白炽灯用久后灯丝变细．灯丝变细是_____现象（填物态变化名称）；灯丝变细，电阻变_____ ．
升华；大
It was raining heavily. Little Mary felt cold, so she stood ___to her mother.
A．close
B．closely
C．closed
D．closing
大戟的功效是（）
A.泻水逐饮、消肿散结
B.泻水逐饮、祛痰止咳
C.泻水逐饮、去积杀虫
D.泻水逐饮、祛痰利咽
E.泻水逐饮、杀虫蚀疮
