相关试卷

Despite all the efforts students make to graduate with a science major, research has shown that most college science courses provide students with only a fragmented (碎片化的) understanding of fundamental scientific concepts. The teaching method improves memorization of separate facts, proceeding from one textbook chapter to the next without necessarily making connections between them. 

With that in mind, we developed a series of cross-disciplinary (跨学科的) activities. In our most recent study, we investigated how well college students could use their chemistry knowledge to explain real-world biological phenomena. To begin with, we interviewed 28 college students majoring in sciences or engineering. All had taken both introductory chemistry and biology courses. We asked them to identify connections between the content of these courses and what they believed to be the take-home messages from each course. The students responded with extensive lists of topics, concepts, and skills that they'd learned in class.

Following that, a set of cross-disciplinary activities were designed to guide students in the use of core chemistry ideas and knowledge to help explain real-world biological phenomena. One activity explored the impacts of ocean acidification (酸化) on seashells. Here, the students were asked to use basic chemistry ideas to explain how the increasing level of carbon dioxide in sea water is affecting shell-building marine animals such as corals and oysters. 

Overall, the students felt confident of their chemistry knowledge. However, they had a harder time applying the same chemistry knowledge. The students in our study also reported that these activities helped them see links between the two disciplines that they wouldn't have perceived otherwise. The ability to make these connections is important beyond the classroom as well, because it's the basis of science literacy (素养). So we also came away with evidence that our chemistry students at least would like to have the ability to have a deeper understanding of science and how to apply it.

Today's Brussels sprouts(孢子甘蓝) taste better than you might remember from childhood, and that is because a new variety has replaced the original vegetable. You can thank plant breeders for the change. Modem breeders, armed with new gene-editing technology, are looking to reproduce Brussels sprouts' reinvention.

In the late 1990s, scientists discovered specific chemicals which made Brussels sprouts taste bitter. Plant breeders started growing old seeds, previously abandoned due to poor yields(产量), to look for tastier versions with lower levels of these specific chemicals. Then they crossed these delicious but low-yield plants with high-yield individuals until they found a version that made plenty of tasty sprouts, transforming the vegetable from a bitter pill into a popular dish. 

But other vegetables haven't fared as well. That's because most breeding decisions favor plant traits(特性) that matter to vegetable growers, not vegetable eaters. For instance, disease resistance is probably the major focus these days of most breeding programs because that prevents the farmer from growing the crop. The taste of vegetables is ignored.

People, however, are now becoming interested in prioritizing the taste of vegetables thanks in part to new genetic technology. "There's never been a better time to be a fruit breeder or a vegetable breeder because we have more tools and techniques, " says Susan Brown, an apple breeder at Cornell University.

Some companies are beginning to use those tools to deal with the challenge of developing tastier vegetables. One company, Pairwise, is fighting the same compounds that troubled Brussels sprouts. But this time researchers are improving the flavor of salad greens. 

All vegetable growers hope that more flavorful products on store shelves will convince people to consume the recommended allowances(定量) of fruits and vegetables—and do so better than decades of nutritional guidance have. "Don't waste your time talking about trying to educate people to eat better, "said Harry Klee, a professor who specializes in tomato breeding. "Just give them products that taste better and that they want to eat. "

As I walked into the George Eastman Museum's Dryden Theater, I felt as though I had stepped into a time machine. On the way to the traditional, old-timey box office, tons of vintage movie posters and the theater entrance made me feel like I was on Broadway. As everyone took their seats, an older gentleman who looked like he walked straight out of the 1920s gave the attendees a historical background of the film we were seeing-The Barker.

The film itself, which was released in 1928, is considered a "part-talkie". Before films included synchronized (同步的) sound, films were played with live accompaniment and contained subtitles to add context. With the invention of synchronized sound, films slowly added talking dialogue in scenes throughout the film; these films were considered "part-talkies".

