If you were asked to imagine a scientist，what image would come to your mind？The idea that most of the kids have is a man wearing a white lab coat with messy hair，big glasses，and cups of colorful liquids giving off clouds of smoke.As for adults，the majority regard scientists as strange people who spend a lot of time working in a lonely lab.However，the reality is quite different.
Recently I've had a chance to take part in a scientific experience far from my lab and into Costa Rica.It has a large amount of wildlife due to its geographical placement between North and South America.It is home to more than 500，000 species （物種），which represents nearly 4% of the species worldwide!
First we worked to protect wildlife at a leatherback turtle （棱皮龜） protection center.We helped the volunteers to remove rubbish from the beach to create a safe environment for turtle eggs to come out.After that we stayed at Mount Arenal where we studied seismic （地殼的） activity relating to earthquakes.During our stay at Arenal，we rode over the mountainous areas and took a long walk through the rainforest.On the last day we got a professional introduction of rocket （火箭） science and learned about new rocket technology that will be used on the international space station.
During my Costa Rica experience，I know that being a scientist doesn't mean working in a lab all day and night.A scientist is the one who loves learning and getting a better understanding of the world from helping protect wildlife，learning about earthquakes or inventing rockets.I think that science is so much more than wearing a lab coat and mixing chemicals.Kids need to be aware of the excitement and adventures science can bring!
（1）According to Paragraph 1，scientists are often believed BB.
A．to do experiments in messy labs
B．to spend too much time in labs
C．to wear clothes in a different way
D．to work in dangerous conditions
（2）In Costa Rica，the author CC.
A．experienced an earthquake
B．took part in rocket experiments
C．picked up rubbish on the beach
D．helped the volunteers collect turtle eggs
（3）What does the author learn about science from his experience？ CC
A．Science is full of boring experiments.
B．Science is related to chemical liquids.
C．Science is more than working in a lab.
D．Science is about wildlife and earthquakes.
（4）What is the best title for the passage？ AA
A．What a Scientist Is Like
B．Where a Scientist Works
C．How I Traveled in Costa Rica
D．Why I Chose to Study Science
【答案】B；C；C；A
【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：1引用：2難度：0.5
相似題
-
1．All routes to STEM （science，technology，engineering and mathematics） degrees run through calculus （微積分） classes.Each year，thousands of college students take introductory calculus.But only a small number ultimately complete a STEM degree，and research about why students abandon such degrees suggests that traditional calculus courses are one of the reasons.With scientific understanding and innovation increasingly central to solving 21st-century problems，this loss of talent is something society can ill afford.
Math departments alone are unlikely to solve this dilemma.Several of the promising calculus reforms were spearheaded by professors outside of math departments.STEM faculty are prioritizing cooperation across disciplines to transform math classes to cultivate a diverse generation of STEM researchers and professionals.
This is not uncharted territory.In 2013，life sciences faculty at the University of California，Los Angeles，developed a two-course sequence that covers classic calculus topics，but also emphasizes their application in a biological context.Creating this course，Mathematics for Life Scientists，wasn't easy.The life sciences faculty involved，none of whom had a joint appointment with the math department，said they turned to designing the course themselves after math faculty rejected their request for cooperation.
In Ohio，Wright State University's Engineering departments also revised math offerings.Rather than changing the content of the calculus course，they focused on preparing students for calculus by emphasizing "engineering motivation for math." The approach enhanced opportunities for students with weaker math backgrounds to succeed in engineering and doubled the average graduation rate of engineering students without reducing the average grade of graduates.Math learning is fundamental to all STEM fields，but the opposite also appears to be true.
（1）What problem is mentioned in paragraph 1？
A．Increasing STEM dropout rate.
B．The reform of calculus courses.
C．Shrinking admission to STEM majors.
D．The shaken belief in the role of calculus.
（2）What does "spearheaded" in paragraph 2 probably mean？
A．challenged
B．evaluated
C．cancelled
D．initiated
（3）What do we know about the calculus course reform according to the text？
A．STEM departments made calculus content easier to improve students' grades.
B．Math departments sought cooperation with STEM counterparts to urge reforms.
C．Placing calculus learning in specific STEM contexts is a workable approach.
D．Removing calculus is the key to increasing graduation rate of STEM students.
（4）What does "the opposite" in the last paragraph refer to？
A．The STEM fields may be the foundation of other science subjects.
B．The STEM fields may be central to making math learning effective.
C．Math learning may set barrier for science study in the STEM fields.
D．Math learning may make way for science study in the STEM fields.發(fā)布：2025/1/1 17:30:2組卷：24引用：3難度：0.5 -
2．I once thought that outer beauty is the only factor to become a great person.When I was young，I read many kinds of books，most of which described characters who are handsome or beautiful.So I think that being beautiful is the only way to become a success.
