题目内容
Eating a diet high in processed food(加工食品)increases the risk of depression，research suggests．What's more，peopie who ate plenty of vegetables，fruit and fish actually had a lower risk of depression，the University College London team found．
Data on diet among 3，500 middle-aged civil servants(公务员)were compared with their emotional state five years later，a British journal reported．They split the participants into two types of diet--those who ate a diet largely based on whole food，which inc!udes lots of fruit， vegetables and fish，and those who ate a mainly processed food diet，such as sweetened desserts，fried food，processed meat，refined grains and high fat dairy products After accounting for factors such as gender，age，education，physical activity，smoking habits and chronic(慢性的) diseases，they found a significant difference in the future depression risk with the different diets．
Those who ate the most wholefood had a 26％ lower risk of future depression than those who ate the least wholefood．By contrast，people with a diet high in processed food had a 58％ higher risk of depression than those who ate a diet low in processed foods．
Study author Dr. Archana SinghManoux pointed out there was a chance the finding could be explained by fl lifestyle factor they had not accounted for．
There was a paper showing a Mediterranean diet was associated with a lower risk of depression，but the problem with that is if you live in Britain，the likelihood(可能性)of you eating a Mediterranean diet is not very high．
Dr．Andrew McCulloeh，chief executive of the Mental Health Foundation，said，this study adds to an existing body of solid research that shows the strong links between what we eat and our mental health．
He added people's diets were becoming increasingly unhealthy．The UK population is consuming less nutritious，fresh produce and more saturated(含饱和脂肪酸的)fats and sugars．
【小题1】The text is mainly about .
| A．the increasingly unhealthy diet of the UK population |
| B．the link between processed food and depression |
| C．the relationship between physical and mental health |
| D．fl healthy diet largely based on wholefood |
| A．They are of different ages from young to old． |
| B．They have been eating fl less heal thy diet these years． |
| C．Most of them prefer wholefood to processed food． |
| D．Those who ate wholefood generally were happier in the long term． |
| A．It is difficult for most British people to have a Mediterranean diet． |
| B．The Mediterranean diet is the most healthy in the world． |
| C．Many studies have been done on the Mediterranean diet before． |
| D．The Mediterranean diet is not good for depression． |
| A．our diets are closely related to our mental health |
| B．the present study needs more facts and other information |
| C．the UK population will become ill in the near future |
| D．more saturated fats and sugars should be taken in |
| A．To tell people what a healthy diet actually is． |
| B．To prove people’s diets are increasingly unhealthy． |
| C．To encourage people to cut down on proceased food． |
| D．To introduce some experts on the research team． |
【小题1】B
【小题2】D
【小题3】A
【小题4】A
【小题5】C
解析
For photographers lacking training, experience and even the ability to click a shutter button, they produce remarkable pictures．Under the sea, deep in the woods and high in the sky, furry, feathery and leathery-skinned creatures are opening up vistas（远景）by taking cameras where no human can go．
This is the world of animal-borne imagine celebrated last month at a conference sponsored(supported) by the National Geographic Society for the 20th anniversary of its Crittercam, the device that started it all．
Since its debut（首次公开露面）in 1987 on the back of a turtle, the Crittercam and similar devices developed by others have grown smaller and more powerful．
“It’s more than just a camera now,” said Greg Marshall, the marine biologist and now filmmaker who invented the Crittercam．“We are now including more instruments to gather more data while at the same time reducing everything in size．”
The idea of attaching video cameras to animals came to Mr．Marshall in 1986 on a dive off Belize when a shark apporached him．When the animal quickly turned away, he noticed a shark with a sucker fish on its belly．He came up with the idea that putting a camera in place of the sucker fish would allow people to witness the shark’s behavior without disturbing it．
Crittercams have been attached to sharks, sea lions and other marine animals, and, more recently, to land animals．
Birds are a new addition, Mr．Marshall said．Dr．Christian Rutz of Oxford recently reported on tiny cameras called feathercams that monitor the crows in the South Pacific．It has discovered that crows are smarter than anyone knew they not only use twigs（嫩枝）and grass stems as tools to root out food, but they also save their favorite tools to use again．
Tracey L．Rogers, director of the Australian Marine Mammal Research Center in Sydney, said crittercam was a powerful tool in her work with leopard seals（豹斑海豹）in Antarctica．“In studying animals,” Dr．Rogers said at the meeting, “you want to see how our animal models align（与……一致）with reality．With a camera, you actually see what they do．You don’t have to guess．”
【小题1】What’s the text mainly about?
| A．The advantages of crittercam． |
| B．The development of Crittercams in the past 20 years． |
| C．How crittercam was invented． |
| D．How crittercam works． |
| A．The sight of sucker fish clinging to a shark on a dive． |
| B．The thought of how to photograph animals better． |
| C．Noticing a shark eating a sucker fish on a dive． |
| D．Seeing a shark with a camera on its belly on a dive． |
| A．can clear up all your doubts about animals |
| B．is the most powerful tool in studying animals |
| C．enabled her to observe the crows in the South Pacific closely |
| D．helped a lot with her research on leopard seals in Antarctica |
| A．the size is becoming smaller |
| B．more instruments are involved to gather more data |
| C．they allow researchers to see where and how animals live |
| D．they are able to be applied to smaller animals such as birds |
Work your brain!
