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1151.Why should mankind explore space?Why should money,time and effort be spent exploring and researching something with so few apparent benefits?Why should resources be spent on space rather than on conditions and people on Earth?These are questions that,understandably,are very often asked.
Perhaps the best answer lies in our genetic makeup as human beings.What drove our ancestors to move from the trees into the plains,and on into all possible areas and environments?The wider the spread of a species,the better its chance of survival.Perhaps the best reason for exploring space is this genetic tendency to expand wherever possible.
Nearly every successful civilization has explored,because by doing so,any dangers in surrounding areas can be identified and prepared for.Without knowledge,we may be completely destroyed by the danger.With knowledge,we can lessen its effects.
Exploration also allows minerals and other potential resources to be found.Even if we have no immediate need of them,they will perhaps be useful later.Resources may be more than physical possessions.Knowledge or techniques have been acquired through exploration.The techniques may have medical applications which can improve the length or quality of our lives.We have already benefited from other spin-offs including improvements in earthquake prediction,in satellites for weather forecasting and in communications systems.Even non-stick pans and mirrored sunglasses are by-products (副产品) of technological developments in the space industry!
While many resources are spent on what seems a small return,the exploration of space allows creative,brave and intelligent members of our species to focus on what may serve to save us.While space may hold many wonders and explanations of how the universe was formed or how it works,it also holds dangers.The danger exists,but knowledge can help human beings to survive.Without the ability to reach out across space,the chance to save ourselves might not exist.
While Earth is the only planet known to support life,surely the adaptive ability of humans would allow us to live on other planets.It is true that the lifestyle would be different,but human life cultures have adapted in the past and surely could in the future.
(1)What is the reason for exploring space based on Paragraph 2?
A.Humans are nature-born to do so.
B.Humans have the tendency to fight.
C.Humans may find new sources of food.
D.Humans don't like to stay in the same place.
(2)The underlined word "spin-offs" in Paragraph 4 probably refers to
A.survival chances
B.potential resources
C.unexpected benefits
D.physical possessions
(3)What makes it possible for humans to live on other planets?
A.Our genetic makeup
B.Resources on the earth
C.The adaptive ability of humans
D.By-products in space exploration
(4)Which of the statements can best sum up the passage?
A.Space exploration has created many wonders.
B.Space exploration provides the best value for money.
C.Space exploration can benefit science and technology.
D.Space exploration may help us avoid potential problems on Earth.发布:2024/11/15 1:0:1组卷:10引用:2难度:0.51152.道歉
发布:2024/11/15 0:0:4组卷:3引用:5难度:0.41153.He made a great
发布:2024/11/14 23:0:2组卷:72引用:11难度:0.61154.假如英语课上老师要求同桌之间交换修改作文,请你修改你同桌写的以下作文.文中共有10处语言错误,每句中最多有两处.每处错误仅涉及一个单词的增加、删除或修改.
增加:在缺词处加一个漏字符号,并在其下面写出该加的词.
删除:把多余的词用斜线\划掉.
修改:在错的词下面划一横线,并在该词下面写出改正后的词.
注意:1.每处错误及其修改均仅限一词;
2.只允许修改10处,多者(从第11处起)不计分.
Dear Mr.Brown,
I am writing to thank you with your kind help.Before you came to teach us,I had not interest in English.My pronunciation was terribly.I could only speak a few words.But one and a half year later.I now think English fun to learn.I got a lot of from your encouraging words.I will always remember what you said,"If you try to,you can be No.1!"I hope you've had pleasant journey home and will come to China again sometimes in the future.I will write again and send you the photos we take together.
Yours sincerely,
Li Mi发布:2024/11/14 21:30:1组卷:34引用:3难度:0.31155.Have you ever been sad because of failure?Please remember,for often,achieving what you set out to do is not the most important thing.
A boy decided to dig a deep hole behind his house.As he was working,a couple of older boys stopped by to watch. "What are you doing?" asked one of the visitors. "I want to dig a hole all the way through the earth!" the boy answered excitedly.The older boys began to laugh,telling him that digging a hole all the way through the earth was impossible.After a while,the boy picked up a jar(罐子).He showed it to the visjye.aiors.It was full of all kinds of stones and insects.Then he said calmly and confidently, "Maybe I can't finish digging all the way through the earth,but look at what I've found during this period!"
The boy's goal was far too difficult,but it did cause him to go on.And that is what a goal is for—to cause us to move in the direction we have chosen,in other words,to cause us to keep working!
Not every goal will be fully achieved.Not every job will end up with a success.Not every dream will come true.But when you fall short of your aim,maybe you can say, "Yes,but look at what I've found along the way!So many splendid things have come into my life because I tried to do something!" It is in the digging that life is lived.It is joy on the journey that really makes sense.
