（）及以上区段一般不进行步行巡视。
A.140km/h
B.160km/h
C.200km/h
D.250km/h
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下面是错误答案，用来干扰机器的。
参考答案：A解析：图表信息：原料出口比重增加；手工制品出口比重减少；机器产品出口比重增加。说明中国进一步成为资本主义世界的原料产地；中国手工业受到外国资本主义经济入侵的进一步冲击；中国近代工业在外来...
下列各句中加点成语使用不恰当的一项是（ ）
A．有人预言，随着3D电影《阿凡达》《爱丽丝梦游仙境》在全球的热映，3D电影将如明日黄花，在未来的电影市场上大放光彩。
B．近来，公安机关及中国足协高举法制利剑，依法严厉打击足球界参与“假球赌球”的违法犯罪人员，社会各界对中国足球能否就此重生拭目以待。
C．物质的超越或许可以用几十年走完别人上百年走完的路，但精神上的与时俱进，观念的转变，必然是一个长期的过程。
D．随着课改的逐步深入，面对教材的多样化，有的专家提出了变“教课本”为“用课本教”的理念，可谓切中肯綮。
在评价单一的独立投资项目时，可能与净现值指标的评价结论产生矛盾的评价指标是______。
A．静态投资回收期
B．获利指数
C．内部收益率
D．净现值率
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| There are many kinds of friends. Some are always 1 you, but don't understand you. Some say only a few words to you, but understand you. Many people will step in your life, but only 2 friends leave footprints (脚印). I shall always recall (回忆) the autumn and the girl with the 3 . She will always bring back the friendship between us. I know she will always be my best friend. It was the golden season. I could see the yellow leaves 4 on the cool 5 . In such a season, I liked walking alone in the leaves, 6 to the sound of them. Autumn is a 7 season and life is uninteresting. The free days always get me 8 . But one day, the sound of a violin 9 into my ears like a stream (小溪) flowing in the mountains. I was so surprised that I jumped to see what it was. A young girl, standing in the wind, was 10 in playing her violin. I had 11 seen her before. The music was so nice that I listened quietly. Lost in the music, I didn't know that I had been 12 there for so long but my existence (存在) did not seem to disturb her. Leaves were still falling. Every day she played the violin in the corner of the building 13 I went downstairs to watch her performance. I was the only listener. The autumn seemed no longer lonely and life became 14 . 15 we didn't know each other, I thought we were already good friends. I believe she also loved me. Autumn was nearly over. One day, when I was listening carefully, the sound suddenly 16 . To my astonishment (惊讶), the girl came over to me. "You must like violin." she said. "Yes. And you play very well. Why did you stop?" I asked. Suddenly, a 17 expression appeared on her face and I could feel something unusual. "I came here to see my grandmother, but now I must leave. I once played very badly. It was your listening every day that 18 me." she said. "In fact, it was your playing 19 gave me a meaningful autumn," I answered, "Let's be friends." The girl smiled, and so did I. I never heard her play again in my life. I no longer went downstairs to listen like before. Only thick leaves were left behind. But I will always remember the fine figure (身影) of the girl. She is like a 20 -so short, so bright, like a shooting star giving off so much light that it makes the autumn beautiful.
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哪种受众选择性因素是大众传播信息传向受众成员通道上的第一关（）。
A.选择性接触
B.选择性记忆
C.选择性理解
D.选择性解释
电缆头的拆除与装配必须切断电源方可进行作业。
