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221．Spending money on time-saving services reduces stress and boosts happiness，according to a new research，but shockingly，few of us do it.
Whillans.a professor at HBS said，"Buying time helps to protect us from the stress in our lives caused by time pressure，and the feeling that we don't have enough minutes in the day to complete our tasks."
The effect was clearest in the Canadian experiment，in which 60 working adults were given ＄40 to spend in two different ways.One weekend，they were told to spend the money on a material purchase a gift for jye.aimselves.The next weekend，they were instructed to spend the ＄40 on anything that saved them time，from paying the neighbor's kid to run errands" to taking an Uber instead of a bus.
"On the day they made the time saving purchase，they felt happier，in a better mood，and lower feelings of time stress than on the day they bought a material purchase，" said Whillans.
The biggest surprise to the researchers was how few people would spend money on time saving services.When they asked 98 working adults how they would spend a "windfall" of ＄40，only two percent named a purchase that would save them time.
"One reason，" said Whillans，is that we're very bad at remembering how much we hate doing certain tasks once the suffering has passed.That makes us less likely to take active steps to avoid that overburdened feeling in the future.But another possible cause is good old fashioned guilt. "If you feel guilty about getting someone to clean your house for you，then you might get less happiness from outsourcing" that task，" said Whillans， "or you might just be less likely to spend your money in that way."
（1）In the Canadian experiment，the participants.
A．were divided into two groups
B．were given ＄40 every two weeks
C．were asked to give money to a neighbor s kid
D．were asked to spend the money in different ways
（2）According to the author，what can make people less time- stressed？
A．Paying much for a concert ticket.
B．Taking a regular bus to get to work.
C．Employing someone to clean the garden.
D．Buying themselves an expensive present.
（3）When it comes to spending money on"buying time"，.
A．no people would like to do it
B．a(chǎn) small percentage of people choose to do it
C．more people will do it if extra money is given .
D．most people like the idea but don't practice it in life
（4）What do the underlined words "that overburdened feeling" in Paragraph 6 refer to？
A．The good old-fashioned guilt.
B．The feeling of spending' money on goods.
C．The stress of having someone clean your house.
D．The discomfort when completing tasks we hate doing.發(fā)布：2025/1/5 9:30:5組卷：8引用：1難度：0.1
222．Since it was first published in 1843，the novel A Christmas Carol by Charles Dickens has been loved by millions of people，and perhaps has encouraged them to love more and give more.
Charles was no strangers to poverty.His father had been thrown in prison for debt in 1824，and he had to drop school and start working as the second oldest child of eight children.①
All his hopes and dreams of making something of his life were ended.It seemed not an adult in the world cared for his hopes or his abilities，not even his own parents.He wondered"how he could be so easily thrown away at such a young age".②
Eventually，he started writing stories for the papers.With money coming in and then children，Charles had taken a mortgage on a big house.His next novel was not as well received and his future payments were cut.Charles needed to make money and he needed to make it fast.Criticism of his new novel hurt his confidence；it is not easy to write when you are down and struggling.He needed new ideas and inspiration，but he was running out of time. ③
As he walked the streets after dark，through what he called the "black streets" of London，he again saw the poor，who had little food or warmth in the cold weather，and the closed-up houses，like the doors of the hearts of many who do not want to love and give. ④
He happened to find the idea of a Christmas story that could show this and warm the hearts of the poor and open the hearts of the selfish.He filled the story with character and scenes which he had already written about in his other stories，Scrooge，the main character，is a selfish self-centred man who hates Christmas，the time of giving.His late business partner，also a greedy man，comes back from the dead as a ghost to warn Scrooge.You will need to read the story yourself to see how Scrooge finally changes his ways.
The plan to save himself financially also saved Dickens emotionally.As he wrote about Christmas and the wonderful time of gift giving，family gathering，carol singing and feast sharing，his own heart was cheered and he remembered those things that really mattered to him.He loved writing the book and produced a special story，which is still loved around the world.New inspiration and fresh confidence set Dickens on a new path to success.
