单项选择题

You will hear one dialogue or monologue. Before listening, you will have 5 seconds to read each of the questions which accompany it. While listening, answer each question by choosing A, B, C, or D. You will hear ONLY ONCE.
What is the passage mainly about

A. New uses of TV sets.
B. New accessories for the home TV.
C. The manufacture of videodiscs.
D. The videodisc and its functions.

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单项选择题

单项选择题

You will hear one dialogue or monologue. Before listening, you will have 5 seconds to read each of the questions which accompany it. While listening, answer each question by choosing A, B, C, or D. You will hear ONLY ONCE. What is the passage mainly about 您的浏览器不支持 audio 元素。