16 FDA has approved the plan of using HIV to cure cancer in humans.
A Right
B Wrong
C Not mentioned
17 The idea of using HIV for a beneficial purpose has been widely accepted.
A Right
B Wrong
C Not mentioned
18 HIV can be safely used to cure cancer only if the deadly genes have been removed.
A Right
B Wrong
C Not mentioned
19 The HIV virus is an excellent warrior to fight the body’s immune cells.
A Right
B Wrong
C Not mentioned
20 Other countries are also expected to begin clinical gene therapy trials soon.
A Right
B Wrong
C Not mentioned
21 It is the lack of money that has held up the progress in using replacement genes to cure cancer.
A Right
B Wrong
C Not mentioned
22 The HIV virus has caused more deaths in developed countries.
A Right
B Wrong
C Not mentioned
答案:16.B 17.B 18.A 19.A 20.C 21.B 22.C