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試題詳情
When it comes to risky behavior，adolescence is the perfect storm.In fact，teens are hardwired to seek challenge.According to a study by University College London （UCL），risk-taking behavior peaks during adolescence.As an adolescent's social-emotional system matures，they long for stimulation and teen challenge.
Moreover，the study found that teens took risks because they enjoyed the thrill.In fact，they often understood the consequences of their behavior.However，the desire to take risks was stronger than their common sense.That's because the teen brain is not fully developed.Therefore，the areas controlling impulses（沖動(dòng)） and decision-making are still immature.
The study involved adolescents and adults aged 9 to 35 years.Participants chose between risky and safe options in a computer gambling game.Scientists found that the teenagers took the most risks compared with the other groups.In fact，14-year old teens demonstrated the most risky behavior.In other words，they were constantly seeking challenge and excitement.
In another study at the University of Texas at Austin，participants aged 8 to 30 were given money as a reward for correctly identifying an image.Scientists measured how their brains responded when they found out whether their answers were right or wrong.The teenagers' brains released the highest levels of dopamine，a chemical associated with pleasure.Dopamine motivates the brain to seek rewards and is linked to addiction.Thus，the researchers concluded that teens are more willing to take risks in order to experience rewards.
Risk-taking isn't always a bad thing if it takes place with in safe boundaries.In fact，a certain level of safe，positive risk-taking is essential for teens to develop their sense of self and gain self-esteem（自尊）.Healthy risk-taking activities include playing sports，outdoor adventures，performing on stage，and reaching out to make new friends.
In conclusion，there's no getting around it：Teens will always seek thrills and push the limits.They're made that way.But parents can help them find healthy challenges that support growth and reduce risk.
（1）What is the reason for teens' tendency to take risks？ CC
A．They lack common sense and decision-making ability.
B．They don't understand the consequences of their behavior.
C．They enjoy the excitement and actively pursue stimulation.
D．Their brain areas controlling impulses are fully developed.
（2）How did the researchers carry out the first study？ AA
A．By analyzing the choices of teens and adults in the gambling game.
B．By analyzing the results of the gambling game.
C．By measuring how brains worked in the gambling game.
D．By observing how excited the teens were in the gambling game.
（3）Which of the following statements is true according to para 4-5？ BB
A．The more risk-taking teens are，the more self-esteem they have.
B．Dopamine plays an important role in teens' risk-taking activities.
C．Making new friends shouldn't be considered as risk-taking.
D．Taking risks makes a teenager more eager for reward.
（4）What is the author's attitude towards risk-taking behavior of teenagers？ CC
A．Negative
B．Approving
C．Objective
D．Ambiguous
【答案】C；A；B；C
【解答】
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發(fā)布：2024/5/27 8:0:10組卷：9引用：1難度：0.5
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（1）What can we infer from paragraph 1？
A．The loss of any species can affect humans.
B．Endangered species are paid more attention to by humans.
C．Species can still survive when their ecosystems are destroyed.
D．Ecosystem protection is as important as diversity protection.
（2）What does the underlined word "ecocide" in paragraph 2 mean？
A．Ecosystem protection.
B．Reduction of the number of species.
C．Serious damage to habitats.
D．Habitats protection.
（3）What's the direct cause of the terrible state of the hotspots？
A．Population growth in hotpots.
B．Migration out of these areas.
C．Global warming.
D．The global average population growth rate.
（4）What's the author's opinion on protecting the hotspots？
A．It's simple to carry out.
B．It leads to the increase of tourists.
C．It's closely connected with local people.
D．It suggests that the local people are well educated.發(fā)布：2025/1/6 16:30:6組卷：0引用：1難度：0.5 -
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"You know I don't want to put my family at risk，I don't want to put myself at risk to travel during a pandemic and go back to Pakistan，and even if I could delay the program for a year，it is not certain that I will get the visa again." said a Pakistani student.
Many students say they need to be in the US for more than attending cljye.ais.As a PhD student，the library is an extremely important resource for them，although it is because of COVED that those services have been closed，which means even this advantage is gone.
"You know more than 90% of the international students who were studying the US when COVID-19 hit and college campuses were closed have to remain in the US and this creates such trouble in their lives and such uncertainty that is unreasonable." said a lady from a university.
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The government said that the policy speaks for itself and that online coursework is not worth a visa.So far，not any sign of change has been within sight.As students are waiting for the policy to improve，their fall programming and their future remain in limbo.
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（2）What do international students staying in the United States think of the new rule？
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（4）What does the underlined phrase "in limbo" in the last paragraph mean？
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D．Unbelievable.發(fā)布：2025/1/6 15:30:8組卷：0引用：1難度：0.5 -
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（1）According to the author，people enjoyto seek nature.
A．jogging on the street
B．running in the gym
C．shopping in the supermarket
D．sitting in the garden
（2）From the second paragraph，we can see that.
A．Children don't want to approach nature
B．children probably spend less time in nature nowadays
C．climbing trees will certainly do good to the children
D．children tend to be happier as a result of their material satisfaction
（3）In what way do people benefit from their contact with nature？
A．Children with ADHD can be cured.
B．Children's performance at school is greatly improved.
C．Problems with crime and violent behavior will easily be solved.
D．A garden nearby improves the quality of old people's life.
（4）what is the main idea of this passage？
A．Access to nature improves our life.
B．Nature treats children for ADHD.
C．Getting close to nature reduces crime.
D．Man can't live without natural areas.發(fā)布：2025/1/6 16:30:6組卷：0引用：1難度：0.5
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