Thank you me.[ ]
A. for help
B. for helping
C. at helping
D. help
答案：B
漂白与聚酯短纤混纺3/4线或双面
春季角结膜炎的典型体征为
A．大小一致的粗大 * *
B．扁平的粗大 * *
C．下睑结膜粗大 * *
D．粗大 * * 伴有黄褐色或污红色胶样增厚
