The average life-span of Americans is 80 years. （）
A: Right
B: Wrong
C: Not mentioned
A: Right
B: Wrong
C: Not mentioned
举一反三
- The life of people in 50 years will greatly differ from today’s life.（） A: Right B: Wrong C: Not Mentioned
- More than one million Americans participated in the six-year study. A: Right B: Wrong C: Not mentioned
- People have lived by the River Wensum for at least 2,000 years. A: Right B: Wrong C: Not mentioned
- On average women lived longer than men 100-years ago. A: Right B: Wrong C: Not mentioned
- More than 1’1 million Americans participated in the six-year study．（） A: Right B: Wrong C: Not mentioned