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大众英语品级测验三级疾速提分操练
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Part A
Directions:
Read the following two texts. Answer the questions on each text by choosing A, B, C or D. Mark
your answers on ANSWER SHEET 1.
Text 1
Flying over a desert area in an airplane, two scientists looked down with trained eyes at treesand bushes. After an hour' s flight, one of the scientists wrote in his book, "Look here for probable metal. " Scientists in another airplane, flying over a mountain area, sent a message to other scientists on the ground, "Gold possible. " Walking across hilly ground, four scientists reported,"This ground should be searched for metal. " From an airplane over a hilly wasteland a scientistsent back by radio one word: "Uranium. "
None of the scientists had X-ray eyes: they had no magic power of looking down below theearth' s surface. They were merely putting to use one of the newest methods of locating minerals inthe ground... trees and plants as signs that certain minerals may lie beneath the ground on whichthe trees and plants are growing.
This newest method of searching for minerals is based on the fact that minerals deep in theearth may affect the kind of bushes and trees that grow in the surface.
At Watson Bar Greek, a brook(小溪) six thousand feet high in the mountains of British Columbia, Canada, a mineral search group gathered bags of tree seeds. Boxes were filled with smallbranches from the trees. Roots were dug and put into boxes. Each bag and box was carefullymarked. In a scientific laboratory, the parts of the forest trees were burned to ashes and tested.Each small part was examined to learn whether there were minerals in it.
Study of the roots, branches, and seeds showed no silver. But there were small amounts ofgold in the roots and a little less gold in the branches and seeds. The seeds growing nearest to thetree trunks had more gold than those growing on the ends of the branches.
26. Scientists were flying over a desert or a hilly wasteland or .a mountain area in order tosearch forin the ground.
A. gold
B. silver
C. uraniumD. minerals
27. The study of trees, branches and roots shows that
A. there were larger amounts of gold in the branches than in the seeds
B. there were smaller amounts of gold in the roots than in the branches
C. there were less amounts of gold in the seeds growing on the ends of branches than seeds growing nearest to the tree trunks
D. there was more gold in the branches than in the roots
28. Which is the best title suggested below?
A. Scientists Searching for Metals with Special Power
B. New Methods of Searching for Minerals
C. Gold Could Be Found by Trees and Plants
D. A New Method of Searching for Minerals--Using Trees and Plants
29. Which of the following is NOT mentioned as part of a tree that can help find minerals?
A. Leaves.
B. Roots.
C. Branches.
D. Seeds.
30. The scientists were searching for minerals by using
A. X-ray
B. magic power
C. a special instrument
D. trained eyes
Text l
参考译文
坐着飞机飞过一片戈壁之地，两位迷信家用操练有素的眼睛察看上面的树木和灌木丛。颠末大抵一小时的飞翔察看后，此中一名迷信家在他的本子上写下如许一句话“看这里能够有金属矿藏。”另外一架飞机上的迷信家们正飞过一座山区。他们给空中察看站的迷信家们发了“能够有金矿”的信息。步辇儿超出山地，四名迷信家得出报告：“应当在此地寻觅金属矿藏”。从飞过多山丘的荒漠的飞机上，一名迷信家用无线电发还一个字：“铀”。
不一个迷信家具备x射线那样的眼睛：他们并不看破地球外表的魔力。他们仅仅利用了一个最新的手艺来定位公开的矿藏…树木和植被长在地上，经由过程他们能显现出某种埋藏在公开的矿物。
这项最新的寻觅矿藏的手艺是按照如许一个现实，即处在公开的矿物会影响到空中上灌木和树木的发展。
沃森巴溪是加拿大英属哥伦比亚一座6，000英尺的`山上的一条小溪。一队矿藏搜刮小组搜集了很多包树木的种子;盒子里盛满了小树枝。树根也被挖掉放进盒子里。每一个包和盒子都被细心标记了。在迷信尝试室内，树枝被烧成灰而后做检测。查抄每一个藐小的局部是不是含有矿藏。
对树根、树枝和种子的检测并没发明银元素，但却在树根部发明了局部金元素，同时在树枝和种子中也发明了较少的金元素。长在最靠近树干上的种子要比长在树枝根部的种子含金元素多一些。
谜底及剖析
26.D【剖析】语义懂得题。按照文章第一段的内容提到各类金属，而这些金属元素是包罗在矿(mineral)里的。故本题挑选D。
27.c【剖析】细节题。从文中最初一句“The seeds growing nearest to the tree trunks had more gold than those growing on the ends of the branches.”(长在最靠近树干上的种子比长在树枝根部的种子要含有更多的金元素)可知谜底。故本题挑选c。
28.D【剖析】大旨题。通读全文可知文章的大局部(第二至五段)都在报告经由过程动物来寻觅矿藏。故本题挑选D。
29.A【剖析】细节题。从最初一段可知，经由过程研讨roots，branches和 seeds可鉴定公开是不是有矿产，而leaves在文章中却不提到。故本题挑选A。
30.D【剖析】细节题。从文章第一段的第一句“two scientists looked down with trained eyes at trees and bushes”(两位迷信家用受过操练的眼睛察看树木和灌木)可知谜底。故本题挑选D。
Text 2
The most frightening words in the English language are, "Our computer is down. " You hear it more and more when you are on business. The other day I was at the airport waiting for a ticket to Washington and the girl in the ticket office said, "I' m sorry, I can' t sell you a ticket. Our computer is down. "
"If your computer is down, just write me out a ticket. "
"I can' t write you out a ticket. The computer is the only one allowed to do so. "
I looked down on the computer and every passenger .was just standing there drinking coffee and staring at the black screen. Then I asked her, "What do all you people do?"
