2004年职称英语考试理工类B级试题及答案(14)

of cancer than

A．people in other countries．B．white Americans．

C．all other Americans．D．their ancestors．32．Which may NOT be a reason for higher cancer death rates among US blacks? A．Unequal access to medical Care．B．Greater probability of having other diseases．C．Differences in the biology of the cancer． D．Early diagnosis．33．Cancer is more treatable if it is．detected

A．in an early stage．B．in a late stage．C．a110fa sudden．D．together with other diseases．

34．Public policy and education efforts may help to do away with

A．death rates． B．various cancers．C．unfair social differences．D．biological differences．

35．Since 1992，cancer death rates among black Americans