阅读理解长难句分析专项练习Consequently, most of the worlds fridges are to be found, not in the tropics where they might prove useful, but in the wealthy countries with mild temperatures where they are climatically almost unnecessary・Every win ter, milli ons of fridges hum away continu ously, and at vast expe nse, busily main taining an artificially-cooled space inside an artificially-heated house一while outside, nature provides the desired temperature free of charge.As the intelligenee of robots increases to match that of humans and as their cost declines through economies of scale we may use them to expand our frontiers, first on earth through their ability to withstand environments harmful to ourselves・In addition, changes made to the construction codes in Los Angeles during the last 20 years have st re ngthened the citys buildings and highways, making them more resista nt to quakes.The goal was to let farmers precisely target pesticideC 杀虫剂）spraying rather than rain poison on a whole field, which in variably in eludes plants that dorVt have pest （害虫）problems.In general, the controls imposed represent the needs of the parents and the values of the comm unity as much as the childs own happi ness ・For all these reasons, reading newspapers efficiently, which means getting what you want from them without missing things you need but without wasting time, demands skill and self-awareness as you modify and apply the techniques of reading・The next test was more complex, requiring all to sean sequences of 20 identical letters and resp ond the instant one of the letters tran sformed into a d if fere nt one.In fact, zzlearning to use a computer" is much more like "learning to play a garnet but learning the rules of one game may not help you play a second game, whose rules may not be the same.Understanding and accepting that true happiness has nothing to do with fun is one of the most liberating realizations.Thatch which has been done the British way lasts from twenty to sixty years, and is an effective defianee against the heat・Competition is not only good in itself, it is the means by which other basic American values such as in dividual freedom, equality of opportunity, and hard work are protected ・The security of knowing that property is protected by insurance makes the purchase of fire in sura nee a worthwhile in vestme nt for most people ・Experts know that portable device emit radiation which affects those wave lengths which aircraft use for navigation and communication.The progress from a rattle （拨浪鼓）used by a baby in 3000 BC to one used by an infant today, however, is not characterized by inventiveness.Of major concern to Amtrak and its advertising agency DDB Needham, were the Iong-distanee western routes where ridership had been declining significantly.Trains were fast, very luxurious, and quite convenient compared to other forms of transportation existing at the time・These ads were strategically placed among family-oriented TV shows and programs involving nature and America in order to most effectively reach target audiences・But 70 percent of the people who left in the past two years took jobs that paid less than $6 an hour."The reform in changing the moral climate in low-income communities. Its beginning to rebuild the work ethic （道德观）,which is much more important."Studies over a range of illnesses, from depression to heart disease, reveal that the presenee of social support helps people fend off （挡开）illness, and the absenee of such support makes poor health more likely.The reality that has blocked my path to become the typical successful student is that engineering and the liberal arts simply dont mix as easily as I assumed in high school.Shrinking landfill space, and rising costs for burying and burning rubbish are forcing local go ver nments to look more closely at recycli ng.Recycling also stimulates the local economy by creating jobs and trims the pollution control and energy costs of industries that make recycled products by giving them a more refined raw material.Rather than spread control among hundreds or even thousands of local, regional, and national agencies that watch various aspects of water use, countries should set up central authorities to coordinate water policy・But over the last couple of decades the number of people opposed to fox hunting, because they think it is brutal （残酷的），has risen sharply.The decline in moral standards — which has long concerned social analysts — has at last captured the attention of average Americans・Negative events like "serious illness of a family member" were high on the list, but so were some positive life-changing events, like marriage・Even if stressful events are dangerous, many — like the death of a loved one — are impossible to avoid.Most episodes of absent-mindedness — forgetting where you left something or wondering why you just entered a room — are caused by a simple lack of attention."A man who can。