连续式轧机的轧制节奏()从一根钢开始轧制到轧制完毕所需要的总时间。
参考答案:小于
---- Are they coming to help us?
---- _______.
A.I do so
B.I do hope
C.I hope they do
D.I hope so
Oh, my god. We have ________ food left. What should we do? [ ]
A. a few
B. a little
C. few
D. little