Humans and dogs have been working together for thousands of years, and some scientists even believe the two species have been living with one another for thousands of years. While having a dog will not improve your health if you never wanted a dog in the first place, dog lovers can benefit from living with them.
1. Most of us know the benefits of exercise, but it can be a struggle to find the motivation to get up and get moving everyday. A dog provides strong motivations, and can make your daily walk or run less lonely and more fun.Moreover, you'll bum extra calories when helping your dog walk and doing brief training exercises with your dog. For some people, going for walks alone is scary, but a dog can make runs and walks feel more secure.l know that with Ranger.I have to walk him every day, and he's always ready each morning.Sometimes we even have an afternoon or early evening walk, which is better for my health.
2. There's no doubt that dog ownership does come with some stresses, from making sure you've applied their weekly bath to worrying if your dog will get along with the other dogs at the dog park. But the benefits of pet ownership more than outweigh these small stresses. Research shows that a few minutes spent petting an animal. lowers blood levels of the stress hormone, which contributes to tiredness, weight gain and aging, and your pet can help kill its negative effects. A few minutes playing with your dog every day also releases powerful ¨feel-good" hormones that continue to function in the bloodstream.
3. Many people living alone worry about thieves, and a dog can help give owners a sense of security. Thieves are less likely to break into a house with a barking dog, and your dog can help you feel less lonely whether you're just spending the night by yourself or living alone long-term.If your dog is older and struggles to move around, you can still rest easy knowing that your dog will get to a robber before you do.
4. People who have regular positive interactions with others tend to live longer and be happier, and pets provide you with a valuable opportunity to meet and interact with other people. Even if you're shy, it's easy to strike up a conversation with another person if you're both talking about your animals. Visits to the dog park and meet--ups with other pet owners also provide pet owners with opportunities for interactions.If you're still anxious about meeting new people, consider joining a message board or online group for people with similar pets to yours. You'll quickly find yourself making new friends in addition to learning a lot about your best friend - your pet!
5. In a fast-paced, high-stress world, depression and anxiety are at an all-time high. But pet owners have fewer mental illnesses, and animals are even used as treatment for people suffering from mental illness. If you struggle with depression, an animal can help you avoid such problems. The exercise and stress release you get from spending time with your pet may even reduce the effects of depression. Dog owners are also less stressed than people who don't own dogs, and reduced stress is strongly related with lower blood pressure, a longer life span, greater happiness and improved health.
高三英语其他题中等难度题
Humans and dogs have been working together for thousands of years, and some scientists even believe the two species have been living with one another for thousands of years. While having a dog will not improve your health if you never wanted a dog in the first place, dog lovers can benefit from living with them.
1. Most of us know the benefits of exercise, but it can be a struggle to find the motivation to get up and get moving everyday. A dog provides strong motivations, and can make your daily walk or run less lonely and more fun.Moreover, you'll bum extra calories when helping your dog walk and doing brief training exercises with your dog. For some people, going for walks alone is scary, but a dog can make runs and walks feel more secure.l know that with Ranger.I have to walk him every day, and he's always ready each morning.Sometimes we even have an afternoon or early evening walk, which is better for my health.
2. There's no doubt that dog ownership does come with some stresses, from making sure you've applied their weekly bath to worrying if your dog will get along with the other dogs at the dog park. But the benefits of pet ownership more than outweigh these small stresses. Research shows that a few minutes spent petting an animal. lowers blood levels of the stress hormone, which contributes to tiredness, weight gain and aging, and your pet can help kill its negative effects. A few minutes playing with your dog every day also releases powerful ¨feel-good" hormones that continue to function in the bloodstream.
3. Many people living alone worry about thieves, and a dog can help give owners a sense of security. Thieves are less likely to break into a house with a barking dog, and your dog can help you feel less lonely whether you're just spending the night by yourself or living alone long-term.If your dog is older and struggles to move around, you can still rest easy knowing that your dog will get to a robber before you do.
