2. How many possible causes of sleeplessness are mentioned in the second paragraph?
A) Five
B) Six
C) Seven
D) Numerous
3. The expression "Second on the list" in the second paragraph means
A) the second cause of all kinds of sleeplessness.
B) The second most important cause of sleeplessness.
C) The second on the doctor's list about sleepless people.
D) The second on the writer's list recording sleeplessness.
4. Concerning the use of sleeping pills, which of the following statements is true?
A) Most adult Americans use sleeping pills for sleep.
B) Doctors seldom give sleepless people sleeping pills.
C) Sleeping pills should be used for a very fixed period.
D) Sleeping pills should be used in a very small amount.
5. Which of the following does not fit with sleep hygiene?
A) Make a rule to go to bed at a specific time every day.
B) Go to bed when sleepy, not always at the same time.
C) Try not to drink any caffeine and alcohol in the evening
D) Change bad sleep habits and follow doctors' advice
Key: ABBDA
A) Five
B) Six
C) Seven
D) Numerous
3. The expression "Second on the list" in the second paragraph means
A) the second cause of all kinds of sleeplessness.
B) The second most important cause of sleeplessness.
C) The second on the doctor's list about sleepless people.
D) The second on the writer's list recording sleeplessness.
4. Concerning the use of sleeping pills, which of the following statements is true?
A) Most adult Americans use sleeping pills for sleep.
B) Doctors seldom give sleepless people sleeping pills.
C) Sleeping pills should be used for a very fixed period.
D) Sleeping pills should be used in a very small amount.
5. Which of the following does not fit with sleep hygiene?
A) Make a rule to go to bed at a specific time every day.
B) Go to bed when sleepy, not always at the same time.
C) Try not to drink any caffeine and alcohol in the evening
D) Change bad sleep habits and follow doctors' advice
Key: ABBDA