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在窗体中添加一个名称为Command1的命令按钮，然后编写如下程序： Public x As Integer Private Sub(20mmand1_Click() x=10 Call s1 Call s2 MsgBox x End Sub Private Sub s1() x=x+20 EndSub Prirate Sub s2() Dim x As Integer x=x+20 End Sub 窗体打开运行后，单击命令按钮，则消息框的输出结果为( )。
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[听力原文] 16-20Background music may seem harmless, but it can have a powerful effect on those who hear it. Recorded background music first found its way into factories, shops and restaurants in the U. S. But it soon spread to parts of the world. Now it is becoming increasingly difficult to go shopping or eat a meal without listening to music.To begin with, broadcasting the music was intended simply to create a smoothing atmosphere. Recently, however it’s become big business--thanks in part to recent research. Dr. Ronald Millirtan, an American marketing expert, has shown that music can greatly boost sales or incense factory production.But, it has to be light music. A fast one has no effect at all on sales. Slow music can increase income by 38%. This is probably because shoppers slow down and have more opportunity to spot items, they like to buy. Slow music isn’t always the answer. Dr. Millirtan found, for example, in restaurants slow music meant customers took longer time to eat their meals, which reduced overall sales. So restaurant owners might be well advised to play up quick music to keep the customers moving in or out. Of course, this will lead to the customers’ complaints! When people go shopping or eat a meal, what they probably doListening to（）
[听力原文]W: It’s too bad you are late today, the teacher told us a good story. He said all of us will write a composition on that.M: That means I’ll have to do twice as much work. How does the man feel about being late（）
Baghdad, Iraq—If, in time, the attempt to implant a pro-Western, democratic political System in Iraq ends up buried in the desert sands, historians will have no shortage of things that went wrong. (46) Equally, if the problems here ultimately recede, supporters of the enterprise will find vindication (证明’" 正确) in the Bush administration’s decision to hold course as others lost faith.(47) Either way, any reckoning will examine the numbers of American troops committed here: whether they were so thinly stretched that their mission was doomed from the start, or, as Secretary of Defense Donald Rumsfeld said last week, American commanders were given "exactly what they’ve recommended" in terms of troops.Mr. Rumsfeld has long taken a "less is more" approach to combat troop levels, and in a BBC interview Monday, be seemed to move toward those now pressing to reduce troop levels soon. (48) "The reason for fewer," he said, "is because ultimately it’s going to be the Iraqi people who are going to prevail in this insurgency (起义)" in other words, Iraqi, not American, troops are the ones who will win the war, if it can be won.The words seemed at least to nod to politics. (49) Last week, even as opinion polls showed continuing erosion in support for the war, a conservative from a state heavy with military bases who has been a staunch(坚定的)supporter of the war, Representative Walter B. Jones of North Carolina, joined with another Republican and two Democrats in calling on President Bush to begin drawing down the troops in Iraq by Oct. 1, 2006.Earlier this year, the Pentagon offered an even earlier date for an initial reduction. But in recent weeks, American generals here have been telling Congressional visitors that the disappointing performance of many Iraqi combat units has made early departures impractical. They say it will be two years or more before Iraqis can be expected to begin replacing American units as the main guarantors of security.Commanders concerned for their careers have not thought it prudent to go further, and to say publicly what many say privately: that with recent American troop levels—139,000 now they have been forced to play an infernal board game, constantly shuttling combat units from one war zone to another, leaving insurgent buildups unmet in some places while they deal with more urgent problems elsewhere.Generals are not famous for wanting smaller armies. (50) But American commanders here have been cautioned by the reality that the Pentagon (五角大楼), in a time of all-volunteer forces and plunging recruiting levels, has few if any extra troops to deploy(部署), and that there are limits to what American public opinion would bear. So the generals have kept quiet about troop levels. "The reason for fewer," he said, "is because ultimately it’s going to be the Iraqi people who are going to prevail in this insurgency (起义)" in other words, Iraqi, not American, troops are the ones who will win the war, if it can be won.
[听力原文]W: How did Mary do in the raceM: Well. she had a good start, but she quickly fell behind. What did the man mean（）
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