Crossing your legs is an extremely common habit; most people don't even notice that they're doing it when they sit down. While you may find it comfortable to sit with one knee crossed over the other, it might be causing health problems that you are not aware of.
A study published in Blood Pressure Monitoring stated that sitting with your legs crossed can increase your blood pressure. The reason for this is that the blood in your legs has to work against gravity to be pumped back to your heart and that crossing one leg over the other increases resistance(阻力), making it even harder for the blood to circulate. This causes your body to increase your blood pressure to push the blood back to the heart. You won't feel any immediate effects, but repeated, drawn-out increases in blood pressure can cause long-term health problems. So, planning to sit for a long period of time? Don't keep your legs crossed.
Crossing your legs at the knee can also cause pressure on the major nerve in your leg that passes just below your knee and along the outside of your leg, explains Richard Graves, a medical expert. This pressure can cause numbness and temporary paralysis (麻痹) of some of the muscles in your foot and leg, preventing you from being able to raise your ankle—what we know as that “pins and needles” sensation. While the feeling of discomfort may only last a minute or two, repeatedly crossing your legs until they feel numb can cause permanent nerve damage.
So next time you sit down, try to get yourself in the habit of sitting with both of your feet on the floor. Not only will it help your posture and stability, but it will also save your health in the long run.
1.What can we learn about crossing one's legs?
A.It is a very bad social habit.
B.It is usually practiced on purpose.
C.It can do harm to people's health.
D.It can make others feel uncomfortable.
2.According to the study, sitting with your legs crossed can______.
A.affect your blood pressure
B.resist gravity effectively
C.lead to heart attacks easily
D.improve the function of legs
3.In the third paragraph "pins and needles" probably means______.
A.slight sharp pains
B.being a little nervous
C.serious muscle injuries
D.being highly flexible
4.What is the main purpose of the text?
A.To compare common habits.
B.To give readers some advice.
C.To evaluate effects of an experiment.
D.To introduce research methods.
高二英语阅读选择中等难度题
Crossing your legs is an extremely common habit; most people don't even notice that they're doing it when they sit down. While you may find it comfortable to sit with one knee crossed over the other, it might be causing health problems that you are not aware of.
A study published in Blood Pressure Monitoring stated that sitting with your legs crossed can increase your blood pressure. The reason for this is that the blood in your legs has to work against gravity to be pumped back to your heart and that crossing one leg over the other increases resistance(阻力), making it even harder for the blood to circulate. This causes your body to increase your blood pressure to push the blood back to the heart. You won't feel any immediate effects, but repeated, drawn-out increases in blood pressure can cause long-term health problems. So, planning to sit for a long period of time? Don't keep your legs crossed.
Crossing your legs at the knee can also cause pressure on the major nerve in your leg that passes just below your knee and along the outside of your leg, explains Richard Graves, a medical expert. This pressure can cause numbness and temporary paralysis (麻痹) of some of the muscles in your foot and leg, preventing you from being able to raise your ankle—what we know as that “pins and needles” sensation. While the feeling of discomfort may only last a minute or two, repeatedly crossing your legs until they feel numb can cause permanent nerve damage.
So next time you sit down, try to get yourself in the habit of sitting with both of your feet on the floor. Not only will it help your posture and stability, but it will also save your health in the long run.
1.What can we learn about crossing one's legs?
A.It is a very bad social habit.
B.It is usually practiced on purpose.
C.It can do harm to people's health.
D.It can make others feel uncomfortable.
2.According to the study, sitting with your legs crossed can______.
A.affect your blood pressure
B.resist gravity effectively
C.lead to heart attacks easily
D.improve the function of legs
3.In the third paragraph "pins and needles" probably means______.
A.slight sharp pains
B.being a little nervous
C.serious muscle injuries
D.being highly flexible
4.What is the main purpose of the text?
A.To compare common habits.
B.To give readers some advice.
C.To evaluate effects of an experiment.
D.To introduce research methods.
高二英语阅读选择中等难度题查看答案及解析
How old is “old” ?
How old is “old” ? 1.Two hundred years ago, you were old at 35. That was the average life then. At the turn of this century, as medical knowledge advanced, the average life span(长度) increased to 45. In 1950, 70-year-olds were really old. Today, a healthy 70-year-old is looking forward to many more active years.
So, how old is old? The answer is one you’ve heard many times, from all sorts of people. “You are as old (or young) as you feel!” The calendar(日历) simply tells you how many years you have lived. 2.
Once an unknown author wrote , “ 3.Nobody grows old by living a number of years; people grow old by giving up their goals.”
