使用最广泛的课堂观察方法是()
A.目视法
B.扫视法
C.巡视法
D.提问法
参考答案:A
I would rather _____ at home than _____ to the party.
A.staying, going
B.to stay, to go
C.stay, go
D.stay, to go
CRH1A型动车组辅助压缩机的供风量为()L/min。
A.50
B.60
C.70
D.80