梢料反滤层所铺各层梢料都应粗枝朝上，（）朝下，从下往上铺，在枝梢接头处，亦应多搭接一些。
参考答案：梢
Evidence has been found through years of study______ children's early sleeping problem likely to
continue when they grow up. [ ]
A. why
B. how
C. whether
D. that
无袖连衣裙的袖窿不宜过（）。
A.大
B.小
C.短
D.长