"We give the computer the information about your trip, and then it tells us whether you can fly with us or not. "
"So when it goes down, you go down with it. "
"That' s good, sir. "
"How long will the computer be down?" I wanted to know.
"I have no idea. Sometimes it' s down for 10 minutes, sometimes for two hours. There' s no way we can find out without asking the computer, and since it' s down it won' t answer us. "
After the girl told me they had no backup computer, I said. "Let' s forget the computer. What about your planes? They' re still flying, aren't they?"
"I couldn't tell without asking the computer. "
"Maybe I could just go to the gate and ask the pilot if he' s flying to Washington," I suggested.
"I wouldn't know what gate to send you to. Even if the pilot was going to Washington, he couldn't take you if you didn't have a ticket. "
"Is there any other airline flying to Washington within the next few hours?"
"I wouldn't know," she said, pointing at the dark screen. "Only ' IT' knows. It can' t tell me. "
By this time there were quite a few people standing in lines. The word soon spread to other travelers that the computer was down. Some people went white; some people started to cry and still others kicked their luggage.
31. The best title for the article is
A. When the Computer Is Down
B. The Most Frightening Words
C. The Computer of the Airport
D. Asking the Computer
32. What could the girl in the ticket office do for the passengers without asking the computer?
A. She could sell a ticket.
B. She could write out a ticket.
C. She could answer the passengers' questions.
D. She could do nothing.
33. why do you think they had not a backup computer?
A. Because it was easy down.
B. Because it was very expensive.
C. Because it was not advanced enough.
D. Because it was not as big as the main computer.
34. The last paragraph suggests that
A. a modern computer won' t be down
B. computers can take the place of humans
C. sometimes a computer may bring suffering to people
D. there will be great changes in computers
35. What did passengers do when the computer was down?
A. They left home and went home.
B. They drank coffee and stared at the black screen.
C. They began to talk to each other.
D. None above.
Text 2
参考译文
英语中最使人惊骇的句子是：“咱们的电脑宕机了。”在出差的时辰，如许的动静你听到的愈来愈多。头几天我在机场列队买去华盛顿的票。售票窗口的女孩说：“对不起，咱们此刻不能卖票。咱们的电脑宕机了。”“如果电脑坏了，你就给我填一张票吧。”
“我没法给你填票。咱们只能用电脑出票。”
我看着那台电脑。搭客们都站在那边，喝着咖啡，盯着那已黑了的屏幕。而后我问她：“你们这些人都是干甚么的?”
“咱们把你旅途的.信息输出电脑，而后它就会显现是不是有适合你的航班。”
“以是如果电脑宕机了，你们就甚么都不能干了。”
“是的。师长教师。”
“电脑宕机要延续多久?”我问道。
“我不清晰。偶然非常钟，偶然两个小时。如果不Pl电脑咱们甚么信息都不晓得。既然此刻它宕机了，它就不会回应咱们了。”
从女孩那边得悉不备用电脑后，我说：“咱们先别管电脑这事。你们的飞机呢?它们还在飞，是吗?”
“不电脑，我就没法回覆你。”
“也许我能够去大门那问飞翔员是不是要飞往华盛顿。”我表示道。
“我不晓得让你去哪一个门找他。即便飞翔员飞往华盛顿，如果不机票.他也不会让你登机。”
“接上去的几个小时另有其余去华盛顿的航班吗?”
“我没法回覆你，”她说着，趁便指指那黑了的屏幕，“只要‘它'晓得.而它此刻没法告知我。”
此刻已没几多人列队了。电脑宕机的动静敏捷传到了其余观光者那边。一些人惊得脸都白了，有一些人起头大呼，另有一些人愤慨地踢他们的行李。
谜底及剖析
31.A【剖析】大旨题。按照文章第一句中的“0ur computer is down”(咱们的`电脑宕机了)及前面的文章对于机场电脑宕机后的一些对话内容可知，文章首要报告的是机场电脑宕机后发生的一些任务，故本题挑选A。
32.D【剖析】细节题。按照文章中的对话“When it[computer]goes down.you go down with it.”(若电脑宕机了，你们也任务不了 了。)可知，机场售票员甚么都不能做。故本题挑选D。
33.B【剖析】客观题。不备用电脑，最有能够是由于装备比拟贵。故本题挑选B。
34.C【剖析】揣度题。按照文章最初一段的描写：电脑死机，搭客们感应惊骇、郁闷、不安，故本题挑选C。
35.B 【剖析】细节题。文中第四段第一句“every passenger was just standing there drinking coffee and staring at the black screen.”(搭客们站在那边，喝着咖啡，眼睛盯着阿谁黑掉了的屏幕)。
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