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What if I took that big jump on my bike?What’s the worst thing that could happen if I go out at midnight?Should try smoking?The teen years can play out like a choose-your-own-adventure novel.
Teenagers must act on an endless parade of choices.Some choices.including smoking.Come with serious consequences.As a result, adolescents often find themselves trapped between their impulsive tendencies(-Just try it!)and their newfound ability to make well-informed and logical choices(-Wait, maybe that’s not such a good idea!).
So what makes the teenager’s brain so complex? What drives adolescents-more than any other age group-to sometimes make rash or questionable decisions?
If you have ever thought that the choices teenagers make are all about exploring and pushing limits, you are on to something. Experts Experts believe that this tendency marks a necessary period in teen development.The process helps prepare teenagers to confront the world on their own. It is something all humans have evolved to experience-yes, teens everywhere go through this exploratory period.Nor is it unique to people:Even laboratory mice experience a similar stage during their development.
For example,laboratory experiments show that young mice stay close by their mothers for safety. As mice grow.their behavior does too.“When they reach puberty,they’re like,‘I’m gonna start checking out how this environment looks without my mom,…explains Beatriz Luna,of the University of Pittsburgh.
As a developmental cognitive neuroscientist,Luna studies those changes that occur in the brain as children develop into adults.She and other researchers are showing how the teen experience can lead to powerful advantages later in life.Take mice again:Young mice that explore most tend to live longest——that is,unless a cat eats them,Luna adds.
What is the best title for the text?

A.Teenagers make endless choices
B.The teenage brain drives them to be different
C.How the teenage brain develops
D.Researches about the teenagers

What does the underlined sentence in paragraph 4 mean?

A.It means “you are wrong”.
B.It means“you lose your way”.
C.It means“you get the point”.
D.It means“you are off the point”.

According to the text,the teenager who explores most wiIl

A.make no mistakes in his life.
B.have advantages over others.
C.loSe his confidence even his life.
D.experience no failure and live Iongest.

What does the writer want to tell us by taking mice for example?

A.young mice try to look for safety.
B.Young mice like to stay with their mothers.
C.Mice also experience a period to explore the world.
D.Mice experience different stages.

What may the text discuss in the next part?

A.How call a teenager make right choices
B.Why the parents shouldn’t allow teenagers to smoke
C.What has been discovered in the lab experiment.
D.What really goes on in the teenage brain.
科目 英语   题型 阅读理解   难度 中等
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相关试题

Answer the following questions by using the information taken from a dictionary page. (You may read the questions first.)
jaguar: n. a type of large, yellow-colored cat with black markings found in the southwestern region of the U. S. and in Central and South America.
jargon: 1. n. speech that doesn’t make sense. 2. n. an unknown language that seems strange or impossible to understand. 3. n. a language made up of two or more other languages: His jargon was a mixture of French and English. 4. n. the special vocabulary of a field or profession: Her report on computers was filled with jargon.
jaunt: 1. n. a trip taken for fun. 2. v. to go on a brief pleasant trip: We jaunted to the country last Saturday.
javelin: 1. n. a spear most commonly used as weapon or in hunting. 2. n. a lightweight metal or wooden spear that is thrown in track-and-field contests. 3. n. the contest in which a javelin is thrown. 4. v. to strike, as with a javelin.
jazz: 1. n. a type of music that originated in New Orleans and is characterized by rhythmic beats. 2. n. popular dance music influenced by jazz. 3. n. slang empty talk. 4. ad. of or like jazz: a jazz band, jazz records.
Jennet: n. a small Spanish horse.
Which meaning of the word javelin is used in the sentence below?
At the competition, Jack drew his arm back and threw the javelin 50 yards.

A.Definition 1 B.Definition 2
C.Definition 3 D.Definition 4

Which meaning of the word jargon is used in the sentence below?
Doctors often speak in medical jargon.

