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The first robot rover to land on the Moon in nearly 40 years, China"s Jade Rabbit, has begun sending back photos, with shots of its lunar lander(登月飞行器). Jade Rabbit rolled down a ramp lowered by the lander and on to the volcanic plain known as Sinus Iridum at 04:35 Beijing time on Saturday (20:35 GMT).It moved to a spot a few metres away, its historic short journey recorded by the lander. On Sunday evening the two machines began photographing each other. A Chinese flag is clearly visible on the Jade Rabbit as it stands deployed on the Moon"s surface.

Ma Xingrui, chief mander of China"s lunar programme, declared the mission (任务)a “plete success”. The first soft landing on the Moon since 1976 is the latest step in China"s ambitious space programme, says BBC science reporter Paul Rincon.
The lander will operate there for a year, while the rover is expected to work for some three months. The Chang"e­3 mission landed some 12 days after being launched atop a Chinese­developed Long March 3B rocket from Xichang in the country"s south. The official Xinhua news service reported that the lander began its descent(下降)on Saturday just after 13:00 GMT, touching down in Sinus Iridum (the Bay of Rainbows) 11 minutes later. “I was lucky enough to see a prototype rover(原型月球车) in Shanghai a few years ago ­ it"s a wonderful technological achievement to have landed,” Prof Andrew Coates, from UCL"s Mullard Space Science Laboratory, told BBC News.
Chang"e­3 is the third unmanned rover mission to touch down on the lunar surface, and the first to go there in more than 40 years. The last was an 840kg (1,900lb) Soviet vehicle known as Lunokhod­2, which was kept warm by polonium(钋)­210. But the six­wheeled Chinese vehicle carries a more sophisticated payload(复杂的有效负荷), including ground­penetrating radar which will gather measurements of the lunar soil and crust.
小题1:What does the text mainly talk about?
A.China"s space and aeronautics industry develops quickly.
B.The importance of China"s space and aeronautics industry.
C.China"s Jade Rabbit Moon rover sends back first photos.
D.Chang"e­3 is the third unmanned rover mission to touch down on the lunar surface.
小题2:After ________ years" hard and scientific work, the first soft landing on the Moon has made such great progress.
A.nearly 40B.37
C.64D.more than 40
小题3:The purpose that the Chinese moon rover has visited the moon is to ________.
A.do some research about the moon
B.be the first settler on the moon
C.to plant the Chinese flag onto the moon
D.send a lovely jade rabbit onto the moon
小题4:From the text, we know that the lander began its descent on Saturday just after ________ Beijing time.
A.13:00B.20:00
C.22:00D.21:00

