In scientific community, previous research on siblings
A. mostly focused on the sibling order.
B. studied the characteristics of the kids.
C. studied the matter in a broad sense.
D. wasn't believable and the discussion ended.
查看答案
What is the tone of the passage？
A. Critical.
B. Humorous.
C. Serious.
D. Ambiguous.
The labor market experiment in Boston shows that
A. younger male applicants are more likely to be hired than their female counterparts.
B. age discrimination is quite common in hiring process.
C. the author collected information by interviewing female applicants.
D. female applicants who are 50 years old will never have a chance to get a job.
How did the girls go to school every day？
A. By bus.
By taxi.
C. On foot.
From the last paragraph, we can conclude that
A. managers learned management skills from the family playroom.
B. spouses learned negotiation skills from their siblings.
C. studies on siblings are under the way.
D. studies on siblings need thorough investigation.
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