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Overall，belief in climate change has declined in the American public from roughly 75 percent to 55 percent between 2008 and 2011，with a recent rebound to 62 percent in the fall of 2011，the Brookings Institution survey finds．One noted reason for the rebound was personal experiences with warmer fall and winter temperatures．

Though this kind of weather disruption is what climate scientists predict，they hesitate to place too much emphasis on one or two unusual seasons as a trend that changes public opinion．If next winter is more normal，the public may get the wrong impression about the dangers of climate change．Better for science to be more convincing．

But there’s the rub．The American public is generally illiterate when it comes to science． And when American scientists complain about public illiteracy and lethargy on the vitally important subject of climate change，they also have themselves to blame．

Generally，those who know the most about climate--and other important scientific fields—are locked up in their university ivory towers and conference rooms，speaking a language only they can understand．And they speak mostly to each other，not to the general public，policymakers，or business people--not to those who can actually make things happen．

This is dangerous．We live in an age when scientific issues permeate our social， economic．and political culture．People must be educated about science and the scientific Drocess if we are to make rational and informed decisions that affect our future．But instead，the relative absence of academics and academic scholarship in the public discourse creates a vacuum into which uninformed．wrong，and downright destructive viewpoints get voiced and take hold．

Here’s a typical example．After the Deepwater Horizon oil spill in 2010，conservative talk show host Rush Limbaugh argued that“The ocean will take care of this on its own if it was left alone．．．”In fact，the spill created extensive damage to wide ranging marine habitats as well as the Gulf Coast’s fishing and tourism industries．Long-term impacts are still unclear as scientists continue to monitor underwater plumes of dissolved oil that lie along the bottom．

The fact is that today’s scientists are indeed lost to the academy．The failure begins with training in doctoral programs and continues through professional development where the constant immersion in academic seminars and journals serves to weaken scientists’literacy in the language of public，economic，and political discourse．Scientists limit involvement insuch“outside activities”because tenure and promotion are based primarily on publication in top—tier academic journals．

In mv view．few contemporary issues warrant critical analysis by problem—focused researchers more than environmental sustainability，and particularly climate change． Universities need to train emerging and seasoned scholars in the skills of communicating science to the public and policy makers．We need to develop a new generation of scholars for whom the role of public intellectual is not an anachronism．Without such changes，the climate change debate devolves into a“logic schism”where the ideological extremesdominate the conversation and the space for solutions disappears into a rhetorical shouting match．

The recent rebound in American’s belief in climate change is_______．

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International investors seem incapable of ending their love affair with the dollar． America’s economy has slowed sharply this year，yet its currency has risen to a 15 year high in trade weighted terms．(46)Against the euro the dollar touched$0．888％higher than in early January and close to the level at which the European Central Bank and the Federal Reserve joitly intervened to prop up the European currency last September．Why is the euro looking sickly?

There are plenty of theories．0De is that the markets do not trust the ECB: (47)the euro area economies are not immune to America’s downturn，yet the central bank still seems more concerned with fighting inflation than with supporting growth；another more plausible explanation is that，in an uncertain global economic climate，the dollar has resumed its traditional role as a safehaven currency．Most economists reckon that the euro is undervalued and expect a rebound over the next year．One of the most optimistic is Goldman Sachs．which is predicting a rate of$1．22 in 12 months．

But an analysis by David Owen，an economist at Dresdner Kleinwort Wasserstein，gives pause for thought．(48)He has found that，over the past decade，movements in the real exchange rate of the euro against the dollar have closely reflected the difference between productivity growth in the euro area and in America．When productivity growth in America has been faster than in Europe--as it was in most of the late 1990s the euro falls．and vice versa．This is exactly what economic theory would predict：countries with faster productivity growth in the traded goods sector should see rising real exchange rates．Mr．Owen uses monthly data for productivity growth in manufacturing，a good proxy for the traded goods sector．Using annual productivity data for the whole economy(which are available over a longer period)．the broad relationship between the exchange rate and relative productivity growth in America and Europe seems to have persisted for most of the past 30 years．

Mr．Owen reckons that．in the short term，America’s downturn will reduce the productivity gap between America and the euro area，and so boost the eur0．(49)But in the long．Termhe expect，sproductivity．growth toremain faster in America--in which case,a sustained rise in the euro is unlikely over the next few years．Only if the downturn completely kills the belief in America’s new paradigm，and its productivity growth plummets，will the euro be able to rebound more permanently．

The strength of the dollar this year does indeed seem to hinge on a belief among investors that America’S slowdown will be brief，and that in the longer run America remains the best place in which to invest.(50)But they may be underestimating the potential for productivitygai nsin Eourope，as the singlecurrency boosts competition and encourages firms toexp10it，econoom，ies of scale　through　mergers and acquisitions．The adoption of more flexible working practices in many countries should also help to improve productivity．

Studies in America suggest that the bulk of its productivity gains from information technology come from the use of it rather than from its production So the euro area，too， should start to enjoy productivity gains over the next decade，as it makes fuller use of it If you believe that Europe really is starting to change，buy Euros If not，stick with the darling dollar.

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Direetions： Suppose that you cannot return the book to William in person for some emergency and Will ask someone else to return it

1)Give your suggestions，and explain the reasons

2)Other recommendation．

Write a note in about 100 words to inform. him of itWrite it neatly on the ANSWER SHEET

Do not sign your own name at the end of the letterUse“Zhang Wei”instead

Directions： Write an essay of l60200 words based on the following drawingIn your essay， you should

1)describe the drawing briefly，

2)explain its intended meaning，and then

3)give your comments You should write neatly on the ANSWER SHEET(20 points)

Which of the following reasons is not the cause of American sustained pessimism?

_________

根据以下资料，回答下列各题：