题干
–It's hard work to achieve a balance between schoolwork and hobbies. –So it is, but we have to.
A：a
B：an
C：the
D：不填
答案(点此获取答案解析）
D
–It's hard work to achieve a balance between schoolwork and hobbies. –So it is, but we have to.
A：a
B：an
C：the
D：不填
高三理科实验班有5名同学报名参加甲、乙、丙三所高校的自主招生考试，每人限报一所高校．若这三所高校中每个学校都至少有1名同学报考，那么这5名同学不同的报考方法种数共有