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44 in the work.
Unlike record players, which are good only for playing music encoded on now-out-of-date vinyl discs (塑料唱片), machines that make and read DNA find 45 throughout science and always will. “Human beings are never going to stop caring about DNA,” says Endy. DNA is also tiny, lightweight, and can potentially remain undamaged for thousands of years if 46 in a dark, cool environment.
This new report comes on the heels of 47 research published last August in Science. The new research projects that, if the costs of making DNA continue to drop, the approach might be 48 for long-term storage in as little as 10 years. “It’s 49 exciting,” Endy says.
In the next decade, the approach could store information that needs to last for at least 50 years, such as government records or library texts. And who knows where it will go, 50 Goldman. Perhaps, he says, “when the cloud sucks things off your computer, it will be to store it as DNA.”
III. Reading Comprehension Section A
Directions: For each blank in the following passage there are four words or phrases marked A, B, C and D. Fill in each blank with the word or phrase that best fits the context.
Is love really blind? Yes, it is, at least when it comes to 51 others, US researchers reported. College students who reported they were in love were less likely to 52 other attractive men or women, the team at the University of California Los Angeles and dating Web site eHarmony found.
“Feeling love for your 53 partner appears to make everybody else less attractive, and the emotion appears to enable you to push thoughts of that 54 other out of your mind,” said Gian Gonzaga of eHarmony, whose study is published in the journal Evolution and Human Behavior.
“It’s almost like 55 puts blinders（眼罩）on people,” added Martie Haselton, an associate professor of psychology and communication studies at UCLA.
Gonzaga and Haselton asked 120 undergraduates in committed relationships to 56 photographs of attractive members of the opposite sex from an eHarmony Web site. The 57 were asked to choose the most attractive photos, and write an essay either about their current lover, or the 58 of their choice.
Those who wrote about their lovers were six times less likely to 59 that they thought of the attractive others than volunteers who wrote about the people on 60 photos.
And later asked to 61 the good-looking people in the pictures, the students who wrote about their lovers remembered fewer details about the physical appearance of the attractive 62 . “These people could remember the color of a shirt or whether the photo was taken in New
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York 63 anything attractive about the person,” Gonzaga said.
“It’s not like their overall 64 was hurt; it’s as if they had 65 screened out things that would make them think about how attractive the alternative was.”
51. A. talking with B. looking at C. working with D. smiling at 52. A. take notice of B. be jealous of C. be ignorant of D. catch up with 53. A. loving B. handsome C. romantic D. considerate 54. A. thrilling B. exciting C. tempting D. puzzling 55. A. relationship B. love C. mood D. attraction 56. A. arrange B. examine C. develop D. deliver 57. A. members B. writers C. lovers D. volunteers 58. A. subject B. reason C. desire D. motivation 59. A. delay B. stop C. continue D. admit 60. A. recent B. casual C. special D. random 61. A. report B. repeat C. receive D. recall 62. A. strangers B. partners C. friends D. researchers 63. A. as well as B. but for C. in spite of D. other than 64. A. structure B. memory C. function D. emotion 65. A. traditionally B. physically C. selectively D. equally
Section B
Directions: Read the following three passages. Each passage is followed by several questions or unfinished statements. For each of them there are four choices marked A, B, C and D. Choose the one that fits best according to the information given in the passage you have just read.
(A)
Because of the politics and history of Africa, wild animals there, which are interested in finding food and water not in politics, are in trouble. In the past, there were no borders between African countries, and the animals could travel freely according to the season or the weather. However, in the 19th and 20th centuries, the continent was divided up into colonies and then into nations. Fences were put up along the borders, so the animals could no longer move about freely. Some countries decided to protect their animals by creating national parks. Kruger National Park, created in South Africa in 1926, was one of the first. By the end of the twentieth century, it had become an important tourist attraction and a home for many kinds of animals. Among these, there were about 9,000 elephants, too many for the space in the park. It was not possible to let any elephants leave the park, however. They would be killed by hunters, or they might damage property or hurt people. South African park officials began to look for other solutions to the elephant problem.
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As early as 1990, the governments of South Africa and Mozambique had begun talking about forming a new park together. In 1997, Zimbabwe agreed to add some of its land to the park. A new park would combine the Kruger National Park with parks in Mozambique and Zimbabwe. There would be no national border fences within the park, so that elephants and other animals from the crowded Kruger Park could move to areas of Mozambique and Zimbabwe. This new “transfrontier” park would cover 13,150 square miles (35,000 square kilometers). The idea of a transfrontier park interested several international agencies, which gave money and technical assistance to Mozambique to help build its part of the park.
In April 2001, the new park was opened, with new borders and a new name: The Great Limpopo Transfrontier Park. A border gate was opened between Kruger National Park and Mozambique, and seven elephants were allowed through. They were the first of 1,000 elephants that would be transferred to the world’s greatest animal park.
66. The passage begins with _____. A. a common sense B. a fact C. a mysteries event D. a theory 67. Which of the following was a problem facing Kruger National Park? A. It was not big enough to hold all its elephants. B. A lot of hunters slipped in to hunt animals.
C. As the first national park in Africa, it was not well designed. D. Too much tourism did great damage to it.
68. Which of the following can be inferred from the passage about the new park? A. It is divided into three parts by fences along borders. B. It is built mainly for elephants rather than other animals.
C It is located across the border of South Africa and Mozambique.
D. It is the result of a talk between Mozambique and some international agencies. 69. The passage talks mainly about _____.
A. how international aid has functioned in Africa
B. how the Kruger National Park will save its elephants
C. how three African countries cooperated to make a new park
D. how many African animals have suffered because of natural disasters
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