【正文】 AWith customers regularly switching mobile services and upgrading their phones, discarded cell phones are going to incinerator(焚化爐) and landfills in record numbers, as environmental pollution increases. But now users can donate unwanted phones to charities or recycle them. “A simple recycled cell phone can have great effects,” said Seth Haines, president of Atlantabased Collective Good Inc. “One phone donated to CARE (an international aid organization) can probably feed somebody for a month or save 1,000 square feet of rain forest forever.” “More than 128 million people in the US have a mobile, which they typically replace after 18 months, according to Inform. Inc, an environmental research organization in New York.” By 2005, the group predicts, about 65,000 tons will “retire” every year in the US. Not only do these phones add to the landfill waste but the toxin(霉素) they give out are damaging the environment. The phones contain toxic chemicals that have been associated with cancer and neurological(神經(jīng)的) disorder. The toxin do not degrade(分解), but “increase in large number in the environment and can damage the ecosystem, moving up the food chain as people eat plants, livestock and seafood,” said Eric Most, director of Inform’s Solid Waste Prevention program. The situation is so bad that the US Environmental Protection Agency has given Inform Inc. a grant to study cell phone collection and donation programs.51. According to the passage, if Americans don’t like their cell phones, the best way is to _______ A. put them in incinerators B. bury them under the ground C. put them into the sea D. donate to charities52. Which of the following doesn’t belong to the ill effect of toxins? A. cancer B. damage of the ecosystem C. less ine D. neurological disorders53. After reading the passage, we know________ A. toxic materials are easy to degrade B. US Environmental Protection Agency paid more attention to the recycling of cell phones. C. takeback plans for cell phones will be easy to carry out in the US. D. cell phones have more disadvantages than advantages in our daily lifeBThere is a sandy beach on the coast on Hawaii that is known as the worldfamous Waikiki Beach. At some points on Waikiki Beach, however, the sand is only wide enough for two or three people to lie down between solid land and Pacific Ocean waters. “It used to be big. Now it’s crowded, and everyone is bunched together,” a local person said. “The water is too close.” The beach has shrunk by about a foot per year over the past five decades. If it’s not cared for, Waikiki Beach will eventually disappear entirely.According to the scientists, the problem isn’t caused by heavy use by the 70,000 tourists who walk on the islands each day. The main reason is a sand shortage caused by shoreline development, including sea walls and other manmade structure.Beach shrinking is mon worldwide. The usual way to save it is to bring more sand, but that hasn’t been done at Waikiki since the 1970s. State officials are testing a sand –pumping project to repair the beach using offshore sand, which means that it won’t be necessary to import sand from other countries. The plan is to dredge 10,000 cubic yards of sand from about a half –mile offshore, then pump it back to the beach.The ＄425,000 test program gives beach lovers hope that Waikiki could be returned to its original size, but it could cost as much as ＄25 million to repair the entire beach.State officials say that the plan to dredge and pump sand is environmentally friendly, because it recycles the same sand that was originally part of the beach. If successfully, they say the project could bee a model for repairing more of Waikiki and other fading Hawaiian beaches.54. What happened to Waikiki Beach?A. It was ruined by the millions of tourists every year.B. A sand –pumping project is being carried out on the beach.C. At any points, it is only wide enough for two or three people to lie down.D. A project to repair the beach is being tested now.55. The underlined word “shrink” probably means “_______”A. be quick B. be slow C. bee biggerD. bee smaller56. According to the scientists, why does Waikiki Beach bee smaller?A. There are too many tourists walking on the beach every day.B. The government isn’t paying much attention to this case.C. There is a sand shortage caused by shoreline development.D. The sand has been taken away by the strong wind.57. What can we learn about the sand pumping project?A. The project is harmless to the environment.B. There used to be another similar project in HawaiiC. The local government will pay for everything.D. It will cost about ＄425,000 to repair the whole beach.CI was born in Tuckahoe, Talbot Country, Maryland. I have no accurate knowledge of my age, never having seen any record containing it. By far the largest part of the slaves know as little of their age as horses knows of theirs, and it is the wish of most masters within my knowledge to keep their slaves thus ignorant. I do not remember having ever met a slave who could tell of his birthday. They seldom e nearer to it than plantingtime, harvesting, springtime, or fall time. A lack of information concerning my own was a source of unhappiness to me even during childhood. The white children could tell their ages, I could not tell why the same right ought to be taken away from me. I was not allowed to ask my master about it. He considered all such questions on the part of a slave improper and impolite. The nearest estimate I can give makes me now between 27 and 28 years of age. I e to this, from hearing my master say, some time during 1835, I was about to 17 years old. My mother was named Harriet Bailey. She was the daughter of Issac and Betsey Bailey, both colored, and quite dark. My father was a white man. The