与赫尔巴特的教育思想针锋相对,主张“学生中心、生活中心、活动中心”的“三中心”思想的人是()。
A. 杜威
B. 康德
C. 洛克
D. 裴斯泰洛齐
_______ the chance to show his ability, he regained ______ and began to succeed in school.
A. Giving, balance
B. Giving, popularity
C. Given, confidence
D. Given, competence
It is so difficult to ______ the bottom of the ocean because some parts are very deep.
A. employ
B. explore
C. preserve
D. exploit
It was about 30 seconds before Alex ______ from the water; we were quite scared.
A. submerge
B. emerge
C. dissolve
D. fade