听力原文:W: Could you show me how to use this, John?
M: It is fully automatic. All you have to do is to focus on the scene and press the button here.
Q: What are they talking about?
(19)
A.How to use a camera.
B.How to use a washer.
C.How to use a keyboard.
D.How to use a tape recorder.
为了保护您的账号安全,请在“上学吧”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!