第30题: [单项选择]The article following this passage would probably be______. A. articles about how to obtain firsthand experience B. advertisements of different schools C. articles about important decisions D. introductions to summer school courses 参考答案:D 答案解析:从最后一段的第一句可以看出本段后面的文章将帮助你选择暑期学习的课程等,故 D)符合此意。