单选题：What does the author say Kodak's history has become?

题目内容：

What does the author say Kodak's history has become? A．A burden.
B．A mirror.
C．A joke.
D．A challenge.

参考答案：

答案解析：

Why does the author mention Kodak's Invention of the first d

Why does the author mention Kodak's Invention of the first digital camera?A．To s

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America has a social environment that is particularly favorable to innovation.

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Questionsarebasedonthepassageyouhavejustheard．根据录音，选择合适的答案（　　）。 A．Therearemys

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