Look, read and write. 看例词，给下列单词归类。   

1. sweater                         ______ ______  skirt,  shoes,  yellow,  purple, 

2. red                                   __ ______       socks, shorts,  cloudy,  snowy,        

3. windy                                     _____        blue,  pink,  seven.   sunny, 

4. two                                        _____        warm.  three,   five,    six        

地震水平迭加能使（）

A.反射波能量增强

B.多次波能量增强

C.干扰波能量增强

D.面波能量增强