6、Many people believe that capital punishment deters crime.But although criminologists have conducted exhaustive research regarding the subject，little evidence exists to support the claim.
7、When it comes to the increasing use of motor vehicles in Beijing，some people think that use should be limited.Others argue that the opposite is true.There is probably some truth to both arguments，but emission controls must be instituted regardless of the number of vehicles.
8、The use of guanxi is a widespread method for conducting business，but is it a wise one?The method is now being challenged by more and more people.
9、These days we often hear about the widening gap between the rich and poor.Some argue the developed world has totally ignored the problem.But has it ?Close examination fails to bear out the argument.
10、When asked about the ongoing uproar involving U.S. President Bill Clinton，most people say the affair involves a purely private matter.But many other people regard his actions as deplorable.I personally think the president committed impeachable offences.