ZYJ7型电液转辙机主机开口要求160+5MM副机缺口要求75+5MM。
参考答案:错
雾灵山景区位于北京市东北边缘,其垂直自然带的变化由山麓到山顶依次为[ ]
A.针叶林带——针阔叶混交林带——山地草甸带
B.落叶阔叶林带——山地草甸带——针阔叶混交林带——针叶林带
C.落叶阔叶林带——针阔叶混交林带——针叶林带——山地草甸带
D.常绿阔叶林带——山地草甸带——针阔叶混交林带——针叶林带
Passage Three
Which of the ibllowing is NOT suggested as a possible means to cope with the current situation,9
A.Create situations in which people work for themselves.
B.Treat employment as the norm.
C.Endeavor to revive the household and the neighborhood as centers of production.
D.Encourage people to work in circumstances other than normal working conditions.