请大家参考哦！
1．题目：The word "insomnia" means
答案：A）having trouble falling or staying asleep.
2．题目：How many possible causes of sleeplessness are mentioned in the second paragraph?
答案：B）Six.
3．题目：The expression "second on the list" in the second paragraph means
答案：B）the second most important cause of sleeplessness.
4．题目：Concerning the use of sleeping pills, which of the following statements is true?
答案：D）Sleeping pills should be used in a very small amount.
5．题目：Which of the following does not fit with sleep hygiene?
答案：A）Making a rule to go to bed at a specific time every day.
速记口诀：
失眠
1．"insomnia"为失眠____________________
2．六种原因被提及____________________
3．名列第二最重要____________________
4．安眠药物应少用____________________
5．定时睡觉不适合____________________ [卫生类C]