4. People who have regular positive interactions with others tend to live longer and be happier, and pets provide you with a valuable opportunity to meet and interact with other people. Even if you're shy, it's easy to strike up a conversation with another person if you're both talking about your animals. Visits to the dog park and meet--ups with other pet owners also provide pet owners with opportunities for interactions.If you're still anxious about meeting new people, consider joining a message board or online group for people with similar pets to yours. You'll quickly find yourself making new friends in addition to learning a lot about your best friend - your pet!
5. In a fast-paced, high-stress world, depression and anxiety are at an all-time high. But pet owners have fewer mental illnesses, and animals are even used as treatment for people suffering from mental illness. If you struggle with depression, an animal can help you avoid such problems. The exercise and stress release you get from spending time with your pet may even reduce the effects of depression. Dog owners are also less stressed than people who don't own dogs, and reduced stress is strongly related with lower blood pressure, a longer life span, greater happiness and improved health.
高三英语其他题中等难度题查看答案及解析
Dogs and humans have been living side-by-side for about 15,000 years, but there are tons of facts about dogs that perhaps we have never heard of.
Night vision
Dogs have good night vision. Their large pupils let more light in and the rods (视杆细胞) work better in poor light. But the biggest factor is the tapetum (反光组织), which reflect light at the back of the eye. Besides, dogs’ whiskers (胡须) also help them “see” in the dark because they pick up on very small changes in air, providing dogs with information about the size, shape, and speed of things nearby.
Secret tail code
Dogs can use their tails to communicate. They wag their tails to the right when they are relaxed or happy, and to the left when nervous or threatened. When they’ re aggressive, the tails will stick straight-up in the air. A broad wag is friendly while a slow wag is neutral, neither excited nor anxious.
Dreams
We often see a dog’s body making sudden movements in its sleep. Dogs have the same brain wave patterns as humans’ while they are asleep, so they dream just like we do.
Super nose
Dogs can find their way home despite long distances. Their noses are a vital part of their incredible sense of direction. The part of a dog’s brain that controls smell is 40 times larger than humans’. They’re able to follow smells for miles. Furthermore, dogs have an amazing ability to recognize the smells given off by the abnormal cells in human bodies, including cancer. This is something scientists are eager to explore further. And interesting, a dog’s “fingerprint” is on its nose. The patterns on dogs’ noses are so distinct that they can actually be used to identify the animals.
A sixth sense
Dogs act strangely before something bad, like a storm or earthquake, happens, for they are sensitive to low frequencies that humans can’t sense. So don’t let their strange behavior go unnoticed next time. It could save your life.
1.Which of the following indirectly helps dogs see well in the dark?
A. Their rods. B. Their tapetum.
C. Their whiskers. D. Their pupils.
2.If a dog holds up the tail, it indicates ________.
A. happiness B. attack
C. friendliness D. relaxation
3.What hasn’t been discovered about a dog?
A. Why it can sense natural disasters. B. Why it has an acute sense of smell.
C. What emotions it shows with its tail. D. How it can smell humans’ illnesses.
4.In what way are dogs like humans?
A. They dream when they sleep. B. They have good night vision.
C. They have distinct nose patterns. D. They can react to low frequencies.
高三英语阅读理解中等难度题查看答案及解析
Humans have been keeping animals as pets for tens of thousands of years, but Dr. Jean-Loup Rault, an animal scientist at the University of Melbourne in Australia, believes new companions are coming: robot pets.
“Technology is moving very fast,” Rault told ABC News, “The Tamagotchi in the early 1990s was really the first robotic pet, and now Sony and other big companies have improved them a lot.”
This may not sit well with pet lovers. After all, who would choose a plastic toy over a lovely puppy? But Rault argues that the robotic kind has a lot going for it: “You don’t have to feed it, you don’t have to walk it, it won’t make a mess in your house, and you can go on a holiday without feeling guilty.” The technology also benefits those who are allergic to pets, short on space, or fearful of real animals.
