【单选题】When the expression first came into being, people refused to use it but _____ they began to accept it. [ ]
【单选题】在数控机床上加工零件,从分析零件图开始直到制作出穿孔带为止的全过程称为 。
【单选题】在数控机床上加工零件,从分析零件图开始,一直到制作出穿孔带为止的全过程称为( )。
【简答题】已知集合A={-2,0,1,3},在平面直角坐标系中,点M的坐标为(x,y),其中x∈A,y∈A。 (1)求点M不在x轴上的概率; (2)求点M正好落在区域内 的概率。
【简答题】When people communicate with each other, they not only use words but also turn to________
【单选题】When do people usually use the word “try”?
A.
When they think carefully about the things they commit themselves to.
B.
When they have a firm intention towards the commitment they make.
C.
When they want to use language to set themselves for success.
D.
When they don’t want to devote themselves to an action.
【单选题】我们要实现中华民族的伟大复兴,这里的"复兴"是指( )。
A.
恢复出崭新的时代内容,即在国内走发展生产力的社会主义,在国际上走和平发展的社会主义
【简答题】求点(-1,2,0)在平面x+2y-z+1=0上的投影.
【单选题】_____on the MSN, some people often use ‘88’ for ‘good-bye’.
【单选题】企业创业越来越流行,其中现实原因不包括( )。