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【单选题】
What is the authors purpose of writing this passage?A.
To define what Alzheimer's disease is.
B.
To tell people how to avoid Alzheimer's disease.
C.
To provide information related to a book on dementia.
D.
To persuade people to buy medicine for dementia.
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举一反三
【单选题】Johann Strauss, as a composer, was more successful and popular than his father.
A.
very
B.
so
C.
even
D.
too
【简答题】简述双子叶植物叶的结构。
【简答题】Johann Gutenberg, who worked as a goldsmith (金匠), took what had already been discovered, and created a small invention that changed history. He created a machine that allowed him to move small blocks ...
【简答题】Johann Gutenberg, who worked as a goldsmith(金匠)，took what has already been discovered, and created a small invention that changed history. He created a machine that allowed him to move small blocks of...
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