The Barker, which explores the lives of carnival workers, is the talking debut (首次登场) of all of the main cast. The film was revolutionary not only for the technology but also for the actors. My film experience consists of mostly talkies, so when I finished The Barker, I felt like I witnessed something brand new for the first time. 

The experience I had at Dryden Theater was unlike any movie-going experience I had ever had. The music, the film, and the atmosphere itself were completely unique! Since viewing films has gradually been switched to streaming services, especially since the pandemic, this has both increased the accessibility of films and stripped us of reliance on a social experience to watch a movie-one that attending The Barker reminded me of. 

"Barbenheimer", a phenomenon that contrasts the obvious differences in the recently released movies Barbie and Oppenheimer, allowed us to return to the movie-going adventure. Finally, everyone wanted big screens and surround sound rather than the tiny screens in bedrooms. More importantly, we were all able to interact with a piece of content alongside other people. "Barbenheimer" brought back the pastime of going to the cinema-one that I think we should continue to engage in. I say we take a page out of the 1920s playbook and return to the cinema.

Jindalee State School

Activity Consent (同意) Form- Years 1, 2 and 3 Swimming

Dear Parents/Carers, 

From January 19th to February 25th, students in Years 1, 2 and 3 will be participating in a "Learn to Swim" program as part of their learning in Health and Physical Education. Students will be grouped according to their ability. All students are expected to attend all lessons unless they are injured or ill. Students will take six lessons.

Place: Jindalee Pool

Activity details:

January 20th, 27th; February 3rd, 10th, 17th, 24th

January 21st, 28th; February 4th, 11th, 18th, 25th

Risk management strategies:

A registered teacher will attend all lessons. 

Students will be in small groups with professional swimming instructors from Jindalee Pool. 

Swimming instructors have first aid qualifications, 

There are staff who have lifeguard qualifications. 

Classroom teachers will give any required student medication. 

Activity cost: $66 each

If swimming cost presents a problem for any family, please contact the Business Manager on 3725 5710 to discuss other possible arrangements. 

If you wish your child to participate in, please complete this consent form and return it by January 12th. For further information, please contact us. on 3725 5777 or send an email to info@jindaleess. eq. edu. au. 

It was 1939, and the Great Depression had made all our lives much harder. But we didn't know how poor we were until our father sat my brother and me down on the couch in our living room to have a talk.

I will always remember the sad look in Father's eyes as he stared down at his hands, rubbing them back and forth, while he searched for the words to tell us that our family wasn't going to be celebrating Christmas this year.

A month later, on Christmas Eve, I lay awake in bed late into the night, trying to talk myself out of sneaking into our living room to see if Santa had come. I gathered my courage, then tiptoed down the hallway, hoping I would see the bright sparkling lights of our Christmas tree standing proudly in the corner of our living room, like it did every year.

Instead, I was greeted by my seventeen-year-old brother, Frank, who slept on our living room couch. "Hey, little one, what are you doing up?" he whispered.

I started to cry. "There's no Christmas tree."

There would be no presents, no singing, no Christmas dinner. It felt like we were the saddest family in the world. My disappointment overwhelmed me. I looked forward to Christmas each year. It wasn't only the presents. It was that special feeling I got from seeing my family happy. We hadn't been happy in such a long time.

On Christmas morning, the sun shone into our chilly bedroom, waking me up. "Maybe Santa came! Maybe he came!" I suddenly insisted. My eyes searched the living room, but there was no Christmas tree. I broke into uncontrollable tears.

I ran to Father in tears and threw my arms around him. " We aren't going to have Christmas this year."

"Now, now, now, calm down. Go on in and see your mother. She will comfort you." Dad slowly pushed the bedroom door open, leading me into the room.

注意：1.续写词数应为150左右；2.请按如下格式在答题卡的相应位置作答。

Out of the corner of my eye, I noticed something different in the bedroom.

……

With my question answered, everything dawned on me.

