We all know that the normal human daily cycle of some 7-8 hours sleep alternating with some 16-17 hours wakefulness and that, broadly speaking, the sleep normally coincides with the hours of darkness. Our present concern is win how easily and to what extent this cycle can be modified.　　One answer would seem to be longer periods on each shift, a month, or even three months. Recent research by Bonjer of the Netherlands, however, has shows that people on such systems will revert to their normal habits of sleep and wakefulness during the week-end and that this is quite enough to destroy any adaptation to night work built up during the week.　　1. The question raised in Paragraph 1 is no mere academic one　　B)because sleep normally coincides with the hours of darkness.　　D)because shift work in industry requires people to change the sleeping habits.　　A) people hate the inconvenience of working on night shifts.　　C) not all industries work at the same hours.　　3. According to the passage, the best solution on the problem seems to be　　B) to make periods on each shift longer.　　D) to find ways of selecting people who adapt quickly.　　A) the third week　　C) a third of the time　　5. In the last sentence of the second paragraph, another means　　B) another shift　　D) another person　　What Makes a Soccer Player Great?　　Finally, many great players come from the same kind of neighborhood - a poor, crowed area where a boys dream is not to be a doctor, lawyer, or businessman, but to become a rich, famous athlete or entertainer. For example, Liverpool, which produced the Beetles, had one of the best English soccer teams in recent years. Pele practiced in the street with a ball made of rags. And George Best learned the tricks that made him famous by bouncing the ball off a wall in the slums of Belfast.　　1. According to the author, which of the following statements is true?　　B) Millions of people all over the world are playing soccer, but only six countries have ever had famous stars.　　D) Soccer is one of the most popular games all over the world, but it seems the least popular in North America and Asia.　　A) experience　　C) skills　　3. The Brazilian streets are mentioned to illustrate that　　B) People in poor areas are born with some unique quality　　D) A great soccer player may be born in a slum area.　　A) Pele is the greatest soccer player.　　C) Peles birthplace sets him apart from all the others.　　5. The author mentions all the factors that may affect a soccer players success except　　B) his neighborhood.　　D) his character.

　　We all know that the normal human daily cycle of some 7-8 hours sleep alternating with some 16-17 hours wakefulness and that, broadly speaking, the sleep normally coincides with the hours of darkness. Our present concern is win how easily and to what extent this cycle can be modified.　　One answer would seem to be longer periods on each shift, a month, or even three months. Recent research by Bonjer of the Netherlands, however, has shows that people on such systems will revert to their normal habits of sleep and wakefulness during the week-end and that this is quite enough to destroy any adaptation to night work built up during the week.　　1. The question raised in Paragraph 1 is no mere academic one　　B)because sleep normally coincides with the hours of darkness.　　D)because shift work in industry requires people to change the sleeping habits.　　A) people hate the inconvenience of working on night shifts.　　C) not all industries work at the same hours.　　3. According to the passage, the best solution on the problem seems to be　　B) to make periods on each shift longer.　　D) to find ways of selecting people who adapt quickly.　　A) the third week　　C) a third of the time　　5. In the last sentence of the second paragraph, another means　　B) another shift　　D) another person　　What Makes a Soccer Player Great?　　Finally, many great players come from the same kind of neighborhood - a poor, crowed area where a boys dream is not to be a doctor, lawyer, or businessman, but to become a rich, famous athlete or entertainer. For example, Liverpool, which produced the Beetles, had one of the best English soccer teams in recent years. Pele practiced in the street with a ball made of rags. And George Best learned the tricks that made him famous by bouncing the ball off a wall in the slums of Belfast.　　1. According to the author, which of the following statements is true?　　B) Millions of people all over the world are playing soccer, but only six countries have ever had famous stars.　　D) Soccer is one of the most popular games all over the world, but it seems the least popular in North America and Asia.　　A) experience　　C) skills　　3. The Brazilian streets are mentioned to illustrate that　　B) People in poor areas are born with some unique quality　　D) A great soccer player may be born in a slum area.　　A) Pele is the greatest soccer player.　　C) Peles birthplace sets him apart from all the others.　　5. The author mentions all the factors that may affect a soccer players success except　　B) his neighborhood.　　D) his character.