試卷征集
加入會(huì)員
操作視頻
當(dāng)前位置: 試題詳情

Humans really do have a sixth sense that lets us detect magnetic fields(磁場),but we're not aware we have jye.ai.It has long been known as ESP,Spider Sense,or the ability to see things before they happen.But now scientists have proved that humans really do have a sixth sense-that lets them detect magnetic fields.Tests have shown that mankind may have the same inborn sense of Earth's magnetic field that has long been proved to exist in animals.
   By putting a protein from the human retina(視網(wǎng)膜)into fruit flies,researchers noticed that the insect adjusted its flight path just as if its eye had not been changed.This suggests that the "sixth sense" does exist in humans but we might not be aware of it.Animals use such sight to navigate long distances during migration or,in the case of birds,to "see" where they are going.The complex tests involved examining the process by which light goes through a bird's eye,which has interested the scientific community for more than 30 years.In the late 1970s,the physicist Klaus Schulten concluded that birds fly by relying on geomagnetically(地磁) sensitive biochemical reactions in their eyes.
   Tests have shown that the special cells in the eye carry out this function using the protein cryptochrome(蛋白隱色素).Professor Reppert's team used wild fruit flies,replacing their version of cryptochrome with the human equivalent(等價(jià)物),and then put them in a maze(迷宮)with each wing wrapped in a metal coil (金屬圈).They then sent electricity through it so that the coil was magnetised in a way which is just like Earth's electromagnetic field (電磁場).The flies responded in exactly the same way as if they had their own cryptochrome,by either avoiding the magnetic fields or moving towards them if the researchers had placed sugar nearby.
   The new study was published in the journal Nature Communications.

(1)What do we know about humans' sixth sense?
C
C

A.Humans have been aware of it since ancient times.
B.It is quite different from the animals'.
C.It is the ability to predict what will happen.
D.It is also a sense developed after birth.
(2)Why did researchers put a protein from the human retina into fruit flies?
C
C

A.To allow researchers detect magnetic fields.
B.To examine the process of birds' flying.
C.To test if humans have a sixth sense.
D.To change fruit flies' flight path.
(3)What does the underlined word "it" in Paragraph 3 refer to?
A
A

A.the metal coil
B.the maze
C.each wing
D.cryptochrome
(4)After being replaced the cryptochrome,how are the wild fruit flies?
D
D

A.They couldn't avoid the magnetic fields like before.
B.They lost the sense of direction completely.
C.They couldn't find the sugar the researchers had placed nearby.
D.They responded normally as if there had been nothing changed.

【考點(diǎn)】新聞報(bào)道
【答案】C;C;A;D
【解答】
【點(diǎn)評】
聲明:本試題解析著作權(quán)屬菁優(yōu)網(wǎng)所有,未經(jīng)書面同意,不得復(fù)制發(fā)布。
發(fā)布:2024/4/20 14:35:0組卷:2引用:1難度:0.5
相似題
  • 1.British children's writer Roald Dahl ate chocolates and sweets "pretty much every mealtime",remembers daughter Ophelia Dahl.
       After dinner,whether dining alone or entertaining guests,Dahl would pass around a little red plastic box full of Mars Bars,Milky Ways,Maltesers,Kit Kats and much more.
       He knew the history of all the sweets and could tell you exactly when they were invented. =1937 was a big year when Kit Kats (his favorite),Rolos,and Smarties (his dog,chopper's favorite) were invented.He wrote a history of chocolate,lecturing schoolchildren to commit such dates to memory,such as 1928 when "Cadbury's Fruit and Nut Bar popped up on the scene",saying don't bother with the Kings and Queens of England.All of you should learn these dates instead.Perhaps the Headmistress will see from now on that it becomes part of the major teaching in this school.
       According to Dahl,the Golden Years of Chocolate were 1930-1937.In 1930,Roald Dahl was 14 years old.He was a student at Repton,a famous boys' boarding school in England.It was a tough environment:Those in authority were more interested in controlling than educating the students.
       Ironically,it was at this difficult period that chocolate became Dahl's passion.Near Repton was a Cadbury chocolate factory.Every so often,Cadbury would send each schoolboy a sampler box of new chocolates to taste and grade.They were using the students - "the greatest chocolate bar experts in the world" to test out their new inventions.
       This was when Dahl's imagination took flight.He pictured fiactories with inventing rooms with pots of chocolate and fudge (軟糖)and "all sorts of other delicious fillings bubbling away on the stoves".
       "It was lovely dreaming those dreams…when I was looking for a plot for my second book for children,I remembered those little cardboard boxes and the newly-invented chocolates inside them,and I began to write a book called Charlie and the Chocolate Factory."
      For the record,Roald Dahl did not like chocolate cake or chocolate ice cream.He said, "I prefer my chocolate straight."

