Directions: In this section, there is a passage with ten blanks. You are required to select one word for each blank from a list of choices given in a word bank before the passage. Read the passage through carefully before making your choices. Each choice in the bank is identified by a letter. Please write down the corresponding letter for each item in the blanks. You may not use any of the words in the bank more than once.A) interested E) regardless I) occur M) rangeB) maintain F) intelligence J) convinced N) adjustedC) suspicious G) enormous K) enables O) astonishedD) influences H) specializes L) ageResearchers have established that when people are mentally engaged, biochemical (生物化学) changes _______ 26 _______ in the brain that allow it to act more effectively in cognitive (认知的) areas such as attention and memory. This is true _______ 27 _______ of age. People will be alert and receptive if they are faced with information that gets them to think about things they are _______ 28 _______ in. And someone with a history of doing more rather than less will go into old age more cognitively sound than someone who has not had an active mind.Many experts are so _______ 29 _______ of the benefits of challenging the brain that they are putting the theory to work in their own lives. "The idea is not necessarily to learn to memorize _______ 30 _______ amounts of information," says James Fozard, associate director of the National Institute on Aging. "Most of us don't need that kind of skill. Such specific training is of less interest than being able to _______ 31 _______ mental alertness (警觉性).” Fozard and others say they challenge their brains with different mental skills, both because they enjoy them and because they are sure that their _______ 32 _______ of activities will help the way their brains work.Gene Cohen, acting director of the same institute, suggests that people in their old age should engage in mental and physical activities individually as well as in groups. Cohen says that we are frequently advised to keep physically active as we _______ 33 _______, but older people need to keep mentally active as well. Those who do are more likely to maintain their intellectual abilities and to be generally happier and better _______ 34 _______ . "The point is, you need to do both," Cohen says. "Intellectual activity _______ 35 _______ brain-cell health and size."

Directions: In this section, there is a passage with ten blanks. You are required to select one word for each blank from a list of choices given in a word bank before the passage. Read the passage through carefully before making your choices. Each choice in the bank is identified by a letter. Please write down the corresponding letter for each item in the blanks. You may not use any of the words in the bank more than once. A) interested E) regardless I) occur M) range B) maintain F) intelligence J) convinced N) adjusted C) suspicious G) enormous K) enables O) astonished D) influences H) specializes L) age Researchers have established that when people are mentally engaged, biochemical (生物化学) changes _______ 26 _______ in the brain that allow it to act more effectively in cognitive (认知的) areas such as attention and memory. This is true _______ 27 _______ of age. People will be alert and receptive if they are faced with information that gets them to think about things they are _______ 28 _______ in. And someone with a history of doing more rather than less will go into old age more cognitively sound than someone who has not had an active mind. Many experts are so _______ 29 _______ of the benefits of challenging the brain that they are putting the theory to work in their own lives. "The idea is not necessarily to learn to memorize _______ 30 _______ amounts of information," says James Fozard, associate director of the National Institute on Aging. "Most of us don't need that kind of skill. Such specific training is of less interest than being able to _______ 31 _______ mental alertness (警觉性).” Fozard and others say they challenge their brains with different mental skills, both because they enjoy them and because they are sure that their _______ 32 _______ of activities will help the way their brains work. Gene Cohen, acting director of the same institute, suggests that people in their old age should engage in mental and physical activities individually as well as in groups. Cohen says that we are frequently advised to keep physically active as we _______ 33 _______, but older people need to keep mentally active as well. Those who do are more likely to maintain their intellectual abilities and to be generally happier and better _______ 34 _______ . "The point is, you need to do both," Cohen says. "Intellectual activity _______ 35 _______ brain-cell health and size."