注意：1.写作词数应为 80 左右；2.可以适当增加细节，以使行文连贯；  3.请按如下格式在答题卡相应位置作答。

My Best Friend

Chinese Medicine Food

Medicine food is a unique cooking style in Chinese cuisine. It is  perfect combination of Chinese cooking and traditional Chinese medicine to get the effects of health keeping. It is also a skillful  (apply) of the yin and yang (阴阳) theory  (strengthen) the function of food and herbs.

The Chinese sort each type of vegetable and meat in terms of yin and yang, and combine vegetables with meat,  will make each cooked dish balanced.

During the 5th century BC, cooks created cuisines with medical values and developed Chinese art of cooking,  (use) the nature of food to balance the diet. There were rules on how to arrange daily diet and lists of certain herbs and vegetables that were  (benefit) to the body.

In the Song Dynasty,  was recorded that many diseases could be cured through proper diets. Different foods were sorted according to their original nature. Cold foods  (believe) to remove fever while warm foods reduce running noses.

Knowing the nature of individual foods  (enable) the Chinese to eat right food to protect varieties of inside organs and balance the yin and yang of the body. For example, sour food eases some disorders.  (slight) sweet food relieves illness related to the veins and bitter food helps to cure an overheated body.

Some people think they need to change how they look or act to feel good about themselves. 1  , all you need to do is to change the way you see your body and how you think about yourself. 

The first thing to do is to 2 that your body is your own, no matter what shape, size, or colour it comes in. If you are very 3 about your weight or size, check with your doctor to make sure that things are OK. But it is nobody else's 4 but your own what your body is like—in the end, you have to be 5 with yourself.

Next, identify which aspects of your 6 you can realistically change and which you can't. Everyone, even the most perfect-seeming celebrity (名人), has things about themselves that they can't change and need to 7 like their height or their shoe size.

If there are things about yourself that you want to change and can, do this by making 8  for yourself. For example, if you want to get 9  , make a plan to exercise every day and eat nutritious foods. Then keep track of your progress until you reach your goal. 

Meeting a(n) 10  you set for yourself is a great way to boost self-esteem (自尊) !

When you hear 11  remarks coming from within yourself, tell yourself to stop. Try 12  your self-esteem by giving yourself three compliments (称赞) every day. Every evening, list three things in your day that really gave you 13  . It can be anything from the way the sun felt on your face, the sound of your 14  band, to the way someone laughed at your jokes. By 15  the good things you do and the positive aspects of your life, you can change how you feel about yourself.

Society tells us that you can't teach an old dog new tricks. But it doesn't have to be that way. A new study published in Human Development points out that using a childlike way of learning can help people of any age take on and deal with new difficult tasks. .

Venture (冒险) outside your comfort zone. As adults, we tend to use similar skills day in and day out: We take jobs in fields we're already good at, drive on the same roads to the same places, and fall into routines we're comfortable with. Changing to something more difficult may have more cognitive benefits.

A fear of making mistakes is another reason why adults are so slow to learn new things; if we try and fail, we can face criticism, lose money, or get fired. That's why it's important to build up a support network of people — at work and at home — who allow you to make mistakes and learn from them.

Make a serious commitment and don't give up. If you can afford it, spending money on a new goal — for example, booking a trip to Rome to practice your Italian — might also make it harder to just give up.

Learn more than one thing at once. We tend to pay attention to one hobby or one skill. But dividing that time and energy into three or four areas will stretch your brain in all different directions.  For example, maybe you started learning a new language last year, and this year you add singing lessons, and next year you try something else. You can add things gradually to what you can handle.

A．Turn to your friends and family.

B．The following ways will do the trick.

C．Surround yourself with encouraging people and no fear for mistakes.

D．Telling friends about your new goal can help keep you motivated.

E．But all this similar routine limits the parts of the brain that we're using regularly.

F．That doesn't mean you should start all the new hobbies all at once, though.

G．So feeling comfortable can reduce stress and make you happier and more productive.

