学生们需要课外活动(Studnts Nd xtracurricular Activitis)studnts nd nough sports and activitis to do physical xrciss and rlax, but in som schools thy ar not givn nough tim to do outsid activitis. it's harmful for studnts' growth. tachrs ask studnts to spnd most of thir tim on studis. but whn thy fl tird and bord, studnts can't concntrat on studis. thy ar in bad halth.it's ncssary to giv studnts nough tim to do outsid activitis. aftr good rlaxation and rst, studns will work hardr.pay attntion to studnts' halth and growth.