The study actually proved for the first time the benefit of stem cell therapy（）
A: Right
B: Wrong
C: Not mentioned
A: Right
B: Wrong
C: Not mentioned
举一反三
- The experiment proved to be satisfactory．（） A: Right B: Wrong C: Not mentioned
- The first detailed study of the human gene map claimed that humans have about thirty thousand genes.（） A: Right B: Wrong C: Not Mentioned
- The first modern credit card extended the repayment time.（） A: Right B: Wrong C: Not Mentioned
- His first job was as a doctor at a mental health center in Virgini（） A: Right B: Wrong C: Not Mentioned
- Vital signs can be taken at any time and any place. A: right B: wrong C: not mentioned