The teacher used selective response to engage students by asking questions that required them to choose the correct answer.
老师使用选择反应来吸引学生，通过提问需要学生选择正确答案的问题。
Students demonstrated selective response when they were asked to pick the most relevant source for their research project.
当被要求为他们的研究项目挑选最相关的资料来源时，学生们展示了选择反应。