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下列哪个选项能够替换句子中的划线部分?In this work, our objective was to improve the carbon fiber performance significantly by utilizing very high molecular weight polymer so that high quality precursors can be produced.

A.producing high quality precursors

B.to produce high quality precursors

C.so that produce high quality precursors

D.produced high quality precursors


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更多 “下列哪个选项能够替换句子中的划线部分?In this work, our objective was to improve the carbon fiber performance significantly by utilizing very high molecular weight polymer so that high quality precursors can be produced.A.producing high quality precursorsB.to produce high quality precursorsC.so that produce high quality precursorsD.produced high quality precursors” 相关考题
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