On the first day of school．Socrates（苏格拉底） told his students．"Today，we'll only learn one thing，that is to stretch（前伸）for your arms，then try to swings（甩动） them backward．"He showed them and as a result all the students laughed"Sir，is it also learned"one of the students laughed．

"Of course! You think this is a simple thing，but it is difficult．" Socrates replied seriously．Hearing this，the students laughed even harder．

Without being a little angry．Socrates said．"In this class I'll teach you how to learn this action well．After that，start today，and you will do it 100 times a day．"

10 days later．Socrates asked，"Who still stick to swing his arms？"About 80% of the students raised their hands.20 days later．Socrates asked．"Who still insists（坚持）on swings his arms？"About 50% of them raised their hands 3 months later，Socrates asked again，"Who still insist on that most simple action of swinging？"This time．only one student raised his hand．Hr was Plato （柏拉图）．

Perseverance is the simplest yet most difficult thing in the world，because everyone can do it，but not everyone will do．Only the one who can hold on a simple thing may make it．

64．What did all the students think of Socrates asked them to do．　　

A．It's very interesting．

B．It's too simple．

C．It's so exciting．

D．it's very difficult．

65．How often did Socrates asked his students to do the action of swinging．　　

A.100 times 10 days．

B.100 times 3 months．

C.100 times 20 days．

D.100 times a day．

66．Why did score is asked his students to do the simplest action．　　

A．To keep his student healthy．

B．To learn the skills of the action．

C．To develop the perseverance．

D．To take up a new hobby．

67．According to the passage，which is the best title？　　

A．Can you hold on？

B．Can you be a good listener？

C．Can you think more．

D．Can you be a clever student？