【北师大版】2016届高三英语一轮复习题库选修8 Unit 23《Conflict》_高考复习指南

【北师大版】2016届高三英语一轮复习题库选修8 Unit 23《Conflict》

　　8．We can learn from the passage that________.

　　A．human life will not last more than 120 years in the future

　　B．humans have to take medicine to build new skin cells now

　　C．much needs to be done before humans can have a longer life

　　D．we have already solved the technical problems in building new cells

　　答案　C　[推理判断题。根据最后一段中的“but many technical problems still must be cleared up on the way to this wonderful future”可知还有很多技术问题需要解决，才能实现延长人类寿命的目的。]

　　Ⅱ.根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

　　Staying up all night clearly taxes the body，but scientists have only now added up the exact bill.Researchers from the University of Colorado at Boulder measured the actual calories the body loses for an allnighter.__9__It conserves about as much as in a glass of warm milk.

　　__10__It loses an extra 161 calories that it would have saved during eight hours of sleep(not counting what's used in moving around while awake)，but it's no weightloss miracle.The body tries to make up for the deficit(不足额)by saving more energy than usual the next day and night.

　　To measure how much energy people use during sleep in a more accurate way than has been done before，Kenneth Wright，a physiologist at the University of Colorado，and his colleagues studied seven people.Each of the healthy young volunteers lived inside a sealed room for three days.The volunteers were on bed rest during the entire time and ate the same amount of calories at the same time each day.The researchers continually monitored the person's brain waves and how much oxygen and carbon dioxide the person breathed in and out.__11__