单项选择题They haven’t kept in touch()
A. for about 40 years B. for about 27 years C. since they got married D. since the writer’s family moved away
单项选择题The underling word it in Paragraph 6 refers to the father’s()
A. weak heart B. taking a shore job C. failure to return to sea D. injury caused by a torpedo
单项选择题34()
A.children B.programs C.graduates D.designs
问答题希望您在这儿过得愉快。
填空题发现教学又称启发式教学,主张让学生通过______而发现合作学习概念或原理。