问题
问答题 简答题
抗侧滚装置为什么能抗侧滚？
答案
参考答案：车体侧滚时，水平放置的两个扭杆对于扭杆分别有一个相反的力和力矩的作用，使弹性扭杆承受扭矩而产生扭转变形，骑着扭杆弹簧的作用，扭杆弹簧的反扭矩总是和车体发生侧滚角位移的方向相反，以约束车体的侧滚运动。
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抗侧滚装置为什么能抗侧滚？
参考答案：车体侧滚时，水平放置的两个扭杆对于扭杆分别有一个相反的力和力矩的作用，使弹性扭杆承受扭矩而产生扭转变形，骑着扭杆弹簧的作用，扭杆弹簧的反扭矩总是和车体发生侧滚角位移的方向相反，以约束车体的侧滚运动。
第二节完形填空（共20小题；每小题1.5分，满分30分） 阅读下面短文，从短文后各题所给的四个选项（A、B、C和D）中，选出可以填入空白处的最佳选项。 One afternoon, I went to pick up my mother from work. I got a little early so I 36 the car by the roadside, and 37 for her. As I looked 38 the car window to my right, I saw a little boy around two years old in a small park, 39 freely on the grass as his _40___ watched him from a short distance. The boy had a __41___ smile on his face. He would then fall to the grass, get up , and without__42___ or without looking back at his mother, run as fast as he could, again, still with a big smile on his face, as if __43___ had happened. With 44 especially at an early age, when they fall down, they don’t consider their falling down as a failure, __45___ instead, they treat it as a learning experience. They try and try again _46____ they succeed. The answer must be that they have not connected “falling down” with the word “__47__” yet. Thus they don’t know __48__ to feel the state which accompanies failure. They probably think that it is perfectly okey to fall down, and that it’s not _49___ to do so. In other words, they give themselves permission (许可) to _50___ mistakes subconsciously（潜意识地）. Thus they always remain encouraged. I was _51___ by the boy’s persistence(坚持) and the manner in which he ran. With each _52___, he looked so confident. No _53__ of fear, or of being discouraged ----- as if he didn’t _54___ the world around him. His only aim was to run _55___ and to do it as effectively as he could. I learned a lot from that observation and experience. 36．A．packed B．parked C．refueled D．cleaned 37．A．called B．looked C．waited D．searched 38．A．inside B．outside C．around D．for 39．A．walking B．running C．jumping D．playing 40．A．teacher B．friend C．father D．mother 41．A．sad B．little C．big D．weak 42．A．doubt B．hesitation C．mercy D．effect 43．A．nothing B．something C．everything D．anything 44．A．kids B．girls C．adults D．parents 45．A．and B．if C．but D．so 46．A． unless B．after C．until D．before
49．A．good B．interesting C．right D．wrong 50．A．avoid B．correct C．make D．admit 51．A．bothered B．touched C．confused D．frightened 52．A．cry B．success C．try D．smile 53．A．scenes B．marks C．signals D．signs 54．A．care about B．ignore C．adjust to D．expect 55．A．safely B．unsteadily C．regularly D．freely |