Hard work is no of an excellent school record．You have to adopt a flexible approach to your learning．
A. guarantee
B. connection
C. permission
D. consequence
网友回答
(答案→)A. guarantee
B. connection
C. permission
D. consequence
解析：名词辨析。A保证;商品保证;B联系，连接；C允许；D结果；句意：努力学习并不能保证你得到优秀的分数，你还要采纳一种灵活的学习方法。