选择题：2. What should parents do in order to help their c

题目内容：
2. What should parents do in order to help their children succeed?
A) They should push the children into achieving a lot.
B) They should understand and help their children in different times.
C) They should try to have their own successful careers.
D) They should arrange private lessons for their children.
参考答案：

一圆轴承受轴向拉伸及扭转的联合作用,拉力F=100kN,力矩m=10kN.m，若轴的直径D=100m

一圆轴承受轴向拉伸及扭转的联合作用,拉力F=100kN,力矩m=10kN.m，若轴的直径D=100mm,弹性模量E=200GPa,泊松比m=0.3。则圆轴外表面

分类：西安石油大学-大学英语2  题型：选择题
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下列路基支挡结构型式，需考虑第二破裂面情况的有（ ）A、 俯斜式重力挡土墙B、 墙背竖直重力式挡土

下列路基支挡结构型式，需考虑第二破裂面情况的有（ ）A、 俯斜式重力挡土墙B、 墙背竖直重力式挡土墙C、 仰斜式重力挡土墙D、 衡重式挡土墙

分类：西安石油大学-大学英语2  题型：选择题
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