题干

地理信息系统的主要功能是(    )。


A:对地理数据进行采集、处理、分析和管理以及决策应用

B:能对遥感信息进行处理和判断分析

C:能在很短的时间内获得较全面的资料

D:能在全球范围内适时进行导航定位

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答案(点此获取答案解析)

A

同类题2

完形填空

    In the early hours of 7 September 1838, one of the worst storms in history was roaring(咆哮)along the coast of England. The lighthouse keeper1at a ship. “It will be gone in a few more minutes,” he said sadly. His daughter, Grace Darling, looking from an upstairs window, found the great ship had 2 against the rocks and broken into halves.

     “Can't we save them?” Grace asked when she saw the3people on the ship. “Isn't there any way to help them?”

“No one can take a lifeboat out in that water,” her father answered. “The waves(浪)are too large.”

    Grace had great4.She simply did not know how to give up. Filled with pity, she ran to the lifeboat quickly. Her father5. With tears running down his face, he begged his daughter not to get into the boat, 6 she would not listen. Her father could not let her go alone. He climbed in too. The two of them rowed in a great hurry. Each wave seemed 7to throw them into the sea at any time.

    Suddenly there was a terrible roar. The storm had 8the ship in two. People were holding on to each half tightly(紧紧地).They had to be saved soon.

    Grace and her father rowed faster. Soon they reached the ship and began filling the lifeboat with9. Then father and daughter brought their lifeboat safely to shore.

    As news of her brave saving action reached the public, the whole country considered her as a national hero. Grace and her father received the Silver Medal10from the British government. To this day a small statue stands above the grave(墓)of Grace Darling. People still respect the young woman who refused to give up.

同类题4

阅读下文,回答问题

火车上的相遇

邓迎雪

    ①大二的时候,他的生活就像一幅乱七八糟的调色板——逃课、喝酒、玩网游、谈恋爱,很忙,但都与学业无关。颓废、不求上进,他自己并不是没有警醒,只是计划容易,执行好难。他还是会隔三岔五地玩个通宵。

    ②暑假,他原打算在学校补补功课,再打份工,可是朋友又邀他参加同学们的假期游。无奈,他只好再次搁置计划,登上了开往西安的列车。正值暑运,车上人满为患,他们只买到两张卧铺票。大家只好轮换去休息,余下的就在硬座车厢里打扑克,玩得不亦乐乎。

    ③凌晨三点,他带着浓重的困意去卧铺车厢休息,人太多,走道里挤满了困倦不堪的人们,小小的空间里,人们横七竖八地或坐或躺。他忽然像针扎一样,大声叫起来,只见他的父亲蜷在角落里,背倚着包裹,微仰着脸睡着。世界很大,有时却又很小,他竟会在这里和父亲相遇。 

    ④父亲看见他也大吃一惊。父亲说,他是去郑州的建筑队干活,农活忙完了,正好出去转转。望着父亲皱巴巴的汗衫,乱蓬蓬的头发,黝黑苍老的脸,他知道父亲故作轻松的话语,是不想让他担心。父亲问他去哪里,他嗫嚅着说出行程。父亲却鼓励他,年轻人就该这样,“读万卷书,行万里路”嘛。想到亮红灯的功课,他不敢看父亲的眼睛。

    ⑤那晚,父亲在他的卧铺位上睡得很香。送父亲下车后,他发现自己的口袋里多了200元钱,两张皱皱巴巴、浸着汗渍的钞票,让他觉着沉重、烫手。他忽然就没有了出游的兴致,那场旅行,他的眼前老是晃动着父亲满是皱纹的面容。从风景区回来时,他在父亲打工的城市下了车。天闷热得像个大蒸笼,暑气滚滚,空气里冒着干渴的味道。

    ⑥在郊外的建筑工地,他见到了正在忙碌的父亲。父亲正踩着用木板搭起的脚手架,叮叮当当地捆扎钢筋。看见他,父亲急忙从脚手架上下来,心疼地责备他大热天里来工地做什么。看着父亲湿透的汗衫,被暑热熏得黑红的脸膛,他直觉着嗓子发堵,不知是汗水还是泪水从他脸上滑下,流进嘴里,咸涩的苦。

    ⑦正说着话,有工友从身边走过。父亲自豪地介绍,这是俺上大学的儿子。那工友又问在学校学的啥。念的是计算机,开学就大三了,父亲大声回答,又侧头看看他,一脸欣慰的幸福的笑。他心里五味杂陈,想想那两门挂科的功课,无地自容。

    ⑧他在工地呆了两天,才知道,那天父亲在火车上把仅有的钱都留给了他,现在的生活费是拿工钱代扣的。天气那么热,每天强体力的劳动,简单、粗糙的饭菜就是父亲全部的生活内容,他苦劝父亲回家,他留下来做工。父亲有些生气:“俺是干庄稼活的,这点累算啥,这哪是你读书人呆的地方,你好好读书,将来有出息,比啥都强。”

    ⑨这些年,他变得浮躁无比,忘记了自己的来处。如今,父亲烈日下的汗水,一滴一滴溅在他心里,唤醒了他沉睡的心。

    ⑩多年后,当他和父亲聊天,还常常会提到那年夏天。只是他没有告诉父亲,如果没有那次火车上的相遇,他不知还要挥霍多久的时光。

(选自《青年文摘》2013年第3期)