下列程序段的执行结果为()。   a=2   b=0   Select Case a

题型:单项选择题

问题:

下列程序段的执行结果为()。   a=2   b=0   Select Case a    Case 1     Select Case b      Case 0       Print " * * 0 * *"      Case 1       Print" * * 1 * *"    End selec   Case 2     Print " * * 2 * *"   End Select

A. Open"InfoBase.dat"For Output As #2

B. Open"d:\InfoBase.dat"For Output As #2

C. Open"d:\InfoBase.dat"For Input As #2

D. Open"InfoBase.dat",For Input As #2

考点:计算机等级考试VISUALBASIC国家计算机二级(VB)71
题型:单项选择题

Long ago ,there lived in Greece a learned man. He was so well known for his good knowledge of almost everything that lots of people from all over the country came to learn from him. The great man taught his students whole-heartedly and answered their questions with great patience.

One day a student asked him, “ My dear teacher, didn’t you say you yourself have many ,many more questions about things than we do? But I think we students have far more than you.”

With a smile on his face, the teacher drew two circles ,one as large as a big cake, the other smaller. Then he said , “Of course, I have learned much more. But it’s wrong to think that a teacher has fewer questions than his students. Now, look at these two circles. The inside of the bigger one is my knowledge of things, and the inside of the smaller one is yours. Out of the circles is what is still unknown to us. Since mine is larger, I have to use the longer line to draw the bigger circle. That means I have more opportunities to face what is still unknown. And that’s why I myself have more questions than you do. The more you learn , the more questions you have. You will never learn enough ,you know.”

小题1:The learned man drew two circles to show _____.

A.he was good at drawing circles

B.his knowledge had something to do with the circles

C.why he had more questions than the students

D.how he could get more knowledge小题2:The student didn’t agree that ______.

A.the teacher had so many questions as a learned man

B.the teacher had so many questions

C.the students had fewer questions than the teacher

D.the students had more questions than 0the teacher小题3:The teacher was famous for his ______.

A.kindness

B.knowledge

C.patience

D.questions小题4:From the passage we can learn that_____.

A.the more questions we have, the more knowledge we may get

B.it’s never too old to learn

C.every one of us should try to be a learned man

D.a teacher should have many questions小题5:Which of the following shows us what the teacher drew?

题型:单项选择题

如图所示,当开关S闭合后,螺线管A、B相互吸引.请标出螺线管A的N、S极和螺线管B的绕线.

题型:单项选择题

2008年4月28日在山东淄博周村至王村间发生了列车相撞,造成七十多人死亡,许多重大事故的发生是由于领导班子的失误,这次事件也不例外,事故发生后,济南市铁路局5名干部被停职。从政治生活的角度看,决策的失误往往存在失误的“发生机制”。为防止决策失误,决策机关进行科学决策的重要前提是 ( )

A.拓宽民意反映渠道 b.提高决策机关领导的素质

C.公民享有对涉及公共利益的决策的知情权 d.人民能否成为决策者

题型:单项选择题

代位继承与转继承有哪些区别?

题型:单项选择题

伤寒发病第一周时阳性检出率最高的是()

A.粪便培养

B.血液培养

C.尿液培养

D.肥达反应

E.呕吐物培养

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