单项选择题

The reason for the high death rate of oral cancer is _________.

A．lack of confidence and cooperation with the doctor
B．lack of an early diagnosis
C．not treated at an advanced stage
D．doing nothing at all
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单项选择题
According to the passage, the lesion Balanoff found was _________.
A．usually caused by excessive smoking
B．an obvious case of cancer sores
C．a cancer lump
D．leading Zember to death
单项选择题
We can sense throughout the passage that _________.
A．HP will go bankrupt soon
B．kip has never been better
C．Compaq merger is the biggest merger ever
D．HP's new CEO is undecided
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