In this article Trevor et al. review the influences of pay and job opportunities in respect of job performance, turnover rates and employees' job attitude. The authors use data gained through organizational surveys of blue-chip companies in Vancouver, Canada to try to identify the main cause of employee turnover and whether it is linked to salary growth. Their research focuses on assessing a range of pay structures such as pay for performance and organizational reward plans. The article is useful as Trevor et al. suggest that there are numerous reasons for employee turnover and a variety of differences in employees' job attitude and performance. The main limitation of the article is that the survey sample was restricted to mid-level management, thus the authors indicate that further, more extensive research needs to be undertaken to develop a more in-depth understanding of employee turnover and job performance. As this article was published in a
69.The research paper published is primarily concerned with
A.the way of preventing employee turnover
B.methods of improving employee performance
C.factors affecting employee turnover and performance
D.pay structures based on employee performance
70.As is mentioned in the card, the limitation of the research paper mainly lies in that .
A.the data analysis is hardly reliable
B.the research sample is not wide enough
C.the findings are of no practical value
D.the research method is out-of-date
71.Who might be most interested in this piece of information?
A.Job hunters.
B.Employees in blue-chip companies.
C.Mid-level managers.
D.Researchers on employee turnover.
(C)
The 2012 London Olympics had enough problems to worry about.But one more has just been added - a communications blackout caused by solar storms.
After a period of calm within the Sun, scientists have detected the signs of a flesh cycle of sunspots that could peak in 2012, just in time for the arrival of the Olympic torch in London.
Now scientists believe that this peak could result in vast solar explosions that could throw billions of tons of charged matter towards the Earth, causing strong solar storms that could jam the telecommunications satellites and interact links sending five Olympic broadcast from London.
"The Sun's activity has a strong influence on the Earth.The Olympics could be in the

