单项选择题

Which group of people don't migrate because of pull factors

A．Refugees.
B．People looking for a good life.
C．People with overseas relatives or friends.
D．People seeking better job opportunities.
<上一题 目录 下一题>
热门 试题

单项选择题
We can infer from the passage that______.
A．there is little difference between specialization and professionalisation
B．amateurs can compete with professionals in some areas of science
C．amateurs have national academic societies but no local ones
D．professionals welcome amateurs into the scientific community
单项选择题
Which of the following is not the reason for the growth of specialization
A．Accumulation of scientific knowledge.
B．Easy handling of information.
C．Convenience for future research.
D．The development of communication.
相关试题