单项选择题

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.
<上一题 目录 下一题>
热门 试题

单项选择题
Since 1992, cancer death rates among black Americans
A．have been going up and down.
B．have remained stable.
C．have increased,
D．have fallen.
单项选择题
Cancer is more treatable if it is detected
A．in an early stage.
B．in a late stage.
C．all of a sudden.
D．together with other diseases.
相关试题