When a leafy plant is under attack, it doesn't sit quietly. Back in 1983,two scientists,Jack Schultz and Ian Baldwin, reported that young maple trees (枫树) getting bitten by insects send out a particular smell that neighboring plants can get. These chemicals come from the injured parts of the plant and seem to be an alarm. What the plants send through the air is a mixture of chemicals known as volatile organic compounds,VOCs for short. 

Scientists have found that all kinds of plants give out VOCs when being attacked. It's a plant's way of crying out. But is anyone listening? Obviously. Because we can watch the neighbors react. 

Some plants give out smelly chemicals to keep insects away. But others do double duty. They give out smells designed to attract different insects who are natural enemies to the attackers. Once they arrive, the tables are turned. The attacker who was launching now becomes lunch. 

In study after study, it appears that these chemical conversations help the neighbors. The damage is usually more serious on the first plant, but the neighbors, relatively speaking,stay safer because they heard the alarm and knew what to do. 

Does this mean that plants talk-to-each-other? Scientists don't know. Maybe the first plant just made a cry of pain or was sending a message to its own branches, and so in effect,was talking to itself. Perhaps the neighbors just happened to "overhear" the cry. So information was exchanged,but it wasn't a true, intentional back and forth.

Charles Darwin, over 150 years ago,imagined a world far busier, noisier and more intimate (亲密的) than the world we can see and hear. Our senses are weak. There's a whole lot going on.

Americans like to visit the national parks. In 1996, over 250,000,000 people visited areas which are managed by the National Park Service. Experts say that by 2012, 500,000,000 people per year will visit the parks. As a result, people are trying to think of ways to protect the parks from the crowds.

The crowding of the parks has caused several problems. One is that there is not enough space for all of the people who want to use the parks. To deal with this problem, you may have to book your tickets a few months ahead of time. The Park Service may also raise entrance fees (费) .

Another problem caused by increased park use is pollution. Some garbage and waste can be cleaned up, and the cleanup can be paid for by increased entrance fees. To cut down on noise pollution and air pollution, the number of cars allowed in parks may be limited. If this happens, people may use buses to travel around the parks. Officials may also limit the use of jet-skis, snow- mobiles, motor-boats, and sightseeing helicopters and planes.

The parks may also be in danger because of development that is going on around them. For example, around Yellow Stone Park, many hotels, golf courses, resorts, and other tourist attractions have been built. Some of these developments have effect on areas that are used by animals. People will have to learn to agree about ways to protect the parks. If they do not, there will soon be no reason to visit these national treasures.

Researchers say current exercise guidelines are unrealistic and argue that doctors should sometimes advise small increases in activity instead. They warn the 150-minute weekly target is beyond the reach of some people — particularly older individuals. And striving to reach these goals could mean the benefits of lighter exercise are overlooked. But public health officials say current recommendations have proven benefits in lowering the risk of heart disease.

There is increasing evidence that inactivity is linked to heart disease, Type 2 diabetes(糖尿病) and some types of cancer. UK guidelines for adults recommend at least two-and-a-half hours of moderate activity a week, in short periods of 10 minutes or more.

But in two separate articles in the BMJ, experts argue the message needs to change, with greater emphasis on making inactive people move more. Prof Philipe de Souto Barreto at the University Hospital of Toulouse, advises people who are sedentary(久坐的) to make small incremental increases in their activity levels — rather than pushing to achieve current goals. He points to previous studies which show even short periods of walking or just 20 minutes of vigorous activity a few times a month can reduce the risk of death, compared to people who do no exercise.

In the second article, Prof Phillip Sparking of the Georgia Institute of Technology, says doctors should tailor their advice — particularly for older patients. He suggests using GP visits for people over 60 to discuss "realistic options" to increase activity — such as getting people to stand up and move during TV commercial breaks.

Prof Kevin Fenton at Public Health England, says: "Everyone needs to be active every day — short periods of 10 or more minutes of physical activity have proven health benefits, but getting 150 minutes or more of moderate activity every week is the amount we need to positively impact on a wide range of health conditions. "This includes reducing the risk of heart disease and type 2 diabetes."