As I grew up，the story of my best friend made me realize that outer beauty was not so important to make a person successful.She is so beautiful a girl that every classmate liked to chat with her，but she was very arrogant（傲慢）.In her opinion，she could get all she wanted because of her beauty，but all of her friends left her one by one!Only then did she come to know the importance of the beauty in a person's heart，which changed her attitude and she made friends again.
Turning on TV，we can see many advertisements，most of which seem to give us a feeling that，physical attractiveness is the most important thing. There seems to be a boom in plastic surgery.It is surprising that more and more people，especially girls and women，try it like the first man-made beauty in China，Hao Lulu.It is a common sense that attractive people can easily find work.Most good-looking guys，usually get higher scores in the job interviews.But what is real beauty？I want to say that is inner beauty because those who have beauty in their soul are really beautiful persons.
As is known，the beauty judged with eyes is temporary，so we should concentrate on inner beauty.And if we make the efforts to make our minds beautiful，we'll live a happier life.
（1）Why did the author want to have a good appearance when she was young？
A．Because she wanted to follow the example of her friend.
B．Because she wanted to be one of the characters in the book.
C．Because she wanted to get higher scores in the job interviews.
D．Because the successful characters in the books she read were attractive.
（2）Why did the writer refer to her friend's story？
A．To show how beautiful her friend was.
B．To show how important outer beauty is.
C．To show the importance of inner beauty.
D．To show how terrible to be a beautiful girl.
（3）What does the underlined sentence in the third paragraph mean？
A．Surgery is becoming more and more popular.
B．More and more people pay attention to outer beauty.
C．More people can afford the price of doing plastic surgery.
D．The living standard has been improved over the past years.
（4）Which of the following covers the passage best？
A．Inner beauty is the real beauty.
B．How do attractive persons become successful？
C．The key factor to find a good job is being attractive.
D．Plastic surgery is the best way to make a person more beautiful.
（5）What do we know from the passage？
A．If you are too beautiful，all your friends will leave you out of envy.
B．If you have a good appearance，you must get higher scores in the job interviews.
C．Without the TV advertisements，there wouldn't have been a boom in plastic surgery.
D．Those who have good appearances should also develop the beauty in their hearts.發(fā)布：2025/1/1 18:0:1組卷：12引用：2難度：0.6 -
3．Dear Laura，
I just heard you tell an old story of gift giving and unselfish love in your program．You doubted that such unselfish love would happen in today's world．Well，I'm here to give you （1）．
I wanted to do something very （2）for my fifteen - year - old son，who has always been the perfect child．He （3）all summer to earn enough money to buy a used motorcycle．Then，he spent hours and hours on it （4）it looked almost new．I was so （5）of him that I bought him the shiniest helmet and a riding outfit．
I could （6）wait for him to open up his gift．In fact，I barely slept the night before．Upon awakening．I went to the kitchen to （7）the coffee，tea，and morning goodies．In the living room was a beautiful keyboard with a （8）： "To my wonderful mother，all my love，your son．"
I was so （9）．It had been a long - standing joke in our family that I wanted a piano so that I could （10）lessons． "L earn to play the piano，and I'll get you one" was my husband's （11）．
I stood there shocked，crying a river，asking myself how my son could （12）this expensive gift．
Of course，the （13）awoke，and my son was thrilled（激動的）with my reaction．Many kisses were （14），and I immediately wanted him to （15）my gift．
As he saw the helmet and outfit，the look on his face was not （16）what I was expecting．Then I （17）that he had sold the motorcycle to get me the keyboard．
Of course I was the proudest mother （18）on that day，and my feet never hit the ground for a month．
So I wanted you to know，that kind of love still （19）and lives even in the ever-changing world of me，me，me!
I thought you'd love to （20）this story．
keyboard
Yours，
Hilary
P．S．The next day，my husband and I bought him a new "used" already shiny motorcycle．（1） A．support B．a(chǎn)dvice C．hope D．courage （2） A．polite B．similar C．special D．private （3） A．played B．studied C．traveled D．worked （4） A．a(chǎn)fter B．before C．until D．unless （5） A．sure B．fond C．proud D．confident （6） A．perhaps B．really C．a(chǎn)lmost D．hardly （7） A．cook B．start C．set D．serve （8） A．note B．notice C．word D．sign （9） A．disturbed B．confused C．inspired D．a(chǎn)stonished （10） A．give B．take C．draw D．teach （11） A．reason B．request C．comment D．response （12） A．present B．a(chǎn)fford C．find D．order （13） A．neighbor B．building C．house D．home （14） A．exchanged B．experienced C．expected D．exhibited （15） A．tear B．open C．check D．receive （16） A．purely B．exactly C．obviously D．basically （17） A．realized B．remembered C．imagined D．supposed （18） A．only B．still C．ever D．even （19） A．works B．exists C．matters D．counts （20） A．send B．publish C．write D．share 發(fā)布：2025/1/30 8:0:1組卷：6引用：1難度：0.2
相關(guān)試卷