    (1)What can we learn about Roald Dahl?

    A.He treated himself with various chocolates after dinner secretly.
    B.He has a good knowledge of chocolate,especially its history.
    C.He used to lecture schoolchildren of a boys,boarding school.
    D.He only wrote some books related to the history of chocolate.
    (2)What happened during the Golden Years of Chocolate?

    A.It was a great time for children to get educated.
    B.Those years stopped Dahl's interest in chocolate.
    C.Students could become chocolate experts then.
    D.Roald Dahl's passion for chocolate was lit up then.
    (3)Which of the following can best replace the underlined phrase?

    A.paid off
    B.went on
    C.picked up
    D.took off
    (4)What gave Roald Dahl inspiration to write Charlie and the Chocolate Factory?

    A.The dreams about chocolates.
    B.Factories with chocolate and fudge.
    C.Those boxes with chocolates.
    D.Chocolate cakes and ice cream.

    發(fā)布:2025/1/30 8:0:1組卷:4引用:1難度:0.5
  • 2.Hannah Levine decided she wanted to give hugs to all of the children and families in need at local hospitals.
       Because she couldn't give them hugs one by one,Levine,then a sixth-grader,decided she would use her talents (才能) to do the next best thing.She began to knit (編織) hats,scarves,and blankets for families staying at the Ronald McDonald House at Stanford.Her creations also went to Bundle of Joy,a programme that provides newborn baby items for families in need,and to Knitting Pals by the Bay,a local organisation that provides hand-knitted caps to cancer patients.
       "I love to knit,and I thought it would be a great idea to make all these handmade items for kids and adults who need them.It would be like a hug for them," Levine explained.
       Levine started the project about a year ago. "I think it's just really fun to do,and it keeps me busy," said Levine,now 13.
       Once she got started,Levine realised that her project could be much bigger than the goods she was able to produce with just her own hands.So she sent emails to her school and communities,asking for knitted donations (捐贈(zèng)物) to the project,she named "Hannah's Warm Hugs".She also posted advertisements at Starbucks and other locations in her area.The warm goods began to pour in.
       "It was amazing;more strangers than people she knew started dropping donations at our door," said Levine's mother,Laura Levine. "We ended up with this huge box of items she was donating."
       The knitted items numbered in the hundreds.Levine made her first round of donations around Hanukkah (an eight-day Jewish holiday in November or December) and later received thank-you letters from the organisations.Levine is still knitting,and she said the project will continue.
       "It has turned into a bigger thing than she had thought," her mum said. "It made her feel pretty good;it made us feel pretty good."

    (1)Hannah Levine knitted hats,scarves and blankets
    .
    A.to earn some pocket money
    B.to raise money for cancer patients
    C.for children and families in difficulty
    D.for the homeless in her neighbourhood
    (2)What can the underlined part "pour in" in Paragraph 5 best be replaced by?

    A.Take off.
    B.Go out.
    C.Flood in.
    D.Break in.
    (3)What would be Laura Levine's attitude towards Hannah Levine's project?

