小麦根系有两种形态,分别称为()和(),其中前者于主茎第一片直叶抽出时停止发生。
参考答案:种子根、次生根
—Why so early? The movie doesn't start till seven.
—I don't want to be at the traffic there.It's terrible during the rush hour.
A.have you left
B.do you leave
C.would you leave
D.are you leaving
Access的“切换面板”属于的对象是()。
A.表
B.查询
C.窗体
D.页