A.David Brownstein makes no progress in preventing cancer |
B.cancer is the leading cause of death for Americans |
C.David Brownstein himself is suffering from cancer |
D.cancer victims are increasing in North America |
A.Cancer death rates are dropping. |
B.Cancer industry is very profitable. |
C.Traditional cancer treatments are effective. |
D.Cancer medicine was invented 80 years ago. |
A.David Brownstein’s video is unpopular. |
B.It needs another 80 years to cure cancer. |
C.People don’t know cancer death rates. |
D.People’s inability to defeat cancer. |
A.To recommend a video. |
B.To introduce some doctors. |
C.To teach us how to make a video. |
D.To give us some tips on dealing with cancer. |