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张先生，48岁，患糖尿病10年，每日早餐前1h皮下注射精蛋白锌胰岛素。护士应估计到该病人易发生低血糖的时间是
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Carmen Arace Middle School is situated in the pastoral town of Bloomfield, Connecticut, but four years ago it faced many of the same challenges as inner-city schools in nearby cities: low scores on standardized tests, dropping enrollment and high rates of detention. Then the schools principal, Delores Bolton, persuaded her board to buy a laptop computer for each student and teacher to use, in school and at home. The board also provided wireless Internet access at school. Total cost: $ 2. 5 million. Now, an hour before classes start, every seat in the library is taken by students eager to get online. After school, students on buses pull laptops from backpacks to get started on homework. Since the computers arrived, enrollment is up 20%. Disciplinary suspensions are down 80%. Scores on state achievement tests are up 35%. Bolton, who is black, is proud to run "a school with 90% black enrollment that is on the cutting edge. " School systems in rural Maine and New York City are eager to follow Arace Middle Schools example. Governor Angus King has proposed using $ 50 million from an unexpected budget surplus to buy a laptop for all of Maines 17 000 seventh-graders—and for new seventh-graders each fall. The plan, scaled back to $ 30 million in a compromise with the legislature, will be voted on soon. The New York City board of education voted unanimously on April 12, 2000, to create a school Internet portal, which would make money by selling ads and licensing e-commerce sites. The portal will also provide e-mail service for the citys 1. 1 million public school students. Profits will be used to buy laptops for each of the school systems 87 000 fourth-graders. Within nine years, all students in grades 4 and higher will have their own computers. Back in Bloomfield, the school board is seeking federal grant money to expand its laptop program to high school students. In the meantime, most of the kinks have been worked out. Some students were using their computers to goof off or visit unauthorized websites. But teachers have the ability to track where students have been on the Web and to restrict them. "That is the worst...when they disable you," says eighth-grade honors student Jamie Bas-sell. "You go through laptop withdrawal. " The habit is rubbing off on parents. "I taught my mom to use e-mail," says another eighth-grader. "And now shes taking computer classes, Im so proud of her!"
Which of the following is not mentioned as one of the challenges the inner-city schools faced years ago？
The author mentions Carmen Arace Middle School to show that______.
糖尿病酮症酸中毒时病人
一名昏迷病人由警察送来急诊，故无法询问病史，但病人呼吸时有烂苹果味，可拟诊为何病
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