Between 2 and 3 pounds of wonder, it controls everything we say, do or think, who we are and what we care about. The way we walk or laugh or figure out things. What we like and the talents we possess. How we see and talk and run and jump and process our food.
The brain uses 20 percent of our body’s oxygen and 20 percent of its blood. Somewhere within its protein, fat, 100,000 miles of blood vessels and 100 billion nerve cells, it helps us remember where we put our gym shoes. Change our temperature so we don’t die because of the heat or cold. Speed us up or slow us down. Help us choose between orange juice or orangeflavored drinks.
Its complexity are stunning, far beyond anything most of us can imagine. To keep this work of art as polished as possible we need to eat right, exercise and keep mentally stimulated. Good nutrition helps brain cells communicate with each other. Exercise stimulates a hormone in our brain that improves memory. Mental stimulation keeps you sharp even as you age.
“It’s very important that we tell people to be physically active and mentally active,” said neurologist Malcolm Stewart.“People cannot stop aging, but you’re able to reduce the damage; you’re able to keep the function up.”
Following are Dr. Stewart’s advice for improving brain health：
|
Nutrition |
Avoid fast food. Follow the old adage(格言): For breakfast, eat like a king; for lunch, like a queen; for supper, like a beggar. |
|
Exercise |
Do a combination of stretching aerobic and muscle strengthening every day. |
|
Mental games |
Try to have a sense of hope about the future. Do puzzles. Listen to music. Reach out to others to make their lives better. |
1.The purpose of the author in writing this passage is to ______.
A. inform us how the brain works
B. give us advice on how to keep the brain healthy
C. tell us that the brain plays an important role in our lives
D. show how special the brain is to us
2.The underlined word “stunning” means ______.
A. interesting B. strange C. significant D. amazing
3.According to the text，more exercise ______.
A. keeps our mind sharp
B. helps improve our memory
C. gives our brain a rest
D. is good for brain cells communicating with each other
4.In order to keep brain healthy，we should avoid ______.
A. eating a good lunch B. doing puzzles
C. eating a large supper D. taking aerobic exercise
Eating a diet high in processed food increases the risk of depression, research suggests. What's more, people who ate plenty of vegetables, fruit and fish actually had a lower risk of depression, the University College London team found.
Data on diet among 3,500 middle-aged civil servants were compared with their emotional state five years later, a British journal reported. They split the participants into two types of diet--those who ate a diet largely based on whole food，which includes lots of fruit, vegetables and fish，and those who ate a mainly processed food diet, such as sweetened desserts, fried food, processed meat，refined grains and high fat dairy products After accounting for factors such as gender, age, education, physical activity, smoking habits and chronic(慢性的) diseases, they found a significant difference in the future depression risk with the different diets.
Those who ate the most wholefood had a 26% lower risk of future depression than those who ate the least wholefood. By contrast, people with a diet high in processed food had a 58％ higher risk of depression than those who ate a diet low in processed foods.
Study author Dr. Archana Singh Manoux pointed out there was a chance that the finding could be explained by lifestyle factor they had not accounted for. He also pointed in a paper that a Mediterranean diet was associated with a lower risk of depression, but the problem with that is if you live in Britain, the likelihood of you eating a Mediterranean diet is not very high.
Dr．Andrew McCulloeh, chief executive of the Mental Health Foundation, said, this study adds to an existing body of solid research that shows the strong links between what we eat and our mental health.
He added people's diets were becoming increasingly unhealthy. The UK population is consuming less nutritious, fresh produce and more saturated fats and sugars.
1.The text is mainly about .
|
A．the increasingly unhealthy diet of the UK population |
|
B．the link between processed food and depression |
|
C．the relationship between physical and mental health |
|
D．the emotional state of the British People |
2.What do we know about the participants?
|
A．They are of different ages from young to old. |
|
B．They are from different walks of life. |
|
C．They chose the diet they preferred. |
|
D．Their state are also affected by other factors. |
3.What can we learn from what Dr. Archana Singh Manoux said?
|
A．It is difficult for most British people to have a Mediterranean diet. |
|
B．The Mediterranean diet is the most healthy in the world. |
|
C．Many studies have been done on the Mediterranean diet before. |
|
D．The Mediterranean diet is not good for depression. |
4.Dr. Andrew McCulloch agrees that .
|
A．our diets are closely related to our mental health |
|
B．the present study needs more facts and other information |
|
C．the UK population will become ill in the near future |
|
D．more saturated fats and sugars should be taken in |
5.Why might the author have written this text?
|
A．To tell people what a healthy diet actually is. |
|
B．To prove people’s diets are increasingly unhealthy. |
|
C．To encourage people to cut down on processed food. |
|
D．To introduce some experts on the research team. |