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条码扫描笔头装有发光元件的是()。

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MRPII的管理要素范围在()。

监察机构、监察专员对派驻或者派出它的___________负责。

听力原文： This book is designed for advanced learners of English as a second language who need to practice improving their reading speed and understanding where lessons are taught in English and where, perhaps, they must compete with students whose native language is English. It has been our experiment that even advanced learners of English are likely to be slow readers. Therefore, the emphasis of the book is on reading speed, not on vocabulary development.
This book is designed for advanced learners of English as a second language who need to【11】improving their reading speed and understanding where lessons are taught in English and where, perhaps, they must compete with students whose【12】is English. It has been our【13】hat even advanced learners of English are【14】to be slow readers.【15】, the emphasis of the book is on reading speed, not on vocabulary development.

ERP与MRPII的根本区别在于()。