We always think that it's OK for us to leave our plants home during our vacation as plants won't scream like pets, right?

    A recent study done by a group of scientists at the Tel Aviv University has discovered that some plants will scream when they are under stress.

    The research was carried out on tomato plants and tobacco plants by cutting their stems (茎) and depriving (剥夺) them of water. A microphone was placed 10cm away from them. When their stems were cut, the plants started "screaming" between 20 and 100 kilohertz, and the scientists guess that this scream is probably meant to warn other plants nearby.

    When the tomato plants' stems were cut, 25 ultrasonic (超声的) pain sounds were recorded in an hour, and at the same time, 15 ultrasonic pain sounds were recorded from the tobacco plants. When they were deprived of water, the tomato plants recorded even more pain sounds with 35 pain sounds in an hour while the tobacco plants recorded about 11 pain sounds.

    The plants also acted differently to different kinds of stresses. For example, the tobacco plants gave out a stronger "scream" when they were deprived of water than when their stems were cut. But plants that were in no immediate (立刻的) danger gave out less than one ultrasonic sound per hour.

    The group of scientists said that plants are not as quiet as we had always thought, but in fact their voices are so high-pitched that we just can't hear them.

    Last year, another study has found out that plants feel pain when they are touched or hurt and they will give off a terrible smell.

You're chatting with a friend and want to suggest a good book. All of a sudden, you can't remember the title! The harder you try to remember, . the more it eludes (使不记得) you. We've all been there, and everyone knows how hard it is to remember all the information in your head. {#blank#}1{#/blank#}

● Repeat important information out loud. {#blank#}2{#/blank#} When you repeat something out loud, you aren't technically memorizing it. You're actually creating a pattern (方式) and sound that will make the information easier to remember in the future.

● {#blank#}3{#/blank#} Turn the TV off while you study and put down the phone while you're driving. When you do different activities at the same time, your attention is divided, which will make it hard to process (处理) the information necessary to remember what you're doing.

● Take notes and write things down. Taking notes will help you memorize the information, even if you never look at your notes again! {#blank#}4{#/blank#} So you'd better use pens and paper if you really want to remember your friend's birthday or an important meeting.

● Take a short walk. Studies show that taking a walk will increase your memory. If you're trying to remember something, spend a few minutes walking around your neighborhood to see if it helps. {#blank#}5{#/blank#} At best, you'll remember the name of that life-changing book from primary school!

A. Pay attention to one thing at a time.

B. Remember to find a good neighborhood.

C. Never watch TV or use mobile phone too much.

D. At worst, you'll get some exercise and relax a little.

E. Say that address, phone number, or date over and over again.

F. Luckily, there are some things you can do to improve your memory.

G. Research shows that it's hard to achieve the same result by writing on your phone.

Confidence is something everyone needs.  Sometimes you may question your level of confidence and wish it to be higher.  Your confidence level makes a difference to what you can achieve. So keeping a high level of confidence is important to you. You can do as follows.

Renew your mind

What you receive decides your mind, so try something new. Read a new book or magazine or listen to a radio you haven't listened to before. In this way, you can challenge your opinions, open a new world and enrich your knowledge.

Also, spend a period of time being on your own and just think about your life sometimes. Keep yourself away from others and enjoy the power of silence.

Choose your friends wisely

Choose people you admire as your friends. It can be helpful to have those friends in your circle. Learn the way they face new challenges and communicate with them more. Keep away from those who always give up.

Let go of the past

Forgive(原谅) people who hurt you in the past. Write a letter to yourself to record your feelings in detail. If there are people who you need to say sorry to, go and do it right away.

Push yourself out of comfort zones

It's easy for us to make excuses for something. Maybe you think it's out of your comfort zone or too difficult. Remember that you can do it. It will help you discover something new about yourself, such as new hobbies or skills.

More tigers are moving from Russia into northeastern China. This is because the environment is better for them to live in.

As human activities become less and the number of the wild animals is rising, tigers come to China for food.

Also, there is a cross-border corridor (跨境走廊) between China and Russia. It helps the tigers travel around freely. Data (数据) from a research team show that between 2013 and 2016, nearly 80 percent of the tigers moved across the corridor.

Besides, China started a number of projects to protect the tigers. As we all know, tigers need large areas to move around, so it's important to build national parks. In 2021, the Northeast China Tiger and Leopard National Park was set up in Heilongjiang Province and Jilin Province. It covers around 14,100 square kilometers. The national park creates a shared home for the animals. As a result, the number of the tigers has grown.

One more reason is that experts from China and Russia work together to research on tiger protection. Many volunteers go to protect tigers around the forests every year. It's believed that there will be more tigers in the near future.

写作要求:

1.词数70左右（开头和结尾已经给出，不计入总词数）;

2.根据导图提示，可以适当发挥;

3.文中不得出现真实的姓名及校名。

This term will be over. When I look back, I find that

……

In a word（总之）, I will try my best to be a better student next term.

作文要求： 语句连贯，词数80个左右。开头已给出，不计入总词数。

参考词汇: confident自信的

Since I entered middle school, I've become more independent both in study and in life. I'd like to share how I've changed.