    A.Optimistic but worried.
    B.Proud and supportive.
    C.Worried but doubtful.
    D.Unsatisfied and uncaring.
    (4)What would be the best title for the text?

    A.Be Ready to Lend a Helping Hand
    B.Start a Project to Show Your Support
    C.A 13-year-old Girl Becomes the Best Knitter
    D.A Teen Turns Knitting Hobby into Heartwarming Project

    發(fā)布:2025/1/1 16:30:1組卷:10引用:3難度:0.5
  • 3.LANZHOU-When an international olive oil competition announced its winners in Greece in late June,excitement spread across the village of Daoqi in Northwest China.
       "The award-winning olive oil was made from our fruit," said Ru Ciming,50,an olive planter from the village under the city of Longnan,Gansu province.The variety of olive trees in Ru's orchard(果園)was introduced from Spajye.ai.In the eyes of locals,the foreign trees have not only pulled the city,once among the least-developed regions in China,out of poverty,but they have also brought them international fame.
       Olives originated in the Mediterranean(地中海地區(qū))and their oil,often called liquid gold,is used widely in food,cosmetics and medicjye.aie.In the 1960s,the Albanian government gifted China more than 10,000 olive saplings(樹苗),which were then planted in many parts of the country on nationwide trials.Longnan began to plant olive trees in the early 1970s and experts concluded that the region was ideal for the resettlement of the olive trees due to its climate and soil condition.After years of experiments and promotion,it is now the largest olive cultivation(栽培)base in China.
       In recent years,the local olive oil industry has continued to expand as Longnan has improved cooperation with Mediterranean countries that have a long history of olive planting,including Italy,Greece and Spain.The improved cooperation aims to introduce better varieties and initiate technical exchanges.
       Pedro J.Rodriguez Sanchez,a Spanish olive seedling expert,was one of the early contributors to olive exchanges.He arrived in Longnan in 2009,when only half of the local olive tree seedlings had survived.His technical guidance helped raise the survival rate to over 90 percent.
       Zhao Haiyun,an official in charge of promoting the olive industry in Longnan's Wudu District,said that many more European experts have arrived since Sanchez.They have visited orchards to offer guidance to farmers,and helped companies improve their processing and storage procedures.
       They have helped the district,as well as the city of Longnan,to jump on the bandwagon of China's rising demand for high-quality olive oil,especially among well-off urban families,said Zhao.

    (1)What can we learn from the third paragraph?

    A.Olive oil is named liquid gold and has many uses.
    B.The Albanian government sold some olive saplings to China.
    C.Longnan has a history of about 30 years of planting olive trees.
    D.Longnan is fit for the growth of olive trees due to its rich water resources.
    (2)Where did Pedro J.Rodriguez Sanchez come from?

    A.Italy.
    B.Albania.
    C.Spain.
    D.Greece.
    (3)Which of the following words can replace the underlined one "bandwagon" in the last paragraph?

    A.Policy.
    B.Habit.
    C.Fashion.
    D.Model.
    (4)What can be the best title for the news report?

    A.Olives link Northwest China with world
    B.Oliver trees pull Longnan out of poverty
    C.Longnan is largest olive cultivation base in China
    D.Longnan improves cooperation with Mediterranean countries

    發(fā)布:2025/1/1 16:0:1組卷:4引用:2難度:0.5
APP開發(fā)者:深圳市菁優(yōu)智慧教育股份有限公司| 應(yīng)用名稱:菁優(yōu)網(wǎng) | 應(yīng)用版本:5.0.7 |隱私協(xié)議|第三方SDK|用戶服務(wù)條款
本網(wǎng)部分資源來源于會(huì)員上傳,除本網(wǎng)組織的資源外,版權(quán)歸原作者所有,如有侵犯版權(quán),請立刻和本網(wǎng)聯(lián)系并提供證據(jù),本網(wǎng)將在三個(gè)工作日內(nèi)改正