原文∶ PP（聚丙烯）原本是一种极其顽固的原料，要将它变成纤维本是一件不大可能的事情。译文∶PP is originally s

原文∶ PP（聚丙烯）原本是一种极其顽固的原料，要将它变成纤维本是一件不大可能的事情。
译文∶PP is originally such stable a raw material that it is almost unlikely to tum it into fibers.
【正确答案】：PP is originally such a stable raw material that it is almost unlikely to turn it into fibers.（考点∶词序调整）