根据课文内容，判断下列句子的正(T)误(F)。

( ) 1. Basketball was invented in 1861.

( ) 2. Dr Naismith created the basketball game which was played indoors at first.

(     ) 3. Dr Naismith divided all his classmates into two teams to play his new game.

(     ) 4. Dr Naismith used the backboard to help the players put the ball into the basket.

(     ) 5. Till now, there haven’t been any Chinese basketball players in NBA.