21Passage Two

　　听材料，回答下列问题：A. A fan-who likes her song.B. A little boy died of cancer.C. A rock star named Ronan.D. A cancer research centre.

　　本题共7.1分，参考答案:B解析:Passage Two

　　20

　　22A. From the local newspaper.B. From the television program.C. From a letter of Ronan's mother.D. From a blog of Ronan's mother.

　　本题共7.1分，参考答案:D解析:

　　23A. Cancer.B. m-treatment.C. Accidents.D. Electric shock.

　　本题共7.1分，参考答案:C解析:

　　24Passage Three

　　听材料，回答下列问题：A. Sleep for a long time.B. Migrate to warmer areas.C. Eat more food to keep warm.D. Store up food for the next year.

　　本题共7.1分，参考答案:A解析:Passage Three

　　25A. They will have longer time to conserve energy.B. They will not need to migrate any more.C. They will have longer warmer periods to reproduce.D. They will have an increasing population.

　　本题共7.1分，参考答案:C解析:

　　26A. The squirrels' breeding season is extended.B. The female squirrels' productivity falls.C. The squirrels' survival rate reduces.D. The squirrels' life cycles are disrupted.本题共7.1分，参考答案:D解析:

　　二、听力填空 Directions: In this section, you will hear a passage three times. When the passage is read for the first time, you should listen carefully for its general idea. When the passage is read for the second time, you are required to fill in the blanks with the exact words you have just heard. Finally, when the passage is read for the third time, you should check what you have written.27听材料，回答下列问题：

　　Directions: In this section, you will hear a passage three times. When the passage is read for the first time, you should listen carefully for its general idea. When the passage is read for the second time, you are required to fill in the blanks with the exact words you have just heard.Finally, when the passage is read for the third time, you should check what you have written.

　　Using a computer may protect against memory loss late in life, 26 you also make sure to exercise, a new study suggests, In the study, which 27 older adults, computer use and exercise reduced the risk of memory loss, whereas doing either activity alone did not. Participants who engaged in moderate physical activity and used a computer were 64 percent less likely to have mild cognitive impairment, MCI, 28 those who did not exercise and did not use a computer.

　　MCI is a 29 in which people experience noticeable declines in their cognitive function, including memory and language problems, but are still able to perform everyday activities. "The aging of baby boomers is projected to 30 dramatic increases in the 31 of dementia (失智)," said study researcher Dr. Yonas Geda, a physician scientist. "As frequent computer use has become 32 common among all age groups, it is important to examine how it relates to aging and dementia. "

　　However, the study relied on participants to remember how often they had exercised or used a computer in the past year. More studies that follow people forward in time to 33 the results will be needed. Some previous studies have found a link between exercise and a reduced risk of MCI. While others have linked 34 activities, such as reading books, playing games or using a computer. But no studies have examined the combined effects of exercise and computer use. Participants were asked whether they had engaged in 35 physical activities and how frequently they participated in the activities. They were also asked about the extent of their computer use.

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