The phase 'cover-your-backside'(Lines 3-4, Para.2)most probably means
A．to let your friends protect you from potential risks.
B．to protect your own back from other people's attack.
C．to make your back comfortable by wearing more clothes.
D．to do something to protect yourself from blame in the future.

未分类题Individual performance pay works whenA．one's job has no relations with what anyone else does.B．one person wants to maximize his bonus.C．a very limited set of conditions are created.D．unwanted side effects are created in other situations.

未分类题'Doughnut shops' mentioned in the second paragraph is toA．confirm that Japan has the best longevity rates in the world.B．show that tofu is popular.C．illustrate that eating habit has been transformed.D．show that people are crazy about doughnut.

未分类题After the birth of the college rankings,A．most of the people believed it would become important in the future.B．it became one of the subjects in academic fields.C．only a few countries imitated the college rankings.D．less than 21 countries imitated the college ranking, including Canada and Italy.

未分类题What is the passage mainly written for?A．To teach how to swim upstream.B．To discourage people from investing.C．To encourage people to invest more in banks and retailers.D．To call on people to increase their holdings.

未分类题The biggest shift of the ranking formula is the move toward evaluating collegesA．more by using statistical data as part of the ranking methodology.B．less by using the online version in the ranking as a pioneering step.C．more by the success the school has in getting the students better graduated.D．less by the diligence of the students the school attract.