For the boy, the memory of his first oyster ________.
A.has taught him to love all kinds of seafood
B.reminded him how difficult his father was
C.has stayed with him all his life
D.made him remember the salt and the sea
A.has taught him to love all kinds of seafood
B.reminded him how difficult his father was
C.has stayed with him all his life
D.made him remember the salt and the sea
第2题
第3题
Why must visitors not be alone?
A.They may get lost.
B.They have appointments with staff members.
C.Company projects are confidential.
D.They are special guests.
第4题
Which statement is not true?
A.Bush met Iraqi Prime Minister on Friday
B.Brzezinski is a member of Republican Party
C.American people have no much confidence in the war in Iraq
D.Bush believed that the future would be tough
第5题
A.Tobuild fires.
B.To conduct scientific smdms.
C.To train other staff members.
D.To guide nature walks.
第6题
Which of the following is correct?
A.The accident "killed" the young man's memory.
B.The accident left a gap in his memory.
C.The accident made the young man uncomfortable.
D.The accident left a gap in his head.
第7题
第8题
A.He knows who the wallet belongs to.
B.He can call the owner from his house.
C.Some member of his family lost the wallet.
D.The woman should keep the wallet at his house.
第9题
某指令流水线分为五级,分别完成取址(IF)、译码并取数(ID)、执行(EX)、访存(MEM)、写结果(WR)。设完成各阶段操作的时间依次为90 ns、60 ns、70 ns、1 00 ns、50 ns。试问流水线的时钟周期应取何值?若第一条和第二条指令发生数据相关,试问第二条指令需推迟多少时间才能不发生错误?若相邻两条指令发生数据相关,而不推迟第二条指令的执行可采取什么措施?
第10题
By "Be open to external influences" (Line 1, Para.7), the author suggests_____
A.team members explore and discover independently
B.team leaders improve the teams work with fresh ideas
C.teams absorb new insights from the world outside the meeting room
D.teams regularly brainstorm outside the conference morn
第11题
设CPU内部结构如图10.11所示,且PC有自动加1功能。此外还有B、C、D、E、H、L六个寄存器(图中未画),它们各自的输入端和输出端都与内部总线Bus相连,并分别受控制信号控制。要求写出完成下列指令组合逻辑控制单元所发出的微操作命令及节拍安排。 (1)ADD B,C ;(B)+(C)→B (2)SUB E,@H ;(E)-((H))→E 寄存器间接寻址 (3)STA @mem ;ACC→((mem)) 存储器间接寻址