【简答题】相邻控制点用直线连接,总体所构成的折线形式,称为____。
【单选题】Why must you never stand chopsticks upright in your rice?
A.
They resemble candles being burnt for lovers who've left.
B.
They resemble joss sticks used in rituals for the deceased.
C.
They resemble the male and female at war in families.
D.
They resemble knives pointed up towards heaven.
【单选题】在游览过程中领队的主要作用是组织协调,领队的站位应该始终是在 ( )。
【简答题】根据固定元件和旋转元件的结构不同,车轮制动器通常可分为( )和( )