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窗体上有一个名称为HScroll1的滚动条，程序运行后，当单击滚动条两端的箭头时，立即在窗体上显示滚动框的位置(即刻度值)。下面能够实现上述操作的事件过程是( )。
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下面程序的执行结果是( )。 Private Sub Command1_Click( ) a=0 k=1 Do While k ＜ 4 x=k^k^a k=k+1 Print x ; Loop End Sub
Do you remember all those years when scientists argued that smoking would kill us but the doubters insisted that we didn’t know for sure That the evidence was inconclusive, the science uncertain That the antismoking lobby was out to destroy our way of life and the government should stay out of the way Lots of Americans bought that nonsense, and over three decades, some 10 million smokers went to caily graves.There are upsetting parallels today, as scientists in one wave after another try to awaken us to the growing threat of global warming. The latest was a panel from the National Academy of Sciences, enlisted by the White House, to tell us that the Earth’s atmosphere is definitely warming and that the problem is largely man-made, The clear message is that we should get moving to protect ourselves. The president of the Nation- al Academy, Bruce Alberts, added this key point in the preface to the panel’s report "Science never has all the answers but science does provide us with the best available guide to the future, and it is critical that out nation and the world base important policies on the best judgments that science can provide concerning the future consequences of present actions.Just as on smoking voices now come from many quarters insisting that the science about global warming is incomplete, that it’s OK to keep pouring fumes into the air until we know for sure. This is a dangerous game: by the 100 percent of the evidence is in, it may be too late. With the risks obvious and growing, a prudent people would take out an insurance policy now.Fortunately, the White House is starting to pay attention. But it’s obvious that a majority of the president’s advisers still don’t take global warming seriously. Instead of a plan of action, they continue to press for more research—a classic ease of "paralysis by analysis".To serve as responsible stewards of the planet, we must press forward on deeper atmospheric and oceanic research. But research alone is inadequate. If the Administration won’t take the legislative initiative, Congress should help to begin fashioning conservation measures A bill by Democratic Senator Robert Byrd of West Virginia, which would offer financial incentives for private industry is a promising start. Many see that the country is getting ready to build lots of new power plants to meet our energy needs. If we are ever going to protect the atmosphere, it is crucial that those new plants be environmentally sound. The author associates the issue of global warming with that of smoking because （）.
窗体上有名称为Command1的命令按钮，名称分别为List1、List2的列表框，其中List1的MultiSelect属性设置为1(Simple)，并有如下事件过程： Private Sub Command1_Click( ) For i =0 To List1. ListCount - 1 If List1. Selected(i) = True Then List2. Additem Text End ff Next End Sub 上述事件过程的功能是将List1中被选中的列表项添加到List2中。运行程序时，发现不能达到预期目的，应做修改，下列修改中正确的是( )。
Do you remember all those years when scientists argued that smoking would kill us but the doubters insisted that we didn’t know for sure That the evidence was inconclusive, the science uncertain That the antismoking lobby was out to destroy our way of life and the government should stay out of the way Lots of Americans bought that nonsense, and over three decades, some 10 million smokers went to caily graves.There are upsetting parallels today, as scientists in one wave after another try to awaken us to the growing threat of global warming. The latest was a panel from the National Academy of Sciences, enlisted by the White House, to tell us that the Earth’s atmosphere is definitely warming and that the problem is largely man-made, The clear message is that we should get moving to protect ourselves. The president of the Nation- al Academy, Bruce Alberts, added this key point in the preface to the panel’s report "Science never has all the answers but science does provide us with the best available guide to the future, and it is critical that out nation and the world base important policies on the best judgments that science can provide concerning the future consequences of present actions.Just as on smoking voices now come from many quarters insisting that the science about global warming is incomplete, that it’s OK to keep pouring fumes into the air until we know for sure. This is a dangerous game: by the 100 percent of the evidence is in, it may be too late. With the risks obvious and growing, a prudent people would take out an insurance policy now.Fortunately, the White House is starting to pay attention. But it’s obvious that a majority of the president’s advisers still don’t take global warming seriously. Instead of a plan of action, they continue to press for more research—a classic ease of "paralysis by analysis".To serve as responsible stewards of the planet, we must press forward on deeper atmospheric and oceanic research. But research alone is inadequate. If the Administration won’t take the legislative initiative, Congress should help to begin fashioning conservation measures A bill by Democratic Senator Robert Byrd of West Virginia, which would offer financial incentives for private industry is a promising start. Many see that the country is getting ready to build lots of new power plants to meet our energy needs. If we are ever going to protect the atmosphere, it is crucial that those new plants be environmentally sound. What does the author mean by "paralysis by analysis" (last line, Paragraph 4) ？（）
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