It’s not clear whether robot pets can replace real ones. But studies do suggest that we can bond with these smart machines. People give their cars names and kids give their toy animals life stories. It’s the same with robots. When Sony stopped its repair service for its robot dog Aibo in March 2014, owners in Japan held funerals.
As an animal welfare researcher, Rault is concerned about how robotic pets could affect our attitudes towards live animals. “If we become used to a robotic companion that doesn’t need food, water or exercises, perhaps it will change how humans care about other living beings,” he said.
So are dogs and cats a thing of the past, as Rault predicts? For those who grew up with living and breathing pets, the mechanical kind might not do. But for our next generation who are in constant touch with smart technology, a future in which lovely pets needn’t have a heartbeat might not be a far-fetched dream.
1.What does the underlined phrase “sit well with” means?
A. be refused by B. be beneficial to
C. make a difference to D. receive support from
2.What are the advantages of robot pets?
a. They are plastic and feel smooth.
b. Owners needn’t worry about them when going out.
c. They can help cure allergies.
d. They save space and costs.
A. ab. B. bc. C. bd. D. cd.
3.The passage mainly tells us ______.
A. the advantages of robot toys B. the popularity of robot pets
C. living pets are dying out D. robot pets are coming
高三英语阅读理解中等难度题查看答案及解析
Humans have been keeping animals as pets for tens of thousands of years, but Dr Jean-Loup Rault, an animal scientist at the University of Melbourne in Australia, believes new companions are coming: robot pets.
“Technology is moving very fast,” Rault told ABC News, “The Tamagotchi in the early 1990s was really the first robotic pet, and now Sony and other big companies have improved them a lot.”
This may not sit well with pet lovers. After all, who would choose a plastic toy over a lovely puppy? But Rault argues that the robotic kind has a lot going for it: “You don’t have to feed it, you don’t have to walk it, it won’t make a mess in your house, and you can go on a holiday without feeling guilty.” The technology also benefits those who are allergic to pets, short on space, or fearful of real animals.
It’s not clear whether robot pets can replace real ones. But studies do suggest that we can bond with these smart machines. People give their cars names and kids give their toy animals life stories. It’s the same with robots. When Sony stopped its repair service for its robot dog Aibo in March 2014, owners in Japan held funerals.
As an animal welfare researcher, Rault is concerned about how robotic pets could affect our attitudes towards live animals. “If we become used to a robotic companion that doesn’t need food, water or exercises, perhaps it will change how humans care about other living beings,” he said.
So are dogs and cats a thing of the past, as Rault predicts? For those who grew up with living and breathing pets, the mechanical kind might not do. But for our next generation who are in constant touch with smart technology, a future in which lovely pets needn’t have a heartbeat might not be a far-fetched dream.
1.What does the underlined phrase “sit well with” means?
A. be refused by B. be beneficial to
C. make a difference to D. receive support from
2.What are the advantages of robot pets?
a. They are plastic and feel smooth.
b. Owners needn’t worry about them when going out.
c. They can help cure allergies(过敏).
d. They save space and costs.
A. ab B. bc
C. bd D. cd
3.We can learn from the passage that___________.
A. Sony is the first company to produce robot pets Aibo.
B. People can develop strong bond(联系、关系) with their robot pets.
C. Rault thinks robot pets still have a long way to go.
D. Robot toys may help people care more about living beings.
4.The passage mainly tells us___________.
A. the advantages of robot toys B. the popularity of robot pets
C. living pets are dying out. D. robot pets are coming.
高三英语阅读理解中等难度题查看答案及解析
Humans have been keeping animals as pets for tens of thousands of years, but Dr Jean-Loup Rault, an animal scientist at the University of Melbourne in Australia, believes new companions are coming: robot pets.
“Technology is moving very fast,” Rault told ABC News, “The Tamagotchi in the early 1990s was really the first robotic pet, and now Sony and other big companies have improved them a lot.”
