_ff Q
8、以下代码描述的是Moore型状态机： always @（in or state) case （state) zero: begin out = 0; if （in) next_state = one; else next_state = zero; end …………
以下代码描述的是Moore型状态机： always @（in or state) case （state) zero: begin out = 0; if （in) next_state = one; else next_state = zero; end …………
声明并创建一个学生类Student的对象s，下列语法格式正确的是（）。A．Student s = Student();B．Student s;C．Student s = new Student();D．Student s = new ();
创建students对象，_______语句可以选出第二个同学的身高。 students数据如下： age height weight 1 19 170 68 2 20 165 65 3 18 175 65A．students[1,'height']B．students.loc[2,'height']C．students.iloc[1, 1]D．students['height'][3]
3、下列哪一个表述是正确：A．always@(posedge CLK or RST)B．always@(posedge CLK or negedge RST or A)C．always@(posedge CLK or D or Q)D．always@(posedge CLK or negedge RST)
下列描述中采用时钟clk正边沿触发且rst异步低电平复位的代码描述是A．always @ (posedge clk, negedge rst) if (rst)B．always @ (posedge clk, rst) if (!rst)C．always @ (posedge clk, negedge rst) if (!rst)D．always @ (negedge clk, posedge rst) if (rst)
创建students对象，_______语句可以选出第二个同学的身高。 students数据如下： age height weight 1 19 170 68 2 20 165 65 3 18 175 65A．students.loc[2,'height']B．students.iloc[1, 1]C．students[1,'height']D．students['height'][3]