—We hear so much about exercises these days. So even experts can't agree on which exercises are best. Now some doctors are strongly encouraging arm exercises.

—Arm exercises? {#blank#}1{#/blank#}

—{#blank#}2{#/blank#} They say that arm exercises are a way to become physically healthy.

—But don't arm exercises raise your blood pressure?

—Yes. But the articles I read supply ways to make up for that.

—How?

—By adding leg exercises, so that the arms don't do all the work.

—{#blank#}3{#/blank#}

—Sounds right to me. I quite agree with you.

—{#blank#}4{#/blank#}

—They mentioned quite a few, but some of the popular ones are cycling with special

bicycles that make you use both your arms and legs.

—{#blank#}5{#/blank#} So I'd like to have a try.

—The same with me.

A. So what exercises do the experts suggest?

B. The more leg exercises you do, the better you are.

C. And in turn I'm sure that they're also a good chance of losing weight.

D. Actually that's not the main reason.

E. What's your opinion about this?

F. Is that because our arms are too fat or soft?

G. I can hardly believe it.

    Taking good notes is a time-saving skill that will help you to become a better student in several ways.{#blank#}1{#/blank#}Second,your notes are excellent materials to refer to when you are studying for a test.Third,note-taking offers variety to your study time and helps you to hold your interest.

    You will want to take notes during classroom discussions and while reading a textbook or doing research for a report.{#blank#}2{#/blank#}whenever or however you take notes,keep in mind that note-taking is a selective process.{#blank#}3{#/blank#}

    The following methods may work best for you.

    Read the text quickly to find the main facts and ideas in it.

    Carefully read the text and watch for words that can show main points and supporting facts.

    Write your notes in your own words.

    {#blank#}4{#/blank#}

    Note any questions or ideas you may have about what was said or written.

    As you take notes,you may want to use your own shorthand(速记).When you do,be sure that you understand your symbols and that you use them all the time,{#blank#}5{#/blank#}

A.Use words,not complete sentences.

B.There are three practical note-taking methods.

C.You must write your notes on separate paper.

D.Otherwise,you may not be able to read your notes later.

E.You will also want to develop your own method for taking notes.

F.That means you must first decide what is important enough to include in your notes.

G.First,the simple act of writing something down makes it easier for you to understand and remember it.

    Psychology says that many are unwilling to take risks. It's human nature to be nervous about putting ourselves on the line, whether physically or emotionally. But it's good for us to do that once in a while, especially when the risk is to achieve a desired result. {#blank#}1{#/blank#}

    Our human nature should be to take risks, but some just sit and wish they would not have the fear to move on because of one or two failures in their lives. Please step out and don't let the past hold you back from living life to the fullest. {#blank#}2{#/blank#}

    In studying the psychology of taking risks, we find that human nature provides us with the desire to experiment and take chances. {#blank#}3{#/blank#} This risk-taking attitude has become a part of our modern culture. Roller Coasters and bungee jumping are two common risk-taking activities that even the average person seems to enjoy despite the logical understanding that danger is not fun. This psychological connection creates an interesting connection between what is safe and what human enjoys.

    Without taking risks, nothing good can happen. Getting in a car each day is a risk. Getting out of bed is a risk.{#blank#}4{#/blank#} We need to take risks so that we can accomplish things. Astronauts take risks when they get inside of a rocket; however, the things they achieve are literally astronomical. Investors take a risk when they buy parts of a company. However, without doing that, they couldn't receive money on their investment.

    {#blank#}5{#/blank#} It is impossible to move forward in life, earn money, enjoy a relationship, play a sport, or do anything else without taking a risk. That is all part of the game. It's not one of the most important parts of life.

A. Move forward and move on.

B. There is no such thing as a perfect safety.

C. In that way, we become stronger and braver.

D. Thus, we will achieve more success in daily life.

E. We need to take risks so that we can gain something.

F. You must spend more time thinking about the strategies of risk.

G. Risk-taking is a benefit that allowed ancient people to discover new places.

    Even accomplished public speakers worry about whether or not their presentation is effective. Fortunately, improving your effectiveness as a public speaker is very simple! Here are some ways.

    {#blank#}1{#/blank#}. This includes the expected size of the audience, as well as their age and educational background. It's also important to know their level of knowledge about the topic you're presenting. Finally, consider how the audience view you and what they will likely expect to gain from your presentation.