This may not sit well with pet lovers. After all, who would choose a plastic toy over a lovely puppy? But Rault argues that the robotic kind has a lot going for it: “You don’t have to feed it, you don’t have to walk it, it won’t make a mess in your house, and you can go on a holiday without feeling guilty.” The technology also benefits those who are allergic to pets, short on space, or fearful of real animals.
It’s not clear whether robot pets can replace real ones. But studies do suggest that we can bond with these smart machines. People give their cars names and kids give their toy animals life stories. It’s the same with robots. When Sony stopped its repair service for its robot dog Aibo in March 2014, owners in Japan held funerals.
As an animal welfare researcher, Rault is concerned about how robotic pets could affect our attitudes towards live animals. “If we become used to a robotic companion that doesn’t need food, water or exercises, perhaps it will change how humans care about other living beings,” he said.
So are dogs and cats a thing of the past, as Rault predicts? For those who grew up with living and breathing pets, the mechanical kind might not do. But for our next generation who are in constant touch with smart technology, a future in which lovely pets needn’t have a heartbeat might not be a far-fetched dream.
1.What does the underlined phrase “sit well with” means?
A. be refused by B. be beneficial to
C. make a difference to D. receive support from
2.What are the advantages of robot pets?
a. They are plastic and feel smooth.
b. Owners needn’t worry about them when going out.
c. They can help cure allergies(过敏).
d. They save space and costs.
A. ab B. bc C. bd D.cd
3.We can learn from the passage that___________.
A. Sony is the first company to produce robot pets Aibo.
B. People can develop strong bond(联系、关系) with their robot pets.
C. Rault thinks robot pets still have a long way to go.
D. Robot toys may help people care more about living beings.
4.The passage mainly tells us___________.
A. the advantages of robot toys
B. the popularity of robot pets
C. living pets are dying out
D. robot pets are coming
高三英语阅读理解中等难度题查看答案及解析
Humans have been keeping animals as pets for tens of thousands of years, but Dr. Jean-Loup Rault, an animal scientist at the University of Melbourne in Australia, believes new companions are coming: robot pets.
“Technology is moving very fast,” Rault told ABC News, “The Tamagotchi in the early 1990s was really the first robotic pet, and now Sony and other big companies have improved them a lot.”
This may not sit well with pet lovers. After all, who would choose a plastic toy over a lovely puppy? But Rault argues that the robotic kind has a lot going for it: “You don’t have to feed it, you don’t have to walk it, it won’t make a mess in your house, and you can go on a holiday without feeling guilty.” The technology also benefits those who are allergic to pets, short on space, or fearful of real animals.
It’s not clear whether robot pets can replace real ones. But studies do suggest that we can bond with these smart machines. People give their cars names and kids give their toy animals life stories. It’s the same with robots. When Sony stopped its repair service for its robot dog Aibo in March 2014, owners in Japan held funerals.
As an animal welfare researcher, Rault is concerned about how robotic pets could affect our attitudes towards live animals. “If we become used to a robotic companion that doesn’t need food, water or exercises, perhaps it will change how humans care about other living beings,” he said.
So are dogs and cats a thing of the past, as Rault predicts? For those who grew up with living and breathing pets, the mechanical kind might not do. But for our next generation who are in constant touch with smart technology, a future in which lovely pets needn’t have a heartbeat might not be a far-fetched dream.
1.What does the underlined phrase “sit well with” means?
A. be refused by B. be beneficial to
C. make a difference to D. receive support from
2.What are the advantages of robot pets?
a. They are plastic and feel smooth.
b. Owners needn’t worry about them when going out.
c. They can help cure allergies.
d. They save space and costs.
A. ab B. bc C. bd D.cd
3.We can learn from the passage that___________.
A. Sony is the first company to produce robot pets Aibo.
B. People can develop strong bond with their robot pets.
C. Rault thinks robot pets still have a long way to go.
D. Robot toys may help people care more about living beings.
4.The passage mainly tells us___________.