4.Alice Brophy, when she was with the New York City commission for the Aging, said, “It upsets me when people say, ‘Gee, you look young for your age!’ What does that mean? Is there some model that you’re supposed to look a certain way at 65 and 75 and 85? You know you can die old at 30 and live young at 80.”
There are many wrong ideas about aging. 5.Here are some of the more common ones. For example, most older people are in poor health, or older people are unable to change.
A.Old is a point of view.
B.It’s extremely terrible to be grown old.
C.The answer has changed over the years.
D.Your body tells you how well you’ve lived.
E.Older people are stubborn, unable to change.
F.Youth is not a time of life but it is a state of mind.
G.These ideas stereotype (固化) people on the basis of age.
高二英语七选五中等难度题查看答案及解析
In Canada, volunteering is extremely common among people of all ages. They believe that being helpful is one of the most important1.(quality) to have. There are many forms of voluntary work and opportunities to help are everywhere,2.(include) schools or people’s gardens.
I’m volunteering for a foundation to assist the teacher there. I’m in charge of3.preschool class, where students are aged from 3 to 6. When I first started, I was quite nervous as I’d never worked with little kids before. As time went on, I4.(become) more familiar with them. One teacher asked me to help the5.(young)girl in the class draw a picture6.(base) on the word “grateful”. As I was drawing and talking with her, I7. (gradual) felt warm and peaceful, and I realized8.was not that difficult to work with children. When the class was over, I felt really excited and even a bit proud of 9. had been done.
Volunteering gives us not only an opportunity to change someone’s life but also the satisfaction of helping others. It is also a great way to develop social skills and10.(value) experience for our future.
高二英语短文填空中等难度题查看答案及解析
Making words shorter is a common habit of English speakers today.
It seems that most sayings or popular words have their own abbreviation. 1. For example, LOL stands for “laughing out loud”,IMO is “in my opinion” and BTW is “by the way”. US technology website Lifewire made a list of the most common abbreviations in 2016.
Simple ones you may already know - like BTW, IMO and IDK (I don’t know) made the list. 2. They include TFW (that feeling when), and FTW (for the win). TFW is sometimes used along with a funny photo to describe your feelings, while FTW is a kind of internet cheer used to express happiness. 3. You can use this one before you tell someone what you think about something.
4. Terry Wood, a foreign language teacher from Leonardtown, US, says the habits have lowered his students’ writing abilities. “They do not capitalize (大写) words or use punctuation anymore,” Wood told US News. “5.”
A. The list is meant to be good fun.
B. Another interesting learn is IMHO (in my humble opinion).
C. But there were lots of other more difficult ones on the list, too.
D. This happens a lot when they are used on social media or in a text message.
E. Any word longer than one syllable (音节) is now abbreviated to one.
F. Researchers identified several ways in which teens changed language while speaking online.
G. However, some people believe these abbreviations are also causing problems.
高二英语七选五中等难度题查看答案及解析
Nail-biting(咬指甲) is one of the most common annoying habits in children. 1. But you needn’t worry too much and as soon as you realize what’s causing nail-biting, you can help your child overcome and stop it. So, here’s what you can do about it.
2. In some cases, children won’t even realize they are biting their nails, let alone know why they are doing it. So make sure you have a conversation with your child (if he/she is old enough) and make him/her realize he/she is doing it and try to figure out why it’s happening. 3. It’s important to agree on the level of your involvement. If he/she wants help, create a secret reminder that will make him/her stop without embarrassing him/her.
Give alternatives (替代物).4. Depending on the age of the child, there are several things that you can offer such as a small ball, Play-Doh games, or any kind of other small toys.
Use bitter solutions(溶液). Forcing a child to keep this solution on his/her fingers may feel like a punishment. 5. Everything else will only lead to embarrassment and discouragement. Furthermore, some of these solutions contain pepper which burns if it enters a child’s mouth or eyes. But if you have an adolescent child who wants to quit biting his/her nails, you may suggest and try out this solution.
A.It’s also likely to continue as the child grows up.
B.Help the child become aware of the habit.
C.You should also consider asking for professional help.
D.Make an agreement on how you’re going to stop it together.
E.The best thing children can do is communicate with their parents.
F.The child needs to go through the process painlessly and in agreement with you.
G.That will keep his/her hands occupied when he/she is likely to bite his/her nails.
高二英语七选五困难题查看答案及解析
Every day,it is easy to see advertisements in English all around us.Look at your own bags and clothes,and at the bags and clothes of your classmates.How many different advertisements can you see which use English words?
