物体在一条平直公路上运动,已知该物体在第1s内运动了2m,第2s内运动了4m,,第3s内运动了6m,第4s内运动了8m,以此类推,则物体在整个过程中（ ）
A．先做匀速直线运动,后做变速直线运动；
B．先做变速直线运动,后做匀速直线运动；
C．一定做变速直线运动；
D．一定做匀速直线运动
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A、微笑礼
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C、注目礼
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It is interesting to observe the way in which children so often react against their parents’ ideas, while at the same time 36 their parent’s characteristics. This is to say, the children grow up to have different 37 from their parents, yet to have 38 personalities. There is a 39 going on in the toy world at present over 40 children should be encouraged to have war toys. I do not see any 41 in forbidding them when I think of the 42 of my friend Henry. Henry is the son of strict parents who were against war. He was never 43 toy soldiers or guns as a 44. Henry 45 and went into the army, becoming a first-class soldier and 46 all sorts of honors in the army. In that way he became the 47 of what his parents might have 48 of their son. And yet there is a gentleness about Henry which shows a 49 personality. His sympathies(同情) which I can see must have come from his 50. 51 doing things differently from our parents, a lot of the 52 gets passed on. Parents have to 53 their children what they believe to be right; but it is not much your ideas that the children 54 your example. Perhaps the best way to teach one’s child gentleness is not to forbid toy guns, but to be 55 in one’s own everyday life.
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近代有竹枝词写道：“举头铁索路行空，电气能收夺化工。从此不愁鱼雁少，音书万里一时通。”此诗赞扬的是
A．铁路运输业
B．水运业
C．航空业
D．电报电信业
沃-弗（waterhouse-Friederichsen）综合征发生于（）
A.中毒性痢疾
B.爆发性流行性脑脊髓膜炎
C.流行性乙型脑炎
D.白喉
E.猩红热
服药一周后，腰腿疼痛稍减，而又见上肢疼痛，余症如前。此次服药，除仍用上药外，又当配用何药治疗（）
A.桑寄生
B.羌活
C.威灵仙
D.秦艽
E.防风