（1）What difficulties did Dickens face when writing A Christmas Carol？
A．Lack of time and education.
B．Lack of love and confidence.
C．Lack of patience and ideas.
D．Lack of inspiration and confidence.
（2）Where should the sentence "It was the loneliest time of his life." be put in the passage？
A．①
B．②
C．③
D．④
（3）Why is A Christmas Carol such an important work according to the last paragraph？
A．It is very popular among readers.
B．It serves as a turning point in Dickens' writing career.
C．It helped Dickens make a great deal of money.
D．Its theme is about a wonderful time full of love and giving.
（4）What is the purpose of this article？
A．To show the greatness of Charles Dickens.
B．To recommend some great works of Charles Dickens.
C．To present how poor Dickens' life was.
D．To introduce the book A Christmas Carol.發(fā)布：2025/1/5 9:30:5組卷：6引用：1難度：0.5223．Scientists found the moon may hold water in more places and in larger amounts than they have suggested in the past.The finding is based on studies that examined the new data from the U.S.jye.ai agency NASA.The discovery could be important for planned，long- term human bases on the moon.It could mean that enough resources exist on the moon itself to provide drinking water and possibly help produce rocket fuel.
Until about ten years ago，scientists believed the moon was mostly desiccated.But a series of findings provided evidence that water ice was widespread in small amounts on parts of the moon.The ice was thought to be in areas permanently blocked from sunlight.
But in the new studies，NASA said it was able to confirm the presence of water molecules on sunlit parts of the lunar surface.The research was led by Casey Honniball of NASA's Goddard Space Flight Center in Maryland.
Scientists have suggested the source of the water may come from comets"，solar wind or interplanetary dust.The new research provides evidence the water may be surviving on sunlit lunar surfaces because it is attached to minerals.
"A lot of people think that the discovery I have made is water ice，which is not true ，" Honniball said. "It's just the water molecules because they are so spread out that they don't interact with each other to form water ice or even liquid water."
"Water is extremely important for deep space exploration.It's a resource of direct value for our astronauts，" Bleacher said.He noted that water is heavy and costly to transport from Earth，He told reporters the agency believes it is very important to find out more about where the water comes from and how accessible it is.
"Anytime we don't need to pack water for our trip，we have an opportunity to take other useful items with us，" he said.That may include materials that could be used to carry out bigger scientific experiments on the moon.
（1）How do scientists feel about the discovery？
A．Excited.
B．Unconcerned.
C．Calm.
D．Doubtful.
（2）What may the future research focus on？
A．How the water survives on sunlit lunar surfaces.
B．How to make use of the water on the moon.
C．How the water is attached to minerals.
D．How much water is on the Lunar surface.
（3）What is the special part of the water on the moon？
A．It comes from other planets.
B．It is safe to drink.
C．It can't be used directly.
D．It can't be found in the dark areas.
（4）Which can be a suitable title for the text？
A．Moon Space Bases Will Be Built
B．More Water May Exist on the Moon
C．Space Exploration Gets Into New Age
D．Liquid Water is Discovered on the Moon發(fā)布：2025/1/5 9:30:5組卷：3引用：1難度：0.2224．You may study differently from your friends，but your study habits are not wrong!
Kelly and Maria are best friends with a lot in common.They love doing things together，such as going to movies and concerts，shopping，or just sitting at a small cafe.Since they take a lot of the same school subjects，they would love to study together，but they find this impossible.Their working styles are so completely different that they can't be in the same room while they are studying!
Kelly would like to study in a clean，open space，while Maria works best with books，papers and other things around her.Kelly prefers to study in a totally silent room，but Maria loves to play music or even have the TV on.Kelly can sit for hours without moving，and often gets all her homework done in one sitting.Maria，however，is always getting up，and says that she thinks best when she's on the move.
You might be asking yourself：which way of studying gets better results？Many people believe that a silent，tidy setting is the way to go， .Some research has even shown that outside noise and untidiness help some people focus their attention，because it makes them form a "wall" in their mind around what they are doing and improves their focus".
