【正文】 , electrical wiring, hot water, and airconditioning. ■Of course in early architecture—such as igloos and adobe structures—there was no such equipment, and the skeleton and skin were often one.■However, some modern architectural designs, such as those using folded plates of concreter or airinflated structures, are again unifying skeleton and skin. 翻譯：________________________________________________________________________6. ■Ecologists are especially interested to know what factors contribute to the resilience of munities because climax munities all over the world are being severely damaged or destroyed by human activities. ■The destruction caused by the volcanic explosion of Mount St. Helens, in the northwestern United States, for example, pales in parison to the destruction caused by humans. ■We need to know what aspects of a munity are most important to the munity’s resistance to destruction, as well as its recovery. ■In fact, damage to the environment by humans is often much more severe than damage by natural events and processes. 翻譯：_____________________________________________________________________________________________________________________________________________________7. The reaction of farmers to the inevitable depletion of the Ogallala varies. Many have been attempting to conserve water by irrigating less frequently or by switching to crops that require less water. ■Other, however, have adopted the philosophy that it is best to use the water while it is still economically profitable to do so and to concentrate on highvalue crops such as cotton. ■The incentive of the farmers who wish to conserve water is reduced by their knowledge that many of their neighbors are profiting by using great amounts of water, and in the process are drawing down the entire region’s water supplies.■ Lillian 苑插入句子題練習（翻譯被插入句子，并找出key words）1. 1. But there is also another special kind of conversational flow among Southern women that contributed to their writing. 2. Some of their talk took the form of tales and vignettes told for their own . Sometimes humorous, sometimes sad。 In the face of the uping water supply crisis, a number of grandiose schemes have been developed to transport vast quantities of water by canal or pipeline from the Mississippi, the Missouri, or the Arkansas rivers. ■Unfortunately, the cost of water obtained through any of these schemes would increase pumping costs at least tenfold, making the cost of irrigated agricultural products from the region unpetitive on the national and international markets.But even if uncooperative farmers were to join in the conservation efforts, this would only delay the depletion of the aquifer. 翻譯：_________________________________________________________________________8. Where the forest inhibits the growth of grass and other meadow plants, the blacktailed deer browses on huckleberry, salal, dogwood, and almost any other shrub or herb. But this is fairweather feeding. What keeps the blacktailed deer a lived in the harsher seasons of plant decoy and dormancy? One pensation for not hibernating is the builtin urge to migrate. ■Deer may move from highelevation browse areas in summer down to the lowland areas in late fall. ■Even with snow on the ground, the high bushy understory is exposed。 in the absence of solid linguistic, archaeological, and biological data, many fanciful and mutually exclusive theories were devised. Pacific islanders were variously thought to have e from North America, South America, Egypt, Israel, and India, as well as Southeast Asia. ■ Many older t