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【单选题】
在( )的微型计算机系统中,外设可和主存贮器单元统一编址 ,因此可以不使用I / O指令:A.
单总线
B.
双总线
C.
三总线
D.
多总线
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举一反三
【单选题】Which of the following is TRUE according to the passage?
A.
People are usually willing to give evidence.
B.
Policemen feel that the image of their lives shown on TV is not accurate.
C.
Policemen and detectives spend little time at the typewriter.
D.
Generally the detective's work is over once the arrest has been made.
【简答题】A市B区的某税务机关，2007年对辖区内纳税人进行税务检查时发现以下事项： 1.2007年3月正式成立的A公司（已办税务登记），2007年10月检查时，发现该公司仍未将其财务、会计制度报送税务机关备案。由于拖延的时间较长，于是，主管的税务机关决定对A公司进行罚款处理，决定对该公司罚款20000元； 2．发现B公司开具的普通发票填写项目不齐全，于是停止对B公司供应发票； 3.发现C公司欠缴税款40万...
【单选题】The last paragraph of this passage may be concluded with the statement that ______.
A.
UN gives priority to peaceful settlement of the conflicts among countries
B.
the peacekeeping troops are most powerful in the conflicts between countries
C.
economic sanction will be imposed on the countries involved in war
D.
joint military action is the last resort of the Security Council in dealing with conflicts among countries
【简答题】已知圆O： ，由直线 上一点P作圆O的两条切线，切点为A，B，若在直线 上至少存在一点P，使 ，则k的取值范围是 .
【简答题】已知点 是直线 上一动点，PA、PB是圆 的两条切线， A、B是切点，若四边形PACB的最小面积是2，则k的值为
【单选题】Jack London became rich and famous
A.
when he was tobly
B.
when he was over twenty
C.
in his thirties
【单选题】When did Chekhov begin to publish stories?
A.
After he graduated.
B.
When he became a university student.
C.
In the 1940s.
D.
In 1892.
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