So，if you're a student who chooses to study while sitting at a table in a busy shopping center，don't worry about it.If you work in total silence，that's OK，too.Judging from Kelly's and Maria's study habits，the best way to study is the way that works for you.In their very different ways，both of them do well in school，and both finish their work within the required time as well.
（1）Kelly and Maria are mentioned as an example in this passage to.
A．discuss two different study habits
B．compare the differences in their hobbies
C．show the importance of a good study habit
D．express the writer s worry about their friendship
（2）Which of the following is the best to fill in the blank in Paragraph 4？
A．a(chǎn)nd they have difficulty in study
B．a(chǎn)nd it can be true for most of them
C．but that doesn't seem necessarily true
D．but nobody does research on this question
（3）What can we infer from the last paragraph of this passage？
A．Students who like to study in silence will be more successful
B．Both study habits can help students make progress in their studies.
C．Only a small number of students can study well in a noisy situation.
D．Friends with different study habits can do better by studying together.
（4）What can be the best title for the passage？
A．Are You Studying the "Right" Way？
B．How Can You Improve Your Study Habits？
C．Is It Possible for Friends to Study Well Together？
D．What Are the Advantages of Different Study Settings？發(fā)布：2025/1/5 9:30:5組卷：2引用：1難度：0.3225．The natural world is colorful with humans，plants and animals showing different colors.
Human skin can be many different colors and it changes with the sun，our feelings or our health for example.This is because of pigments，which reflect light and make what the eye sees as colors.So，when we feel excited or angry，our heart can send more blood to the face and the pigments in the skin become red.This is why we have the expression that someone "sees red" when they are angry.
Plants also have pigments.Color is important for them to live on.The bright colors of flowers catch the attention of insects"，which then carry their pollen"from one flower to another.Bees can see colors we cannot，and they follow these to the inside of the flower.Without bees visiting flowers in this way，many plants would die out.
Animals also use color for their own need.They protect themselves with different colors so as not to be seen by predators.The snowshoe hare，for example，a type of wild rabbit，changes color with seasons for this reason.During summer it is a brown color，and in winter it is white so that it can hide in the snow.However，some animals use color as a warning to make predators stay away.Bright colors such as yellow and red are often used in this way.Nature，however，is very clever，and predators also use colors to attract the animals they feed on.
So，we can see that there may be many different reasons and uses for colors in the natural world.Some uses of color in nature remain unknown，but one thing is for sure：color not only makes our planet beautiful but it is also necessary for our planet to live on.
（1）Paragraph 2 mainly tells us thatis/are the cause that makes human skin change color.
A．feelings
B．pigments
C．blood
D．sunshine
（2）According to Paragraph 3，plants can useto attract insects.
A．leaves
B．fruits
C．pollen
D．color
（3）The underlined word "predators" in Paragraph 4 refers to animals which.
A．hide in secret places
B．kill other animals for food
C．change color with the sun
D．protect themselves from danger
（4）What is the main purpose of the passage？
A．To describe animals' ways of life.
B．To encourage us to study color in nature.
C．To introduce the uses of colors for life on earth.
D．To explain the importance of protecting our planet.發(fā)布：2025/1/5 9:30:5組卷：4引用：1難度：0.6226．The English language is changing，and you are responsible!Whether we consider changes in grammar，spelling，pronunciation，or the very vocabulary of the language，you have played your part and continue to do so.
When we first learned basic grammar and spelling，perhaps in elementary school，we might have gotten the impression that these things were sacred.The rules that apply to such things might have been presented as unchanging and unchangeable.While this approach might be beneficial for teaching children，it is far from accurate.
The English language，like many others，is a living，growing，ever- evolving thing.Like it or not，you are involved in this change.These changes take many forms.Grammar and spelling have changed radically over the years and centuries，with the spelling differences in different countries today a reflection of this.While the language of a thousand years ago might be called English，most of us would hardly recognize it today as the same language.
The first involves changes in the pronunciation of words.Many are familiar with the differences between the British and American ways of pronouncing certain words.In addition to these differences，the pronunciation of many words has changed over the years because of how you have decided to pronounce them.For example，consider the word "err".The traditional pronunciation of this word rhymes with the word "her".However in recent years，more and more people have been pronouncing it so that it sounds like "air".