    Determine the appropriate tone(语调) for your speech. You can think about the tone of your speech as the feeling of the speech. It will be determined by the audience, place, topic and purpose of your speech. {#blank#}2{#/blank#}， as you'll want to use a tone that's natural for you.

    Conduct research if necessary. If you're already an expert on your topic, then you may be able to write your speech from memory or from your own notes. However, it's important to do research if there are any gaps(空白) in your knowledge. {#blank#}3{#/blank#}. Also, audience members may appreciate statistics and facts that support your points.

    Outline your speech if desired. Many people find that outlining helps them organize their thoughts and create a good speech. First, write your purpose at the top of the page. {#blank#}4{#/blank#}. Finally, write the conclusion that you want the audience to draw.

    Add anecdotes or jokes. Although the audience want to hear your speech, people lose attention quickly. Stories, particularly personal ones, and jokes help hold their attention and make your speech more enjoyable. {#blank#}5{#/blank#}. Just be sure not to say anything inappropriate.

A. Know your audience

B. Make friends with your audience

C. Otherwise, there might be some weaknesses

D. You'll also want to consider your character

E. Then, write out your main supporting points

F. Additionally, they help people be related to you

G. The audience may notice those gaps and ask questions

    Taking good notes is a time-saving skill that will help you to become a better student in several ways.{#blank#}1{#/blank#} Second, your notes are excellent materials to refer to when you are studying for a test. Third, note-taking offers variety to your study time and helps you to hold your interest.

    You will want to take notes during classroom discussions and while reading a textbook or doing research for a report.{#blank#}2{#/blank#}Whenever or however you take notes, keep in mind that note-taking is a selective(选择性的) process.{#blank#}3{#/blank#}

    The following methods may work best for you.

    Read the text quickly to find the main facts and ideas in it.

    Carefully read the text and watch for words that can show main points and supporting facts.

    Write your notes in your own words.

    {#blank#}4{#/blank#}

    Note any questions or ideas you may have about what was said or written.

    As you take notes, you may want to use your own shorthand (速记).When you do, be sure that you understand your symbols and that you use them all the time.{#blank#}5{#/blank#}

A. Otherwise (否则), you may not be able to read your notes later.

B. There are three practical note-taking methods.

C. First, the simple act of writing something down makes it easier for you to understand and remember it.

D. Use words, not complete sentences.

E. That means you must first decide what is important enough to include in your notes.

F. You will also want to develop your own method for taking notes.

G. You must write your notes on separate paper.

As the world struggles to deal with the climate crisis, some companies are working to remove polluting carbon dioxide (CO₂) from the air. {#blank#}1{#/blank#}, but two US companies have recently made important progress.

Scientists say large amounts of CO₂ must be removed from the atmosphere and stored. {#blank#}2{#/blank#}. But there's so much CO₂ in the atmosphere that just planting trees and protecting forests won't solve the problem. In addition, when plants and trees die, the carbon they've stored gets released again.

That means humans need to come up with ways of removing carbon from the air and storing it. This is called Direct Air Capture (DAC). The science of removing carbon from the air is challenging, and it's still pretty new. Most DAC processes require a large amount of energy, {#blank#}3{#/blank#}.

A company called Heirloom has just opened the first DAC plant in the United States. The company heats up the limestone (石灰岩)to separate out the CO₂, which is then locked away in concrete (混凝土). The process is extremely expensive. {#blank#}4{#/blank#}. That's a tiny amount compared to how much carbon needs to be removed from the atmosphere, but the company says it hopes to remove a billion tons per year by 2035.

{#blank#}5{#/blank#}. Some people worry that it will take too long for DAC technology to become powerful enough to make a difference. Others worry that focusing on removing carbon could take attention away from more important climate actions, like switching from fossil fuel s to renewable energy. But experts say the decision isn't to do one or the other. The world needs to end fossil fuel use and pull carbon out of the air.

A. It's a huge and challenging goal

B. Plants and trees can do this naturally

C. Everyone is not excited about carbon removal

D. The new plant can remove 1,000 tons of CO₂ year

E. Graphyte is another US company working on DAC

F. and CO₂ is just a small part of the gasses that make up air

G. so one puzzle for these companies is how to remove carbon without creating more pollution