The visitors here are greatly impressed by the fact that （）people from all walks of life are working hard for （）new Jiangsu．

单项选择题The writer of the text has a （）attitude towards dangerous sports.

A．positive(肯定的)
B．negative(否定的)
C．neutral(中立的)
D．nervous(紧张的)

单项选择题People probably take part in dangerous sports nowadays because（）.

A．they have a lot of free time
B．they can go to hospital if they are injured
C．their life is short of excitement
D．they no longer need to hunt for food