A.Definition 1 B.Definition 2
C.Definition 3 D.Definition 4

What does the word jazz mean in the following sentence?
Don’t give me that jazz, for I am a practical person.

A.rhythmic beats B.a type of music
C.a kind of dance D.meaningless talk

To get cash out in the 21st century, you won’t need a bank card, a PIN(个人识别编号) or even have to move a finger. You will simply have to look the cash machine straight in the eye, declares National Cash Registers, a multinational company that makes automated teller machines, or ATMs. NCR has shown its first example machine that is believed to be the future of banking. Instead of asking you for your PIN on a screen, the Super Teller-Stella for short, asks you orally through a loudspeaker to look straight ahead while an infrared camera turns to your head, then your eye, and finally takes an infrared photograph of your iris(虹膜). For identification(识别) purposes, an iris picture is better than a fingerprint, with around 256 noticeable characteristics compared with 40 for fingerprints. This means that the chances of someone else being recognized in your place is about 1 in 1020. Once you’ve been identified, Stella greets you by name and says: “Would you like cash or a statement?” An infrared port allows the machine to send a bank statement straight to your pocket computer.
What does this passage mainly talk about?

A.A new medical instrument
B.A new type of talking machine.
C.A new type of cash machine.
D.National Cash Register

What is this new machine called?

A.Stella B.ATM C.PIN D.NCR

When you want to get cash out in the 21st century, you will _______.

A.need a bank card B.have to put in your PIN
C.move your finger D.just look directly at the teller machine

The average person learns most of the 30 000~40 000 words whose meanings he or she recognizes by hearing them or getting familiar with them in the context or simply absorbing them without conscious(意识到的) effort. The best way to build a good vocabulary, therefore, is to read a great deal and to participate in a lot of good talks. There are relatively few words that we learn permanently(永久的)by purposefully referring to dictionaries or keeping word lists. However, even those extra few are of value, and no one will make a mistake by working on developing a larger vocabulary. Here are some suggestions of how to do it.
Read plenty of good books. When you come across a new word, or a new meaning of an old word, stop and see if you can understand it from its context. If you can't, and if you can manage without interrupting the thought of the book too much, look it up in a dictionary or ask somebody and then repeat its meaning to yourself a couple of times. If you are really conscientious(认真的), write the word and its meaning in a personal vocabulary list — preferably using it in a sentence, or you can keep a special vocabulary notebook. Go over the list from time to time. Further, try to use a new word in writing or conversation a few times over the next several days.
Listen to good talks and be alert to new words you hear or to new meanings of words you already know. Then treat them just as you treat the new words you read.
Learn and be alert to the parts of words: prefixes, suffixes and roots. Knowing them enables you to make intelligent guesses about the meaning of words.
If you are studying a foreign language, be alert to words in that language which relate to words in English. English has inherited(继承) or borrowed much of its vocabulary of 500 000~600 000 words from Latin, Greek, French, Spanish and German.
When you meet a new word in reading, what should you do?

A.Guess its meaning. B.Ask somebody.
C.Look it up in a dictionary. D.All of the above.

According to this passage, the best way to build a good vocabulary is _______.

A.to remember a lot B.to read a great deal
C.to take part in a lot of good talks D.both B and C

The phrase “be alert to” in the third paragraph may best be replaced by “_______”.

A.look at B.pay attention to
C.write down D.learn by heart

In the fourth paragraph, the word “them” refers to _______.