(1)The older boys laughed at the boy because he was thought to be
A.careful
B.impolite
C.foolish
D.shy
(2)Why did the boy show the jar to the older boys?
A.To frighten them away.
B.To show what he had found in digging.
C.To show how beautiful the jar was.
D.To attract them to join him in the work.
(3)What can be learnt from the last paragraph of the text?
A.No dream can come true.
B.All work will end successfully.
C.Goals shouldn't be set too high.
D.Trying is far more important than the result.
(4)The best title for the text should be "
A.Joy on the Journey
B.A Boy Dug a Hole
C.No Pains,No Gains
D.Failure Is the Mother of Success发布:2024/11/14 21:30:1组卷:10引用:1难度:0.51156.The number of smokers,
发布:2024/11/14 21:30:1组卷:56引用:19难度:0.51157.When mentioning China,what comes to mind?As a country with a history of more than 5000 years,China is rich in civilization and culture.What best represents China?
Confucius (551 BC-479 BC)
Confucius was a teacher and philosopher from the Spring and Autumn Period of Chinese history.The philosophy of Confucius stresses individual morality including kindness,fairness,politeness,and sincerity.Confucius' principles have a broad basis in common Chinese tradition and belief.
Dragon
A dragon is a legendary creature,typically with winding or crawling characters.The dragon symbol is frequently used on ancient Chinese emperor's items including chairs or costumes.It is considered a representation of power.
Peking Opera
Peking Opera is considered the essence of China.As the larger form of Chinese opera,it has many "firsts" in Chinese dramas:the abundance of talents,the number of artists,opera groups and audience.
The Great Wall
There is an old saying that goes. "He who has never been to the Great Wall is not a true man." The Great Wall,one of the greatest wonders of the world,is a destination one must see when visiting China.
Traditional Chinese Medicine (TCM)
Developed in China,TCM has a tradition dating back to more than 2,000 years,including various forms of herbal medicine,cupping,massage,exercise (Qigong),and dietary therapy.
(1)What do we know about Confucius according to the passage?
A.He died at the age of 72.
B.He put stress on teamwork spirits.
C.He was a teacher in the Waning Stales Period.
D.He created common Chinese tradition and belief.
(2)Which of the following is regarded as symbol of power?
A.Confucius.
B.Dragon.
C.Peking Opera.
D.The Great Wall.
(3)What must you do when coming to China according to the passage?
A.Learn to exercise Qigong.
B.Appreciate Peking Opera.
C.Pay a visit to the Great Wall.
D.Experience the treatment of cupping.发布:2024/11/14 21:30:1组卷:65引用:3难度:0.71158.She's making an
发布:2024/11/14 20:30:1组卷:13引用:3难度:0.91159.Love relationships that a child makes will give him an
发布:2024/11/14 19:0:2组卷:18引用:9难度:0.71160.People in Brazil mark Carnival(狂欢节)every year and it is considered to be one of the most important national holidays.It is not about a big moment in history or a famous person,but it is important for the people because it is a time of friendship,freedom,and many days without work.People can choose between parties and rest.Most people choose parties,day after day,night after night.
Carnival is celebrated forty days earlier than Easter,but it is not recognized by the church.It lasts four days and four nights.People put on their holiday clothes and go out into the streets or to clubs to enjoy themselves together.
There are also some celebration activities.For instance,samba schools make a parade showing their music and beautiful cars.They are followed by people.Every year the parade tells a different story,and each city has one or more schools like this.
In the south the celebration of Carnival comes back to normal by Wednesday.The problem is that it is not recognized by the church in the northwest where the Carnival is more traditional.There,people do not respect its end and continue to party until the next Sunday.
Carnival is my favorite holiday,but I do not agree that the party should keep going.Like at other popular parties,people drink,dance and have fun.Unfortunately,some people are not very responsible and give it a bad name,leaving a bad impression of this holiday,but it is the only national holiday that brings the whole country and its different people and cultures together.
(1)Which of the following statements is true?
A.The Carnival is the most interesting holiday in Brazil.
B.The Carnival is celebrated to honor a famous person.
C.All of the people enjoy themselves in public places during the Carnival.
D.People do not need to work during the Carnival in Brazil.
(2)From this passage,we can infer that the Carnival
A.is a favored holiday in Brazil
B.has a religious origin
C.is when people miss their ancestors
D.is when people present gifts to each other
(3)What's the author's attitude to the Carnival?
A.Objective.
B.Negative.
C.Positive.
D.Indifferent.发布:2024/11/14 19:0:2组卷:7引用:1难度:0.6