Often bags and clothes show the name of the company that made them.This is a popular form. A special picture or symbol called a logo(标识语) is sometimes used Logos appear on many different products. They are popular because when you see a logo, it is hard to forget that product or company.
It is common to see advertisements on TV and hear them on the radio. Most advertisements are very short sometimes. The advertisers use a short sentence which is easy for people to say and remember. Nike, for example, has a simple English sentence which is used all around the world: “Just do it.” Advertisements often use funny situations as well. It is simple to remember it.
All advertisements are designed to make people buy a product. An advertisement for a soft drink, for example, might show a group of young people who are having fun. The young people are all drinking the soft drink. Advertisers are saying to you, “Why don’t you buy this drink and be like these people? You can be young and modern.”
You might think that advertisements are not after you, but the next time you buy a soft drink, ask yourself this question:Why am I buying this particular product?
1.A good logo is ______ .
A.easy to remember B.a useful product C.difficult to understand D.easy to buy
2.People are most likely to remember an advertisement that is ______ .
A.English B.long C.funny D.new
3.The best title of this passage might be ______ .
A.Advertisements for Bags and Clothes B.Advertisements on TV and Radio
C.Advertisements for Soft Drinks D.Advertisements around Us
高二英语阅读选择简单题查看答案及解析
As is often the case, it is human nature to lead a sedentary(久坐的)lifestyle and most of us are so involved in our busy schedules that we don't even notice our bad habits. Many worry about the right time or "right age" to start working out. 1. Here're some practical tips to help you get fit.
Master your mind. Most people argue that they are too tired or old to start exercising. Doing so is much easier than trying to change the busy lifestyle. Change your mindset and be more confident in improving your health. 2.
Easy does it. Once you have chosen a fitness program, start slowly and increase it in stages. Begin with just a few minutes of gentle exercises and stretches. 3. About 30 minutes should be devoted to your workout. As your body starts to respond and your muscles get used to the exercises, you can gradually increase the length of your workout.
Always warm up. Always remember to warm up your muscles before exercising. Gentle warm-ups will reduce your risk of injury, aches and pains, and increase blood circulation and flexibility.
4. There's no quick access to getting fit. It's a common mistake to do too much too soon. If you don't know how to balance your needs and your expectations, you might seriously injure your muscles or just create stress.
Cool down. When you finish your routine, you need to cool your muscles and let your heart rate slow gradually. 5.
A.Don't overload your body.
B.Never ignore your potentials.
C.Tell your body to be more active and say, "I can do it."
D.However, nobody cares about what you have done for them.
E.Go next to some mild activity such as walking, jogging or cycling.
F.Cooling down will help your body to return to its pre-exercise level.
G.But it's never too late for them to start exercising and all they need is enough determination.
高二英语七选五中等难度题查看答案及解析
The mobile phone rule is just common polite behavior. Most people today have a mobile phone. In fact, many people can’t imagine how they ever get along without them. However, many people also complain(抱怨) about mobile phone users. People complain about other people loudly discussing personal matters in public places. They complain when mobile phones ring in movie theaters and concert halls. They complain about people driving too slow, and paying no attention to where they are going because they are talking on a mobile phone. And they complain about people walking around talking to people who aren’t there.
Whenever a new communication technology becomes popular, it changes the way in which society is organized. Society has to invent rules for the polite way to use the new devices(装置). Our rules of politeness for mobile phones are still evolving(发展;使逐渐形成).
The mobile phone rule applies to most public places. Always try to have your phone ring as low as possible or put your mobile phone on the vibration(振动) mode, so it does not distract the people around you. The basic mobile phone rule includes:
1. Switch it off: Turn it off when you have meetings, worship, and so on.
2. Be brief: When you get a call and you’re with friends, keep the call short.
3. Permission: Often, it is correct and polite behavior to inform others at the beginning of the meeting that you are expecting an important call and get their permission.
4. Be polite: Don’t scream — speak in a lower-than-normal voice.
5. Don’t distract: Avoid talking where you may be distracting to others.
6. Driving: It is not only very dangerous, but also unlawful in most countries to drive and talk on your mobile phone.
1.What is the best title for this passage?
A. How to use a mobile phone.
B. Mobile phone rule.
C. The disadvantages of mobile phones.
D. Mobile phones — making them work for us.
2.According to this passage, we can know that the rules for mobile phones are______.
A. far from our satisfaction
B. getting worse
C. making people disappointed
D. developing gradually
3.Which of the tips on using mobile phones properly is mentioned in this passage?
A. Concentrate on what others say.
B. Speak at the top of your voice in order to make yourself heard.
C. Always turn off your mobile phones.
D. Had better not distract others.
4.What is the main purpose of writing the first paragraph?
