Where did the passage most probably appear？
A. In a specialized publication for moral philosophers.
B. In a specialized report for doctors.
C. In a weekly news magazine with a large readership.
D. On the front page of a daily newspaper.
查看答案
Hamsters have sleeping problems.
A. Right
B. Wrong
C. Not mentioned
There are nurse-managers instead of ______.
Which of the following would be the most appropriate title for the passage？
A. The Proportion of Test-tube Girls to Boys
B. Are Test-tube Babies Healthy？
C. The Social Meaning of the Idea of Test-tube Babies
D. The Moral Issue Associated with Test-tube Babies
SCN plays a role in daily rhythms.
A. Right
B. Wrong
C. Not mentioned
微信支付 
支付宝支付