2008年塑料制品产量占初级形态塑料产量的比例为(  )。

2008年塑料制品产量占初级形态塑料产量的比例为(  )。A.50.1% B.53.7% C.58.2% D.60.8%

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__________ is particularly harmful to photographic materials

__________ is particularly harmful to photographic materials.

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阅读以下文章,回答题People with social anxiety disorder are known for

阅读以下文章,回答题People with social anxiety disorder are known for their fear ofA.being

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If discovered early, breast cancer may__________.

If discovered early, breast cancer may__________.

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请在第(64)处填上最佳答案。

请在第(64)处填上最佳答案。A.until B.if C.though D.since

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