A. To attract readers to the topic of the passage.
B. To give examples about people’s improper behaviors with mobile phones.
C. To criticize people’s improper behaviors.
D. To show mobile phones have brought people a lot of trouble.
5.What does the word underlined“it” refer to in Paragraph 3?
A. A mobile phone.
B. The ring of the phone.
C. The mobile phone rule.
D. The conversation on the phone.
高二英语阅读理解中等难度题查看答案及解析
When you’re a writer, finishing your book and publishing it is your biggest dream. You’re curious as to how people will react to it, and whether it could sell or not.1.There are either things you want to change about it, or fear about people’s reaction. Still, you shouldn’t let these things stop you from going after your dream. Below are some of the most common fears that new writers face, and how to beat them.
Originality
For many new writers, originality is an issue. Considering there are so many writers out there, it’s hard to know if someone thought of an idea before you did.2.And it’s not really pleasant being seen as a thief. The thing is that it’s hard to come out with something that’s entirely original as well. As long as you put the idea into practice in a different way, it shouldn’t be an issue. As long as you are able to cover a topic deeply, as well as provide a new and unique perspective, that should work.
People’s Opinion
It’s hard not to think about what people will think about your book, as they are the ones who have the final word. One of the biggest fears many writers deal with is how their book will be perceived by readers, and it's human nature to think about the bad stuff first. Not only you’re afraid you won’t get Instagram followers that are fans of the book, but you also fear the book won’t sell.3.So why let this thought kill your mood? A book’s goal is to reframe old information or make new claims, so what people say shouldn’t stop you.
No Time to Write
People get busy, it’s normal. Nevertheless, it shouldn’t stop you from doing what you love.4.You can take that time and use it to write instead. Nobody says that you have to write endless pages in a day – writing a book is a whole process, and nobody is rushing you. Make sure you schedule your time, so you have time to write at least one hour daily.
5.
You want fans to connect with you and it can be disheartening when things like your social following grows slowly. Try using tools such as the best tools for Instagram as a means to get followers.
A.Therefore, you’re at risk of being accused of stealing from someone’s work.
B.Growing your fan base.
C.However, there will always be people disagreeing with you or not liking what you do.
D.Don’t let the details stop you from sharing your story.
E.But sometimes it’s hard hitting that post button, because things are holding you back.
F.You most likely have some spare time that you use doing something else.
G.Communicate with your fans.
高二英语七选五中等难度题查看答案及解析
Most people are aware of what the adoption process is because it has become rather common in our society. Adoption is where a child is legally placed with guardians (监护人) or parents (or perhaps a single parent) other than the birth mother or father. Once an adoption is finalized, all parental rights are turned over to the adoptive parents and there is no legal difference between adoptive parents and natural birth parents. There are generally two types of adoption, which are closed adoption and open adoption.
When an adopted person has access to his or her adoption file and original records, it is referred to as an open adoption. The term is also used to describe any contact that may be between the adoptive family, the birth parents, and the adopted child. The level of openness can change greatly in such contact depending on each individual relationship. There can be indirect contact between the natural birth parents and the child through the form of letters and photographs, or there can be actual physical contact.
A semi-open adoption is where the birth parents may have contact with the adoptive parents before the birth of the child, either once or several times. After the birth there is no more contact. A semi-open adoption may remain as it is or it can become either open or closed.
A closed adoption is where only the medical and historical information about the biological parents is given to the adoptive family. Typically, the birth and adoptive parents do not know each other’s identities. The record of the birth parents is kept sealed (密封). A closed adoption is usually only effective in the adoption of babies. The adoption of an older child who already knows his or her birth parents cannot be kept closed.
1.How many adoption types are mentioned in the passage?
A. 2. B. 3. C. 4. D. 5.
2.Which of the following statements is TRUE about the closed adoption?
A. The birth parents may have indirect contact with the adoptive parents.
B. The biological parents may often go to see their birth child.
C. No information about the biological parents is given to the adoptive parents.
D. Generally speaking, the adoptive parents do not know the birth parents’ identities.
3.Suppose someone adopts a child and his biological parents often get contact with the child by telephone. We can call this adoption _____.
A. a closed adoption B. an open adoption
C. a semi-open adoption D. a semi-closed adoption
4.From the passage, we know adoption is _____.
A. where a child is brought up by the government
B. where a child is legally sent abroad by the birth parents
C. where a child is legally placed with adoptive parents
D. where a child is sent to live with the children whose parents have died
高二英语阅读理解中等难度题查看答案及解析