任何一种文化，就像“橡树与石松、花朵与树叶，从盛开又到衰老”，“每一种文化都有它的自我表现的新的可能，从发生到成熟，再到衰老，永不复返”，这是（ ）对西方文化的反思。

I usually play soccer on Wednesdays, but yesterday I __...

未知题型I usually play soccer on Wednesdays, but yesterday I ____.

Complete the sentences. Use the same verb, but make it ...

未知题型Complete the sentences. Use the same verb, but make it negative. 1. I often walk to work, but yesterday I ____.

2.采区间沿走向的开采顺序有两种，前进式和后退式。（ ）

判断题2.采区间沿走向的开采顺序有两种，前进式和后退式。（ ）