答案

小题1:C
小题2:B
小题3:A
小题4:D
解析

文章大意:本文介绍了中国的玉兔月球车从月球上向地球发回第一张照片。
小题1:C 主旨大意题。本文主要介绍了中国的玉兔月球车从月球上向地球发回第一张照片。故C正确。
小题2:B 细节理解题。根据文章第二段最后一句The first soft landing on the Moon since 1976 is the latest step in China"s ambitious space programme, says BBC science reporter Paul Rincon.可知是37年,故B正确。
小题3:A 推理判断题。根据文章最后一段第一句Chang"e­3 is the third unmanned rover mission to touch down on the lunar surface可以得出答案。故A正确。
小题4:D 推理判断题。根据文章第一段中的at 04:35 Beijing time on Saturday (20:35 GMT).可以知道格林威治标准时间与北京时间相差16小时。再根据第三段The official Xinhua news service reported that the lander began its descent(下降)on Saturday just after 13:00 GMT.可以判断出时间。故D正确。
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试题【The first robot rover to land on the Moon in nearly 40 years, China"s Jade Rabbi】;主要考察你对题材分类等知识点的理解。[详细]
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For the first time, researchers have discovered that some plants can kill insects in order to get additional nutrients. New research shows that they catch and kill small insects with their own sticky hairs near the roots and then absorb nutrients through their roots when the insects are killed and fall to the ground.
Professor Mark Chase, of Kew and Queen Mary, University of London, said: “The cultivated (改良的) tomatoes and potatoes still have the hairs. Tomatoes in particular are covered with these sticky hairs. They do trap small insects on a regular basis. They do kill insects.”
The number of these carnivorous plants is thought to have came up to 50 percent and many of them have until now been wrongly regarded as among the most harmless plants. Among them are species of petunia(矮牵牛), some special tobacco plants and cabbages, some varieties of potatoes and tomatoes, etc. Researchers at Royal Botanical Gardens Kew, which carried out the study, now believe there are hundreds more killer plants than previously realized.
It is thought that the technique was developed in the wild to get necessary nutrients in poor quality soil ­ and even various plants grown in your vegetable garden still have the ability.
The researchers, publishing their finding in the Botanical Journal of the Linnean Society, said: “We may be surrounded by many more murderous plants than we think.” “We are accustomed to thinking of plants as being immobile and harmless, and there is something deeply frightening about the thought of meat­eating plants,” they added.
小题1:Tomatoes and potatoes kill insects to ________.
A.get more sticky hairs
B.make themselves grow better
C.make their roots stronger
D.avoid falling down to the ground
小题2:The word “carnivorous” in Paragraph 3 most probably means ________.
A.fast­growingB.harmless
C.insect­killingD.nutritious
小题3:The insect­killing technique of vegetables is  developed most probably through ________.
A.evolution of species
B.helps from other garden plants
C.artificial cultivation
D.nutrients preserved in rich soil
小题4:The text is probably taken from ________.
A.a student bookB.a science fiction
C.a scientific repotD.a bulletin board

题型:不详难度:| 查看答案
Seven species of carp(鲤鱼) native to Asia have been introduced into United States waters in recent decades, but it"s four in particular-bighead, black, grass and silver-that worry ecologists, biologists, fishers and policymakers alike. Introduced in the southeast to help control weeds and parasites in aquaculture (水产养殖) operations, these fish soon spread up the Mississippi River system where they have been crowding out native fish populations not used to competing with such aggressive invaders. The carps" presence in such numbers is also harming water quality and killing off sensitive species.
Asian carp are strong to jump over barriers such as low dams. They lay hundreds of thousands of eggs at a time and spread into new habitat quickly and easily. Also, flooding has helped the fish expand into previously unattainable water bodies. And fishers using young carp as live bait have also helped the fish"s spread, as they have boats going through locks up and down the Mississippi.
The federal government considers the Asian carps to be annoying species and encourages and supports “active control” by natural resources management agencies. Federal and state governments have spent millions in tax dollars to prevent the carp from making their way into the Great Lakes, but an underwater electric fence constructed to keep them out has not worked as well as hoped, and policymakers are reviewing other options now.
In the meantime, state and federal agencies are monitoring the Mississippi and its branches for Asian carp and testing various barrier technologies to prevent their further spread. For instance, the National Park Service is cooperating with the state of Minnesota"s Department of Natural Resources to construct new dams that are high enough to prevent Asian carp from jumping over. The Asian Carp Regional Coordinating Committee has funded DNA monitoring in potentially affected water bodies whereby researchers can determine whether the troublesome fish are present just by the biological footprints they leave behind. Individuals can do their part by not transporting fish, bait or even water from one water body to another, and by emptying and washing boats before moving them between different water bodies.
小题1:Asian carp have been introduced to the USA in order to ________.
A.improve water quality
B.help sensitive species
C.control the number of native fishes
D.control the ecosystem in aquaculture
小题2:The measure to keep Asian carp out of the Great Lake but proved not good is ________.
A.testing various barrier technologies
B.construction of an underwater electric fence
C.Emptying and washing boats before using them.
D.monitoring the Mississippi and its branches for Asian carp
小题3:It is suggested from the passage that ________.
A.aquaculture operations are dangerous to the water bodies
B.scientific technology is useless in preventing Asian carp spreading
C.both the state and the individuals can make efforts to keep out Asian carp
D.Asian carp have successfully invaded the Mississippi and the Great Lakes

