小麦的水分临界期是（）
A.出苗-拔节
B.拔节-孕穗
C.孕穗-抽穗
D.抽穗-开花
参考答案：C
He didn't tell me ______ the exhibition was held. [ ]
A. where was it that
B. that it was where
C. where it was that
D. that was it where
配送合理化的方法有哪些？
