Sleep
1．题目：The question raised in Paragraph 1 is "no mere academic one"
答案：D）because shift work in industry requires people to change their sleeping habits.
2．题目：According to the passage, the main problem about night work is that
答案：B）your life is disturbed by changing from day to night routines and back.
3．题目：According to the passage, the best solution to the problem seem to be
答案：C）to employ people who will always work at night.
4．题目：In the second paragraph, "the third" means
答案：A）the third week.
5．题目：In the last sentence of the second paragraph, "another" means
答案：A）another routine.
速记口诀：
睡眠
1．睡眠要随工作变 ____________________
2．夜班生活被搅乱 ____________________
3．总上夜班能解决 ____________________
4．third shift第三班 ____________________
5．another用来指习惯 ____________________ [综合类C，卫生类C]