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An important factor of leadership is attraction. This does not mean attractiveness if the ordinary sense, for that is a born quality (64) our control. The leader has, nevertheless, to be a magnet; a central figure towards whom people are (65) . Magnetism in that sense depends, first of all, (66) being seen. There is a type of authority which can be (67) from behind dosed doors, but that is not leadership. (68) there is movement and action, the true leader is in the forefront and may seem, indeed, to be everywhere at once. He has to become a legend; the (69) for anecdotes (轶事), whether true or (70) ; a character. One of the simplest devices is to be absent (71) the occasion when the leader might be (72) to be there, enough in itself to start a rumor about the vital business (73) has detained (留住) him. To (74) up for this, he can appear when least expected, giving rise to another story about the interest he can display (75) things which other folks might (76) as trivial. With this gift for (77) curiosity the leader always combines a reluctance (勉强) to talk about himself. His interest is (78) in other people; he questions them and encourages them to talk and then remembers all (79) is relevant. He never leaves a party (80) he has mentally filed a minimum dossier (档案) on (81) present, ensuring that he knows (82) to say when he meets them again. He is not artificially extrovert but he would usually rather listen (83) talk. Others realize gradually that his importance needs no proof.

A) when B) which
B. C) what D) where

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An important factor of leadership is attraction. This does not mean attractiveness if the ordinary sense, for that is a born quality (64) our control. The leader has, nevertheless, to be a magnet; a central figure towards whom people are (65) . Magnetism in that sense depends, first of all, (66) being seen. There is a type of authority which can be (67) from behind dosed doors, but that is not leadership. (68) there is movement and action, the true leader is in the forefront and may seem, indeed, to be everywhere at once. He has to become a legend; the (69) for anecdotes (轶事), whether true or (70) ; a character. One of the simplest devices is to be absent (71) the occasion when the leader might be (72) to be there, enough in itself to start a rumor about the vital business (73) has detained (留住) him. To (74) up for this, he can appear when least expected, giving rise to another story about the interest he can display (75) things which other folks might (76) as trivial. With this gift for (77) curiosity the leader always combines a reluctance (勉强) to talk about himself. His interest is (78) in other people; he questions them and encourages them to talk and then remembers all (79) is relevant. He never leaves a party (80) he has mentally filed a minimum dossier (档案) on (81) present, ensuring that he knows (82) to say when he meets them again. He is not artificially extrovert but he would usually rather listen (83) talk. Others realize gradually that his importance needs no proof.

A) expected B) expelled
B. C) suspected D) refused

An important factor of leadership is attraction. This does not mean attractiveness if the ordinary sense, for that is a born quality (64) our control. The leader has, nevertheless, to be a magnet; a central figure towards whom people are (65) . Magnetism in that sense depends, first of all, (66) being seen. There is a type of authority which can be (67) from behind dosed doors, but that is not leadership. (68) there is movement and action, the true leader is in the forefront and may seem, indeed, to be everywhere at once. He has to become a legend; the (69) for anecdotes (轶事), whether true or (70) ; a character. One of the simplest devices is to be absent (71) the occasion when the leader might be (72) to be there, enough in itself to start a rumor about the vital business (73) has detained (留住) him. To (74) up for this, he can appear when least expected, giving rise to another story about the interest he can display (75) things which other folks might (76) as trivial. With this gift for (77) curiosity the leader always combines a reluctance (勉强) to talk about himself. His interest is (78) in other people; he questions them and encourages them to talk and then remembers all (79) is relevant. He never leaves a party (80) he has mentally filed a minimum dossier (档案) on (81) present, ensuring that he knows (82) to say when he meets them again. He is not artificially extrovert but he would usually rather listen (83) talk. Others realize gradually that his importance needs no proof.

