【简答题】如图,在平面直角坐标系中,△ ABC的三个顶点的坐标分别为A(0,1),B(-1,1),C(-1,3)。 (1)画出△ABC关于原点对称的△A 1 B 1 C 1 ,并写出点C 1 的坐标; (2)画出△ABC绕原点O顺时针方向旋转90°后得到的△A 2 B 2 C 2 ,并写出点C 2 的坐标;, (3)将△A 2 B 2 C 2 平移得到△ A 3 B 3 C 3 ,使点A 2 的对应点是A ...
【单选题】最小割集是指导致( )发生的最低限度的基本事件的集合。
【单选题】What is the professor’s point about the number of poems that Dickinson published while she was still alive?
A.
Dickinson thought her best poems were not published.
B.
She published very few poems while she was alive.
C.
Most of her pomes were published while she was alive
D.
Her poetry was more popular when she was alive than after her death.
【单选题】焊接过程中,产生烧穿的主要原因之一是( )。
【单选题】焊接过程中,产生烧穿的主要原因之一是( )。
【单选题】在程序开发时插入一小段程序,是为了测试模块,或者将来进行更改和程序升级,或者方便程序员排除可能发生的故障等,这一小段程序叫 。
【单选题】提出君子的人生态度应当是“食无求饱,居无求安,敏于事而慎于言,就有道而正焉”的人是( )
【单选题】焊接过程中,产生烧穿的主要原因之一是( )。
【简答题】What is the professor’spoint about the number of poems that Dickinson published while she was still alive?A. Dickinson thought her bestpoems were not published. B. She published very fewpoems while sh...
【单选题】The 1950s were the years when she wrote one ______after another, and when her first collection of ______was published.