题目

有投入—产出联系的工厂是(    ) ①钢铁厂  ②棉纺厂  ③原油生产  ④食盐生产  ⑤造船厂  ⑥制碱厂  ⑦印染厂 ⑧聚氯乙烯 A.①②,③④,⑤⑥,⑦⑧                   B.①⑤,④⑥,②⑦,⑧③ C.①⑤,③④,②⑥,⑦⑧                   D.①⑤,④⑧,②⑦,⑥③   答案：B  有投入—产出联系的工厂是：钢铁厂和造船厂，食盐生产和制碱厂，棉纺厂和印染厂，原油生产和聚氯乙烯生产。  I don’t think that your speech _____to the crowd, for they appeared quite puzzled.A．got backB．got awayC．got throughD．got across