[填空题]Colloquium usually refers to a large academic seminar and it is ______ than seminar.

[填空题]Colloquium usually refers to a large academic seminar and it is ______ than seminar.

[单项选择] Migration is usually defined as "permanent or semipermanent change of residence." This broad definition, of course, would include a move across the street or across a city. Our concern is with movement between nations, not with internal migration within nations, although such movements often exceed international movements in volume. Today, the motives of people who move short distances are very similar to those of international migrants. Students of human migration speak of "push" and "pull" factors, which influence an individual’’s decision to move from one place to another. Push factors are associated with the place of origin. A push factor can be as simple and mild a matter as difficulty in finding a suitable job, or as traumatic as war, or severe famine. Obviously, refugees who leave their homes with guns pointed at their heads are motivated almost entirely by push factors (although pull factors do influence their choice of destination). Pull factors are those associa
A. are all related to economic considerations.
B. are not as decisive as push factors.
C. include a range of considerations.
D. are more important than push factors.

[填空题]Money laundering refers to the changing of large amounts of capital, procured through illegal channels, into______.

[简答题] (Found) in large herds, usually (near water), the impala (is noted) for its graceful movement and its (able) to jump.

[单项选择]AIO refers to
A. actions, involvement and options.
B. activities, interests and opinions.
C. advertising, impact and opportunities.