5 . The person dies. There are no cure for AIDS, so learning about the disease and how to avoid it are our only weapons.
A Yet it may be the most dangerous enemy in human history
B Whatever condition develops because of AIDS, the outcome is always the same
C It gets inside these cells into mini factors or making more virus
D Each of the letters in AIDS stands for a word:Acquired Immune Deficiency Syndrome
E The patients who suffer from AIDS have characteristic features
F Most attacks are detected and beaten off with ease
参考答案:
1 A 2 D 3 F 4 C 5 B