黄瓜　表皮疣刺隆起 ,坚硬刺手的为新鲜黄瓜。莴苣　以分量重、光泽好、嫩叶多的为上等。扁豆类　豆荚嫩绿、色泽鲜艳、筋少、肉厚、豆荚挺直 ,水分饱满的为好。白菜　叶柄肥厚 ,叶端卷缩而互相结成球朵 ,分量沉重 ,无虫眼和黑斑。要是叶片顶端彼此分离而向外翻卷 ,则心处可能 Cucumber epidermal wart thorn, hard thorn of fresh cucumber. Lettuce to heavy weight, good gloss, tender leaves and more for the finest. Lentils green beans, bright color, less tendons, thick meat, pods upright, full of water as well. Cabbage petiole hypertrophy, leaf tip curl each other into a ball, heavy weight, no eye and black spots. If the top of the leaves separated from each other and rolled out, then the heart may be