75. Canadian Education / Education in Canada
76. Diversity / Variety / Types / Kinds
77. compulsory schooling duration / compulsory schooling years
78. the needed grades / the exact grades
79. the ways of
80. Phenomena / Facts / Current situation
81. likely attending
82. finishing their homework / doing their homework
83. going to college / attending college
84. the minimum standard
75.根据全文的内容可知标题应该为Canadian education
76.根据表格的提示Not one system but 13可是本段是讲多样性。
77. 根据Nobody agrees on the grade at which one makes the transition from elementary to secondary school, nor on how many years’ schooling is compulsory, nor how many grades there should be before college or university可得答案。
78 同上
79.同上
80.根据表格内各个部分总结可知，本段主要是Phenomena
81.倒数第二段可得答案
82．倒数第二段可得答案
83.最后一段可知答案
84．最后一段信息。