题目

Jackson Language School Summer Opening and Closing Times The Jackson Language School is open each day except Sunday. There is an English Comer also available from 6:00pm—9:00pm at the Bellevue Hall across from the school. Class Size Classes have a minimum of 10 and a maximum of 16 in one class. Classes are equipped with earphones and an electronically controlled listening. Teachers Teachers are all experienced and have a minimum of 2 years experience and at least a certificate in teaching English as a Second Language. They are all available for tutoring if you need it. Location The scho以下列各组数据中是勾股数的是A.1，1，B.12，16，20C.1，D.1，2，