典型第一型冷锋过境时,依序可见到的云系是()。
A.Ci→Cs→As→Ns
B.Cb→Ns→As→Cu
C.As→Ns→Cb→Fn
D.Ns→As→Cs→Ci
参考答案:D
We ____ there when it ____ to rain. [ ]
A. were getting-would begin
B. were about to get-began
C. had got-had begun
D. would get-began
下列不属于认知策略中视觉策略的是()
A.对比策略
B.境联策略
C.转换策略
D.镶嵌策略