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Unit 1 Text 2 Bill Gates in His Boyhood As a child (and as an adult as well) Bill was untidy. It has been said that in order to balance this, Mary drew up weekly clothing plans for him. On Mondays he might go to school in blue, on Tuesdays in green, on Wednesdays in brown, on Thursdays in black, and so on. Weekend meal schedules might also be planned in detail. Dinner table discussions in the Gates's family home were always lively and educational. "It was a rich environment in which to learn " Bill remembered. Bill's contemporaries, even at the age recognized that he was exceptional Every year, he and his friends would go to summer camp. Bill especially liked swimming and other sports. One of his summer camp friends recalled, “He was never the kind of kid you didn’t want on your team. We all knew Bill was smarter than us. Even back then, when he was nine or ten years old, he talked like an adult and could express himself in ways that none of us understood.” Bill was also well ahead of his classmates in mathematics and science. He needed to go to a school that challenged him, Lakeside, an all boys' school for exceptional students. It was noted for its strict academic demands, a place where" even the dumb kids were smart.” Lakeside allowed students to pursue their own interests to whatever extent they wished. The school prided itself on helping all its students to reach their full potential. It was the ideal environment for someone like Bill Gates. In 1968. the school made a decision that would change thirteen-year-old Bill Gates's life, and that of many of others, too. Money was raised, mainly by parents which enabled the school to gain access to a computer-a Program Data processor(PDP)-through a teletype machine. Type in a few instructions on the teletype machine and a few seconds later the PDP would type back its response. Bill Gates was immediately attracted, so was his best friend at the time, Kent Evans and another student, Paul Allen, who was two years older than Bill. Whenever they had free time, and sometimes when they didn't, they would dash over to the computer room to use the machine. The students became so single-minded that they soon surpassed their teachers in knowledge about computing and got into a lot of trouble because of their obsession. They were neglecting their other studies, and every piece of work was handed in late. Classes were cut. Computer time was also proving to be very expensive. Within months, all the money that had been set aside for the year had been used up. At fourteen, Bill was already writing short programs for the computer to perform. Early games programs such as Tic-Tac-Toe, or Noughts and Crosses, and Lunar Landing were written in what was to become Bill's second language, BASIC. One of the reasons Bill was so good at programming is because it is mathematical and logical. During his time at Lakeside, Bill scored a perfect eight hundred on a mathematics test. It was extremely important to him to get this grade -- he had to take the test more than once in order to do it. Bills and Paul’s obsession with computers and the business world meant that they read a great deal Paul enjoyed magazines like Popular Electronics Computer time was expensive and, because both boys were anxious to get more time and because Bill already had an insight into what they could achieve financially, the two of them decided to set themselves up as a company: The Lakeside Programmers Group "Let’s call the real world and try to sell something to it! "Bill announced.
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【单选题】关于外周化学感受器的叙述,下列哪一项是错误的?
A.
是指颈动脉体和主动脉体
B.
颈动脉体主要调节循环,主动脉体主要调节呼吸
C.
颈动脉体含I型细胞,又称球细胞
D.
颈动脉体中的II型细胞数量少,没有囊泡
E.
能感受动脉血中O2、CO2、H+的变化
【单选题】关于外周化学感受器的叙述,下列哪一项是错误的?
A.
是指颈动脉体和主动脉体
B.
颈动脉体主要调节循环,主动脉体主要调节呼吸
C.
颈动脉体含I型细胞
D.
能感受动脉血中CO2、O2和H+浓度的变化
【单选题】关于外周化学感受器的叙述,下列哪项是错误的
A.
是指颈动脉体和主动脉体
B.
颈动脉体主要调节循环,主动脉体主要调节呼吸
C.
颈动脉体含I型细胞,又称球细胞
D.
能感受动脉血中O\r\n 2 \r\n、CO\r\n 2 \r\n、H\r\n + \r\n的变化
【单选题】关于外周化学感受器的叙述,下列哪项是错误的
A.
是指颈动脉体和主动脉体
B.
颈动脉体主要调节循环,主动脉体主要调节呼吸
C.
颈动脉体含Ⅰ型细胞,又称球细胞
D.
能感受动脉血中O\r\n 2 \r\n、CO\r\n 2 \r\n、H\r\n + \r\n的变化
【单选题】网络计划中,某工作在不影响其紧后工作最早开始时间的前提下,可以利用的机动时间,称为该工作的( )。
A.
总时差
B.
持续时间
C.
自由时差
D.
搭接时间
【单选题】关于外周化学感受器的叙述,下列哪项是 错误 的( )
A.
是指颈动脉体和主动脉体
B.
颈动脉体主要调节循环,主动脉体主要调节呼吸
C.
颈动脉体含Ⅰ型细胞,又称球细胞
D.
能感受动脉血中 O 2 、 CO 2 、 H + 的变化
【单选题】关于外周化学感受器的叙述,下列哪一项是错误的?
A.
是指颈动脉体和主动脉体
B.
呼吸变浅慢
C.
感受血液化学成份的变化后将信息传入中枢使呼吸变深快
D.
能感受动脉血中02、CO2、H+的变化
【简答题】网络计划中,某工作在不影响其紧后工作最早开始时间的前提下,可以利用的机动时间,称为该工作的( )。
【多选题】下列哪类枝条休眠期修剪时不宜进行缓放
A.
背上直立枝
B.
强旺枝
C.
徒长枝
D.
延长头竞争枝
E.
衰弱枝
【简答题】母亲无母乳或母乳不足时,需用_________代替。
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