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1·In audiovisual AIDS, a device that allows a student to respond to the teaching material, e. g. answer a multiple choice question.

在视听辅助教学中使用的一种允许学生答复教材问题(如回答几种选择性问题)的设备。

2·Compiles English training materials according to the needs of hotel associates, including audiovisual and other teaching AIDS.

根据酒店员工的需要收集编写英文培训资料，包括视听材料和其他教学辅助物。