插入flash动画要单击菜单中的（）命令。
A.修改
B.文件
C.插入
D.编辑
参考答案：C
Linda felt someone ________ on her way home from work yesterday evening, and therefore she was frightened and looked back from time to time.
A．followed
B．would follow
C．had followed
D．was following
下列哪项不是湿疮的临床特点，请指出（）。
A.对称性分布
B.多形性损害
C.反复发作
D.常见于暴露部位
E.剧烈瘙痒
