1 The 20 patients had stem cell injections instead of surgery.
A Right
B Wrong
C Not mentioned
2 The experiment proved to be satisfactory.
A Right
B Wrong
C Not mentioned
3 The control group patients regretted not having had stem cell injections.
A Right
B Wrong
C Not mentioned
4 The study actually proved for the first time the benefit of stem cell therapy.
A Right
B Wrong
C Not mentioned
5 The ejection fraction rate of the patients with stem cell injections decreased
A Right
B Wrong
C Not mentioned
6 Heart failure is more common in the UK than anywhere else in the world.
A Right
B Wrong
C Not mentioned
7 Stem cell therapy seems to have great prospects.
A Right
B Wrong
C Not mentioned
【参考答案】1. B 2. A 3. C 4. A 5. B 6. C 7. A