A. the advantages of robot toys
B. the popularity of robot pets
C. living pets are dying out.
D. robot pets are coming.
高三英语阅读理解中等难度题查看答案及解析
Humans have sewn by hand for thousands of years. It was said that the first thread was made from animal muscle and sinew (腱). And the earliest needles were made from bones. Since those early days, many people have been involved in the process of developing a machine that could do the same thing more quickly and with greater efficiency.
Charles Wiesenthal, who was born in Germany, designed and received a patent on a double-pointed needle that eliminated the need to turn the needle around with each stitch (缝合) in England in 1755. Other inventors of that time tried to develop a functional sewing machine, but each design had at least one serious imperfection. Frenchman Barthelemy Thimonnier finally engineered a machine that really worked. However, he was nearly killed by a group of angry tailors when they burned down his garment factory. They feared that they would lose their jobs to the machine.
American inventor Elias Howe, born on July 9, 1819, was awarded a patent for a method of sewing that used thread from two different sources. Howe’s machine had a needle with an eye at the point, and it used the two threads to make a special stitch called a lockstitch. However, Howe faced difficulty in finding buyers for his machines in America. In frustration, he traveled to England to try to sell his invention there. When he finally returned home, he found that dozens of manufacturers were adapting his discovery for use in their own sewing machines.
Isaac Singer, another American inventor, was also a manufacturer who made improvements to the design of sewing machines. He invented an up-and-down-motion mechanism that replaced the side-to-side machines. He also developed a foot treadle(脚踏板) to power his machine. This improvement left the sewer’s hands free. Undoubtedly, it was a huge improvement of the hand-cranked machine of the past. Soon the Singer sewing machine achieved more fame than the others for it was more practical, it could be adapted to home use and it could be bought on hire-purchase. The Singer sewing machine became the first home appliance, and the Singer company became one of the first American multinationals.
However, Singer used the same method to create a lockstitch that Howe had already patented. As a result, Howe accused him of patent infringement(侵犯). Of course, Elias Howe won the court case, and Singer was ordered to pay Howe royalties(版税). In the end, Howe became a millionaire, not by manufacturing the sewing machine, but by receiving royalty payments for his invention.
1.Barthelemy Thimonnier’s garment factory was burned down because _____________.
A. people did not know how to put out the fire
B. Elias Howe thought Thimonnier had stolen his invention
C. the sewing machines was couldn’t work finally
D. workers who feared the loss of their jobs to a machine set fire
2.Which of the following is NOT TRUE according to the passage?
A. Singer is an American inventor and manufacturer.
B. The Singer sewing company became more practical.
C. The foot treadle helped to make the sewer’s hands free.
D. Singer made improvements to the design of sewing machines.
3.Why did the court force Isaac Singer to pay Elisa Howe a lifetime of royalties?
A. Because the judge was against Singer for his surly attitude.
B. Because Howe had already patented the lockstitch used by Singer.
C. Because Singer had borrowed money from Howe and never repaid it.
D. Because Singer and Howe had both invented the same machine.
4.Which of the following would be the best title for this passage?
A. A Stitch in Time Saves Nine
B. The Case between Howe and Singer
C. Patent Laws on the Sewing Machine
D. The Early History of the Sewing Machine
高三英语阅读理解困难题查看答案及解析
–What have been doing _______? I’ve been so little of you.
--I have to leave early for work and comes home very ________.
A.late; lately | B.late; late | C.lately; late | D.lately; lately |
高三英语单项填空简单题查看答案及解析
Dear Coach,
I have been out of work for almost six months now and things are starting to get very tough for me. I am practically living out of my savings. I have been looking for a job, but things are really bad and 1 cannot find a single person who wants to hire me. I know that the main problem is that I do not have a degree. I want to go back to school and get my degree, but I also need a job now. I owe money to some people who have been helping me. Because I am out of work,I cannot pay them back. What do you think 1 should do? I need to find a job as quickly as possible, and want to know what else to do to get people to give me a chance to work for them.
