A:15
B:-15
C:30
D:-30
Look! There are some birds _______ in the sky. They are very beautiful.
写出下面词语的近义词和反义词。
聚拢
近义词____ 反义词____
下列四幅山地垂直带谱图中,位于北半球温带的是( )
Come and ____ (buy) your shoes at good prices.