He is a good student. He ( ) early.A. come alwaysB. always comesC. always come
He is a good student. He ( ) early.
A. come always
B. always comes
C. always come
相关考题：
YouhaveanExchangeServer2010organizationnamedContoso，Ltd.TheorganizationcontainsanEdgeTransportserver.UsersfromacompanynamedFabrikam，Inc.sendmessagesovertheInternetbyusingthe@fabrikam.come-mailaddresssuffix.YouneedtoensurethatmessagessentfromFabrikamuserstoContosousershavethe@contoso.come-mailaddresssuffixinthesourceaddress.Whatshouldyoucreate？（）A.aReceiveconnectorB.anaccepteddomainC.anaddressrewriteentryD.ane-mailaddresspolicy
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
10、在过程赋值语句always语句块里赋值，称为过程赋值，always@ 后面的括号里是敏感列表，如下用持续赋值语句描述了一个异或门电路，与它等价的过程赋值语句是（） input wire a,b; output wire c; assign c = a^b;A．input wire a,b; output reg c; always@(a,b) assign c = a^b;B．input wire a,b; output wire c; always@(a and b) assign c = a^b;C．input wire a,b; output reg c; always@ * assign c = a^b;D．input wire a,b; output logic c; always_comb assign c = a^b;
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)