As a result of preferences given to skilled workers by many countries, source countries are most likely to implement their own immigration quota system.
encounter shortages of talented professionals.
try to attract skilled professionals from other countries.
prohibit emigration and foreign travel among their citizens.
initiate worker training programs.

try to attract skilled professionals from other countries.

Explanation:

encounter shortages of talented professionals

Explanation:

This is because these skilled workers will find a better area to work causing a shortage in source countries (also took the test)

you didnt give a question

like many students at university, you may be unhappy about the results you attain in exams. you may feel that even with all you are doing there must be something more -- or different-- you could be doing to get better grades. we have all at some time or other heard of that student who only studies a couple of hours for final exams and scores a's every time. we stand in awe of those who seem to breeze through without undue effort and seem to need very little in the way of studying to nail an exam. the reasons for success, in what i think are the vast majority of cases, are less esoteric than many students think: successful students consistently apply a series of productive strategies with view to attaining clearly identified learning and grade goals throughout the academic term.