Access 2003“数据库向导”对话框的第一步是选择屏幕的显示样式。
参考答案：错
Under the tree, ______ a black bike. [ ]
A. has
B. have
C. there is
D. there has
预防幼儿急疹的方法是
A．接种疫苗B．肌注胎盘球蛋白C．肌注丙种球蛋白D．肌注利巴韦林E．以上都不是
