单项选择题

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

A．Very few were produced.
B．Most were kept only a short time.
C．Most were pointed on delicate paper.
D．Many have been acquired by collectors.

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单项选择题

单项选择题

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