A.the parts of words B.prefixes
C.suffixes D.roots

Doreen Sykora is now a junior at McGill University. She had a difficult time when she first began college. She said, “I was always well prepared for my examinations. But when I go into class to take the exam, I would fall apart. I could just blank out because of nervousness and fear.” Hitoshi Sakamoto, an anthropology(人类学) student at Temple University in Tokyo reports similar experiences.
These two young students were experiencing something called test anxiety. Because a student worries and is stressed(加压力于) about a test, his or her mind does not work as well as it usually does. The student cannot write or think clearly because of the severe tension and nervousness.
Now there are special university courses to help students. In these courses, advisors and psychologists try to help students by teaching them to manage test anxiety. Such a course helps students learn to live with stress and not fail because of it. First students take a practice test to measure their worry level. If the tests show that their stress level is high, the students can take a short course to manage the fear. These courses teach students how to relax their bodies. They get training to become calm in very tense situations. By controlling their nervousness, they can let their minds work more easily. Learned information then comes out without difficulty on a test.
Doreen Sykora saw immediate results after taking such a course. She now has enthusiasm about the relaxation methods. “Mostly, what I do is imagine myself in a very calm place. Then I imagine myself picking up a pencil. I move slowly and carefully. I breathe easily and let all the tension out. With each breath, more worry leaves me. It really works too. My grades have improved greatly! I’m really doing well at McGill now. This relaxation method works not only on examinations, but it has improved the rest of my life as well.”
For Hitoshi in Tokyo, the results were much the same. He is enjoying school a lot more and learning more.
What is the similarity between Doreen Sykora and Hitoshi Sakamoto?

A.They are students from the same university.
B.They failed in all the examinations.
C.They both had experiences of test anxiety.
D.They both had the same poor studying habits.

The phrase “blank out” in Paragraph 1 refers to “_______.”

A.lose interest in the exam B.refuse to take the exam
C.get an extra paper D.be unable to think clearly

What’s the purpose of some special university student-help courses?

A.To help students to reduce test anxiety.
B.To show a stress level experienced by students.
C.To learn more knowledge about test anxiety.
D.To have a better understanding of test anxiety.

THYSSEN ELEVATORS is one of the leading elevators companies in the world with more than 120 branch companies around the globe. GUANGDONG THYSSEN ELEVATORS LTD. In Zhongshan produces high-quality elevators. We are offering the following positions:
● Plant Manager
Excellent Senior Engineer with experience in this field to manage our plant in Zhongshan
● Senior Engineers (Mechanical and Electrical)
For production and Engineering Department, good command of Internet
● Junior positions
For those who wish for success
● One purchaser(购货员)
Preferably with experience in a mechanical engineering company and international markets
● Cost Accountant(会计)
5 years experience in mechanical factory costing, good knowledge in Office 95, CET level. For these senior level Positions, we expect preferable a university degree or an excellent job Record. 3-5 years of experience on the job and good command of English. If you are ready to work with us, we will offer attractive salary packet and bright future.
THYESSEN
GUANDONG THYESSEN ELEVATORS LTD
LONGHCAN HUANCHENG
Zhongshan(5284655) Guangdong Province
(1) Secretary
● University graduate
● Good at English speaking, writing&translating
● Good PC knowledge and typing skill
● Pleasant character with good personal skill
(2) Accountants
● College or university graduate
● Good command of English and PC operation
● Work experience
(3) Production Trainees
● College or university graduate
● Food engineering/machinery or chemistry
● Good command of English
● 1-2 years experience in food factory
● Leadership ability and PC knowledge
(4) Production workers
● Polytechnic school(中专) graduate
● Food technology or chemistry
● Knowledge of basic English
●1-2 years experience in food factory
NESTLE
DONGGUAN NESTLE COMPANY LTD


If you don’t know how to use a computer, you had better ask for the position of _______.

A.a secretary in NESTLE B.a production worker in NESTLE
C.a senior engineer in THYSSEN D.a cost accountant in THYSSEN

From the passage we can learn that _______.

A.THYSSEN is a successful company with many branches
B.NESTLE is a company only producing chemical products
C.NESTLE asks for good command of English in every Position
D.THYSSEN needs a senior sales manager to sell its products in Asia

As a graduate from university this year, you can probably get a job as _______.

A.a cost accountant in THYSSEN B.a purchaser in THYSSEN
C.a secretary in NESTLE D.an accountant in NESTLE

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