题型:不详难度:| 查看答案
In her new book, “The Smartest Kids in the World”, Amanda Ripley, an investigative journalist, tells the story of Tom, a high­school student from Gettysburg, Pennsylvania, who decides to spend his senior year in Wroclaw, Poland. Poland is a surprising educational success story: in the past decade, the country raised students" test scores from significantly below average to well above it. Polish kids have now outscored American kids in math and science, even though Poland spends, on average, less than half as much per student as the United States does. One of the most striking differences between the high school Tom attended in Gettysburg and the one he ends up at in Wroclaw is that the latter has no football team or teams of any kind.
That American high schools spend more time and money on sports than on math is an old complaint. In December, when the latest Program for International Student Assessment (PISA) results are announced, it"s safe to predict that American high­school students will once again show their limited skills in math and reading, outscored not just by students in Poland but also by students in places like China, Finland, Singapore, and Japan. Meanwhile, they will have played some very exciting football games, which will have been breathlessly written up in their hometown papers.
Why does this situation continue? Well, for one thing, kids like it. And for another, according to Ripley, parents seem to like the arrangement, too. She describes a tour she took of a school in Washington D.C., which costs thirty thousand dollars a year. The tour leader ­ a mother with three children in the school ­ was asked about the school"s flaws (瑕疵). When she said that the math program was weak, none of the parents taking the tour reacted. When she said that the football program was weak, the parents suddenly became concerned. “Really?” one of them asked worriedly, “What do you mean?”
One of the ironies of the situation is that sports show what is possible. American kids" performance on the field shows just how well they can do when expectations are high. It"s too bad that their_test_scores_show_the_same_thing._
小题1:Tom decides to spend his senior year in Poland because ________.
A.he intends to improve his scores
B.Polish kids are better at learning
C.sports are not supported at schools in Gettysburg
D.he wants to be the smartest kid in the world
小题2:According to Paragraph 2, we know that ________.
A.PISA plays a very important role in America
B.little time is spent on sports in Japanese schools
C.American students do better in both math and sports
D.too much importance is placed on sports in America
小题3:The underlined sentence in the last paragraph means ________.
A.low expectations result in American students" poor PISA performance
B.high expectations push up American students" academic performance
C.American students" academic performance worries their parents a lot
D.lacking practice contributes to American students" average performance
小题4:The purpose of this article is to ________.
A.compare Polish schools with those in America
B.call on American schools to learn from the Polish model
C.draw public attention to a weakness in American school tradition
D.explain what is wrong with American schools and provide solutions

