[填空题]Some companies use more advanced software to identify employees who______company policies by using e-mail for personal reasons.

[填空题]Some companies use more advanced software to identify employees who______company policies by using e-mail for personal reasons.

[填空题]Some shoppers use catalogs instead of going to the mall to make their purchases.

[填空题]Some states use the estate tax in addition to inheritance test and some use gifts tax.

[单项选择]Some countries are more populous; some have more crime. But in no other country are crime fighters quite so knowledgeable about citizens as in Britain. On January 4th a boastful Home Office detailed the triumphs of the world’s biggest forensic DNA database, which holds samples from more than 5% of the entire population of England and Wales. Recent changes to the rules governing the database mean that it may eventually hold profiles from more than a fifth of all adults.
Once a country starts storing DNA samples from criminals it is hard to resist the urge to expand the collection. When the National DNA Database (NDNAD) was set up in 1995, samples could only be taken from those charged with "recordable" offences. If a suspect was not tried, or was freed, the sample had to be destroyed and the profile removed from the database.
That law was abandoned in 2001 , after two men who had been convicted of murder and rape had their cases overturned on appeal -the DNA evidence against t
A. proved that the former rule of NDNAD should be abolished.
B. led to the destroy of 200,000 samples in NDNAD.
C. resulted in the two men being confined in prison.
D. showed the importance of the DNA evidence.