【单选题】在图样上标注被测要素的形位公差,若几何公差值前面加“Φ ”,则几何公差带的形状为( )。
【判断题】四舍五入得到的近似数中各数是否均为有效数字?
【单选题】在图样上标注被测要素的几何公差,若几何公差值前面加“ φ ”,则几何公差带的形状为( )。
【单选题】在图样上标注被测要素的几何公差,若几何公差值前面加“ Ø ” ,则几何公差带的形状为( )。
【单选题】在图样上标注被测要素的几何公差,若几何公差值前面加“φ”,则几何公差带的形状为( )。
【单选题】在图样上标注被测要素的几何公差,若几何公差值前面加“φ ”,则几何公差带的形状为( )。
【单选题】肯德基在开始进入中国时,主要是在大城市开店,而没有选择一下子在二三线 城市,这主要是基于( )考虑。
【单选题】Which of the following sentence is not from Austen’s works?
A.
It is a truth universally acknowledged, that a single man in possession of a good fortune must be in want of a wife.
B.
Friendship is certainly the finest balm for the pangs of disapponted love.
C.
For what do we live, but to make sport for our neighbours, and laugh at them in our turn?
D.
Do you think, because I am poor, obscure, plain, and little, I am soulless and heartless?