问题详情

根据对话，选择正确答案。

( ) 1. A. In 2056.
( ) 2. A. 60.
( ) 3. A. By cars.
( ) 4. A. People.
( ) 5. A. People.

B. In 2064.
B. More than 60.
B. By bikes.
B. Computers.
B. Nobody.

C. In 2046.
C. Less than 60.
C. By planes.
C. Robots.
C. Robots.

D. In 2065.
D. 16.
D. By flying cars.
D. Computers and robots.
D. I don"t know.