题型:不详难度:| 查看答案
I lost my sight when I was four years old by falling off a box car in a yard in Atlantic City and landing on my head.Now I am thirty­two.I can ____ remember the brightness of sunshine and what red color is.It would be wonderful to see again, ____ a disaster can do strange things to people.
It occurred to me the other day that I might not have come to ____ life as I do if I hadn"t been blind. I believe in life now.I am not so sure that I would have believed in it so deeply, ____. I don"t mean that I would prefer to go without my eyes. I simply mean that the loss of them made me ____ the more what I had left.
The hardest lesson I had to learn was to believe in myself.That was ____. If I hadn"t been able to do that, I would have ____ and become a chair rocker for the rest of my life.When I say ____ in myself I am not talking about simply the kind of self­confidence that helps me down a(n) ____ staircase alone.That is part of it.But I mean something ____ than that: an assurance that there is a special place where I can make myself fit.
It took me years to discover and ____ this assurance.It had to start with the most elementary things.Once a man gave me an indoor baseball, I thought he was laughing at me and I was ____.“I can"t use this,” “I said. Take it with you;” he ____ me.“and roll it around.” The words ____ in my head. “Roll it around!” By rolling the ball I could ____ where it went.This gave me an idea how to achieve a goal I had thought ____: playing baseball.At Philadelphia"s Overbrook School for the Blind I ____ a successful variation of baseball. We called it ground ball.
All my life I have set ahead of me a series of ____ and then tried to reach them, one at a time.I had to learn my ____. It was no good trying for something I knew at the start was wildly out of reach because that only invited the bitterness of failure. I would fail sometimes anyway but on the average I made ____.
小题1:
A.entirelyB.nearly
C.vaguelyD.simply
小题2:
A.andB.but
C.soD.for
小题3:
A.assessB.fear
C.enrichD.love
小题4:
A.otherwiseB.therefore
C.howeverD.besides
小题5:
A.understandB.appreciate
C.possessD.accept
小题6:
A.enoughB.specific
C.toughD.basic
小题7:
A.survived B.escaped
C.collapsedD.sacrificed
小题8:
A.hopeB.power
C.courageD.belief
小题9:
A.unfamiliarB.unbelievable
C.unexpectedD.uncomfortable
小题10:
A.harderB.bigger
C.warmerD.heavier
小题11:
A.weakenB.strengthen
C.sharpenD.brighten
小题12:
A.upsetB.flattered
C.ashamedD.hurt
小题13:
A.urgedB.promised
C.convincedD.advised
小题14:
A.flashedB.appeared
C.stuckD.crowded
小题15:
A.noticeB.hear
C.smellD.touch
小题16:
A.impossibleB.important
C.imaginaryD.impressive
小题17:
A.producedB.imitated
C.inventedD.spotted
小题18:
A.goalsB.efforts
C.directionsD.barriers
小题19:
A.challengesB.strengths
C.situationsD.limitations
小题20:
A.historyB.change
C.progressD.sense

题型:不详难度:| 查看答案
Password (密码) strength has been a topic about the Internet lately. I have seen lots of clever methods for generating and remembering strong passwords. Some are better than others, but in my opinion, none are adequate. Here"s the problem: It doesn"t matter how strong your passwords are if you use the same one on multiple sites. All it takes is for a site to get hacked(侵入), like Gawker media, or even Sony did, and now your super­strong password has been stolen, and every site on which you used that password has been accessed.
So, the bottom line is that no matter how strong your passwords are, and no matter what clever tricks you use to help you remember them, if you surf internet often, the only truly secure password system is what you need.
Enter LastPass. It"s not the only password manager out there, but I like it the best. You create ONE strong password that you have to memorize and use it to access your LastPass database. The LastPass database is stored online, on LastPass"s servers. LastPass recognizes the site you"re on and automatically logs you in (after, optionally, asking you to re­enter your master password). LastPass also has automatic form fill and automatic password generation. This means that you can have a different, unique, very strong password for every site you log into, but you only have to remember one master password. It"s the best of both worlds.
One argument against LastPass is that if their database is attacked, then all of your sites are in danger, and that"s true, but given that their entire line of work is keeping that information safe, I"m willing to take that chance. The alternative is rolling dice(掷骰子) or picking phrases to create passwords, writing all of them down on a piece of paper or something, and then having to manually type them in when I go to a site. A terrible mess.
There is a free version of LastPass, with some additional features unlocked if you pay a $12 a year subscription.
­Joshua Bardwell 
小题1:The writer thinks using the same password everywhere is ________.
A.dangerousB.convenient
C.appropriateD.adequate
小题2:When using Lastpass, users have to remember ________.
A.all passwords used
B.the last password
C.unique password each time
D.the master password only
小题3:Critics are against Lastpass because ________.
A.they have better ways to create password
B.they think rolling dice is more convenient
C.they have no faith in Lastpass database"s safety
D.Gawker media and Lastpass were hacked once
小题4:Joshua Bardwell writes the passage to ________.
A.share his experience
B.introduce a product of good quality
C.advertise his product
D.teach how to use a new product

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