选出与例句中加点词用法相同的一项 例：不耻相师

This is a junior school.You should go to a senior school _____girls of your age

Watching TV is_______a kind of relaxation , and it also___________our knowledge.

_________ did you work out the problem in such a short time—With Mr. Li’s help.

Studies show that people are more_______to suffer from back problems if they always sit before computer screens for long hours.