根据短文内容，判断正“T”误“F”。

     Frank, Colin and Kate are my good friends. I know what they like. Frank likes bananas very much.

He doesn't like oranges. Colin likes eggs very much. He doesn't like broccoli. What does Kate like?

She likes strawberries, but she doesn't like bananas. Does she like oranges? Sorry, I don't know.

( )1. Frank and Colin are brothers.           

( )2. I don't know Kate.                      

( )3. Frank likes bananas.                    

( )4. Colin likes tomatoes.                   

( )5. Does Kate like bananas?  No, she doesn't.

已知心电图记录仪的出纸速度（纸带移动的速度）是2.5cm/s，如图所示是仪器记录下来的某人的心电图，图中每个小方格的边长为0.5cm，由此可知

A．此人的心率约为75次/分

B．此人的心率约为125次/分

C．此人心脏每跳动一次所需时间约为0.75s

D．此人心脏每跳动一次所需时间约为0.60s