Another change in the language involves the addition and removal of words.The makers of dictionaries decide which words deserve to be finally adopted as part of the English language.Through the centuries，many words have come from other languages.In fact，English has probably done this more than any other language in the world，which is why spelling and pronunciation rules for English have so many exceptions.
Of course many slang words have been just short-lived fads" that have died out quickly.Others，though，have been adopted by mainstream society and become respectable，as have many technical terms.So then remember，the next time you repeat the newest expression to hit the street，or make up your own words，you may be contributing to the future of the English language.
（1）When we begin to learn English，we think.
A．it is interesting to take up a new language
B．grammar and spelling rules are unchangeable
C．only grown-ups have the ability to affect a language
D．English rules are wrongly presented in fact
（2）The pronunciation of words are changing because.
A．people speak in different ways
B．the British don't agree with others
C．people adopted foreign words
D．makers of dictionaries created them
（3）Which of the following statement about English slang words is TRUE？
A．All the slang words have become standard English.
B．English slang words are popular for a short time.
C．Some slang words have been accepted.
D．English slang words have different meanings actually.
（4）Which of the following is the best title for the passage？
A．You Can Change the English Language
B．English Is Changing Over Years
C．The British Speaks Differently From Americans
D．Foreign Words Involved in English發(fā)布：2025/1/5 9:30:5組卷：6引用：1難度：0.1
227．Many of us have had this experience：We lie down in a bed other than our own，perhaps at a friend's house or in a hotel room，and find it difficult or impossible to fall asleep.Is it because the bed is uncomfortable？Maybe，but perhaps there can be other reasons.
According to a new study published in Current Biology，an important reason is what the scientists call "first night effect".They believe that one side of the brain acts as a "night watch" to warn us about potential' dangers.It forces us to stay awake on the first night in a new environment.
For the study，35 young volunteers were asked to sleep in a sleep lab for several days.Meanwhile，researchers watched their brain activities.
According to the researchers，on their first night，the left brains were more active than the right brains and people had a hard time sleeping.However，left- brain activity decreased as days went by，falling even to the point of complete quietness.So，the volunteers got an increasingly better sleep experience.
The findings suggest that the different rhythms of the sides of the brain influence our sleep.When the two sides work differently，the balance between them is broken.And the brain can't relax，just as it is in the daytime.
US professor Jerome Siegel told Smithsonian Magazine， "If something unusual happens- if a door opens or you hear a key in a lock -- you can be alert，even though the sound is quite low."It works to protect us in a dangerous environment.
More surprisingly，this situation is similar to the way some animals sleep.Whales，dolphins，and many birds can sleep with half of their brain while the other half stays awake，with its one eye staying open.
If you have ever had what you think is "first night effect"，researchers suggest that you bring your own pillow or sleep in a room similar to your bedroom next time you sleep away from home.
（1）The cause of "first night effect" is that.
A．the left brains begin to relax
B．the right brains have a hard time
C．one side of the brains is more active
D．two sides of the brains need more rest
（2）Researchers find that "first night effect".
A．protects people from danger
B．helps animals sleep better
C．a(chǎn)ffects less in the daytime
D．causes something unusual
（3）To solve the problem of "first night effect"，we're advised to.
A．study the pictures of more animals
B．learn from the way animals sleep
C．lie in a more comfortable bed
D．get used to new environments
（4）The passage might be taken from a part of a.
A．travel poster
B．news report
C．science magazine
D．school notice發(fā)布：2025/1/5 9:30:5組卷：3引用：1難度：0.6228．你知道誰(shuí)是登月第一人嗎？
Do you know？發(fā)布：2025/1/4 8:0:1組卷：5引用：2難度：0.7229．took（原形）
發(fā)布：2025/1/4 8:0:1組卷：1引用：0難度：0.9230．My sister is friendly and she likes to share _______ books with others.（ ）
發(fā)布：2025/1/4 5:30:4組卷：13引用：2難度：0.6
