每条钢轨的垂直中心线向线路内侧倾斜成()的坡度。
A.1:15
B.1:20
C.1:30
D.1:40
参考答案:B
Students are ____for new knowledge to suit themselves to the future jobs in various fields_______ which they are unfamiliar.
A.hoping; to
B.anxious; with
C.eager; with
D.proud; to
下列关于员工满意与客户满意的认识,正确的一项是()
A.两者没有关系
B.只有满意的员工才能创造出满意的客户
C.正相关关系
D.只有满意的客户才能创造出满意的员工