A) give B) come
B. C) make D) take

An important factor of leadership is attraction. This does not mean attractiveness if the ordinary sense, for that is a born quality (64) our control. The leader has, nevertheless, to be a magnet; a central figure towards whom people are (65) . Magnetism in that sense depends, first of all, (66) being seen. There is a type of authority which can be (67) from behind dosed doors, but that is not leadership. (68) there is movement and action, the true leader is in the forefront and may seem, indeed, to be everywhere at once. He has to become a legend; the (69) for anecdotes (轶事), whether true or (70) ; a character. One of the simplest devices is to be absent (71) the occasion when the leader might be (72) to be there, enough in itself to start a rumor about the vital business (73) has detained (留住) him. To (74) up for this, he can appear when least expected, giving rise to another story about the interest he can display (75) things which other folks might (76) as trivial. With this gift for (77) curiosity the leader always combines a reluctance (勉强) to talk about himself. His interest is (78) in other people; he questions them and encourages them to talk and then remembers all (79) is relevant. He never leaves a party (80) he has mentally filed a minimum dossier (档案) on (81) present, ensuring that he knows (82) to say when he meets them again. He is not artificially extrovert but he would usually rather listen (83) talk. Others realize gradually that his importance needs no proof.

A) at B) on
B. C) in D) about

(一)梦想中的乐园 地球上的资源是有限的,而地球上的人口却是在不断地增长,当地球的各种资源日趋枯竭的时候,人们便把目光投向了尚未开垦的处女地——广袤无垠的宇宙。人类试探着要把自己的活动领域扩展到太空去,在那里建电站、建工厂、建农场、建未来的太空城市,建设人类美好的太空乐园。 太空城市不是随便建在太空中就行的,必须保证它是永久的,不会坠落。经过科学家们的计算,在太空中离地球约38.4万千米远的区域,有一些特殊的点,在这些点上太阳、地球、月对的引力相互平衡。物体位于这些点上就不会轻易离开自己的位置。因此,科学家们便提出采太空城市建在太空中这些特殊的点上。 建太空城的地方有了,但太空城市又该是个什么样子呢许多人提出了自己的设想,其中美国科学家奥尼尔1975年设计出了一种称之为“宇宙岛”的太空城方案,它是一种简单易行的设计。 这个“宇宙岛”的外形像一个车轮子,直径约500米,它以一定的速度旋转,以产生模仿地球引力的“人造重力”。人在“岛”内不会四处漂浮,感觉像在地球上一样,同样可以头顶蓝天脚踏实地。“岛”的外壁有一层约2米厚的粗糙的外壳,可以抵挡宇宙中外来物的撞击,“岛”内建有太空工厂、太空农场、住宅、商店、医院、学校、餐厅、娱乐场所等设施,可以容纳上万人,是一个封闭的自给自足的人造生态系统。 还有一种设计,是大型的圆筒形空间城。城市建在一个直径为6.5千米、长32千米的大圆筒内。圆筒围绕竖直轴自转,以产生人工重力,居民可达上百万。太空城中有人造陆地、湖泊、河流,还有大片森林、公园,光照充足,气候宜人,并可人工控制昼夜和季节变化,真可算得上是理想中的世外桃源,天上人间。 人们设想中的太空城千姿百态,各具特色。可上千万吨的庞然大物怎样才能建造在如此遥远的太空呢显然,现有的任何火箭都无法将太空城整体发射上天。因此,建造太空城必须要有特殊的交通运输工具,才能解决物资设备和人员的运输问题。 航天飞机能自由地往返于地球和太空,但它要经过改进完善后,才能担负起如此艰巨而遥远的飞行任务。建造一座太空城,需要航天飞机无数次的往返飞行,将一个个太空舱和所需的设备、人员、机器人等送上太空。先在太空中装配成中型的宇宙站,然后以宇宙站作为立脚点,再建造太空城市,进行太空移民。 建造太空城,进行太空移民是一项非常庞大的系统工程。目前,有关国家正在进行相关试 验。随着航天技术的飞速发展,太空城市的设想,或许在不久的将来就会成为现实。人类的优秀子孙将飞离地球摇篮,去太空建造人类的第二故乡,他们是太空城市的建设者,也是第一批太空移民。也许,你就有幸成为太空城市的一位贵客。 下列对文章的理解与分析,正确的一项是( )。

A. 太空城市的设想,在不久的将来就会成为现实
B. 太空城市只能建在离地球约38.4万千米远的区域,因为这些区域的环境特点与地球相似,适合人类生活
C. 本文主要从以下两个方面说明太空城:介绍太空城的设计方案,说明如何建造太空城
D. 本文采用时间顺序说明人类对太空城由寻址到建设的过程

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