单项选择题

Passage One
Questions 26 to 28 are based on the passage you have just heard.

A．The ’alphabet.
B．A conflict.
C．Numbers.
D．A concept.

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Cable TVs have good pictures but users need to pay to watch the programs.

Passage OneQuestions 26 to 28 are based on the passage you have just heard. 您的浏览器不支持 audio 元素。