The Unemployed
Dear Unemployed,
Before you get yourself in a really bad situation, you need to stop borrowing money from people. If you continue doing that, you will be deep in debts and the situation will get even worse for you. The next thing you need to do is look for a job depending on your abilities, skills, and experience. By doing that, you will be increasing your chances of finding a job that suits you best. And the last thing I will suggest is that you should stop feeling sorry for yourself and continue working hard to get a job that you need. Borrowing money, complaining, and feeling bad for your situation will do no good to you. Stay strong and get out there and start showing the world what you can offer. I promise if you work hard and never give up, you will soon find the job that you are looking for. And while you are doing it, thing about getting your degree as well because it will help you to become more challenging. Try those tips.
The Coach
1.Why did the unemployed write to the coach?
A. To ask for some advice.
B. To tell his great difficulty.
C. To ask for a job.
D. To ask the coach to pay back his money.
2.The unemployed couldn’t find a job mainly because .
A. he always borrowed money
B. he didn’t have a degree
C. he didn’t work well
D. he didn’t get on well with others
3.The coach told the unemployed to stop borrowing money so as to .
A. save more money B. be able to get back to school
C. avoid running into deep debts D. prevent people laughing at him
高三英语阅读理解中等难度题查看答案及解析
One step too far
Scientists have been trying to figure out how to alter the genes of humans for many years now, and it looks like they've finally cracked (破解) the code. But while this may seem like a great step forward in science, some also believe that it's one step back when it comes to ethics.
In August, a group of scientists from the US and South Korea worked together to successfully edit a human embryo and remove a genetic mutation (突变) that would have led to heart disease, reported The Guardian.
This was achieved with the help of CRISPR, a gene-editing tool that allows scientists to “cut and paste” human DNA.
Although this was the first example of an embryo's genes being changed successfully, the benefits of gene editing have already been tested in living patients.
In 2015, a five-month-old girl from the UK was saved after doctors used edited cells to fight off her cancer. As of today, she's alive and well.
And in the US last year, scientists managed to remove HIV cells from several patients by editing the genes inside their bodies.
Some people hope that in the future, diseases or birth detects could simply be “edited out”. However, others believe this could lead to so-called designer babies, giving parents the option to choose everything from eye color to intelligence.
“You could find wealthy parents buying the latest ‘upgrades’ for their children, leading to even greater inequality than we already live with,” Marcy Darnovsky, director of the San Francisco Center for Genetics, told BBC News.
In spite of these ethical concerns, experts say it’s not possible to create the “perfect” human being. Despite the progress scientists have made, we don’t understand human genes enough to give all unborn child great brainpower or amazing singing abilities.
“Right now, we know nothing about genetic enhancement,” Hank Greely, a director of sciences at Stanford University, US, told The New York Times. “We’re never going to be able to say, honestly, ‘This embryo looks like it would score high on the two-part SAT.’”
So it looks like if we want good exam results, or to impress people with our piano skills, we’ll have to stick with the old fashioned method of plain hard work — at least for now.
1.The underlined word “alter” in Paragraph 1 probably means ______.
A.record
B.change
C.remove
D.increase
2.Why do some people consider human gene editing a step backwards? ______
A.They don't think it is an effective way to light diseases.
B.They are concerned that it could lead to genetic mutations.
C.They think it could lead to designer babies and increased inequality.
D.They worry that it could make parents abandon children with birth defects.
3.What was the first successful example of human embryo gene editing? ______
A.A genetic mutation related to heart disease was removed by scientists
B.A newborn baby with cancer was saved by edited cells.
C.HIV cells were removed from patients’ bodies.
D.Some birth defects were simply edited out.
4.What can we conclude from the text? ______
A.Gene editing is regarded as the perfect way to treat birth defects.
B.There is still a long way to go to fully understand human genes.
C.Gene editing could help enhance human intelligence in the near future.
D.Scientists are pessimistic about the future of gene editing.
高三英语阅读理解困难题查看答案及解析