Can plants eat people? Probably not, but there are many plants that eat meat. Some of them are big. And they can eat small animals. One famous meat-eating plant is Venus Flytrap(捕蝇草). 

Venus flytrap is a very strange plant. It grows in dry parts of the United States. Its leaves are like the pages of a book. They can open and close very quickly. Inside the leaves, there are three small hairs. If a fly touches one of the hairs, the leaf closes quickly， so the fly cannot get out. In about half an hour, the leaf presses the fly until it is dead. Then, the plant covers the fly and slowly eats it.

Why do plants do that? Most plants get what they need from the sun, the air, and the ground. In some places, the ground is very poor. It doesn't have all these important things, especially nitrogen (氮). Animal meat has a lot of nitrogen, so some plants eat meat to get what they need. Let's hope that bigger plants don't get the same idea!

    Water has always been necessary for our health. Then what kind of water do you drink, tap water or bottled water? Do you get a healthier, safer and more refreshing(提神的) drink when you buy bottled water off the shelf? My answer is "no", and doing so hurts the environment and your wallet.

    First of all, there are no studies showing that bottled water is better for you, and in fact, it may be less safe than tap water. A study of over l, 000 people in Belfast found that they couldn't tell the differences between tap water and bottled water when asked which was purer, more pleasant, natural and refreshing. Bottled water can come from springs(泉水) or from the mountains. It can also be treated, for example, to have iron(铁) removed. It is reported that there is around 82.8g of CO₂ for a half-liter(半公升) bottle. This will be harmful to people's health when everyone's drinking it. However, bottled water is popular with many people. Its success is from excellent marketing and our laziness in filling reusable bottles with tap water.

    Secondly, bottled water can cost between 500 to 1, 000 times more than dap water. In 2015, the UK drank 2.4 billion liters o of bottled water, and by 2016 this had risen to 2.6 billion liters. Yet, you get this from the tap, for free.

    Besides, recycling is improving, but in America, it is said that only a quarter of bottles can be used again. So is it really so much better that it is worth both paying for and harming the earth? Or should you stop buying it?

    As a general rude, I believe that most of us should enjoy more tap water, and stop using so many bottles.

    Some of the greatest problems we face today are the destruction (破坏) of our environment. Brown clouds, polluted water, endangered wild animals.., these problems seem so huge.

    So my family does what we can. We take cloth bags to stores instead of using plastic bags. We walk where we don't have to drive...

    But does it do any good? When I am the only one in line at the market with cloth bags, am I doing any good? Does my walking to stores make any real difference to the world?

    I recently learned something about flamingos (火烈鸟) which like to get together in groups of a thousand or more. Every year, when the time comes for migration (迁徙), a few of them first takeoff from the lake. But none of the others seem to notice, so the small group returns. However, the next day they try again. This time few more fly along with them, but most of them still pay no attention, so they return again. They try for several times. Every time a few more birds join in but, since the thousands of others still take no notice, the great migration plan is once more stopped.

    Then one day something changes. The same small group of birds once again starts flying and a small number more join in just as before, then more. Finally, they all take flight and the migration really begins. What a spectacular sight it must be—thousands of flamingos taking off into the sky at once!

    A few can make a difference. Even if you're the one to take the first step, and continue trying, others will someday take notice and together we will solve even our greatest problems.

    Many people have the wrong ideas about pigs. Pigs are actually(买际上) very clean animals. On farms, they live in dirty places, so they become very dirty. But in the wild, pigs keep themselves very clean.

    They are also very smart. They may he smarter than clogs. So pigs can learn things from people.

    Pigs are very friendly animals. Some people raise (饲养) them as pets. Of course, people raise the smart kind, not the big kind. Small pigs are very cute. And they don't break things in the house. Big pigs usually live outside on the farms, not in people's houses.

Many people catch a cold in the springtime or fall. Although scientists can send a man to the moon, why can't they find a way to stop the common cold? The 1 is easy. There are actually hundreds of kinds of cold viruses（病毒）out there. You never know which one you will 2 , so there isn't a cure（治疗）for each one. 

When a virus gets into your body, your body works hard to fight against it. When you have a cold, blood（血液）rushes to your nose and makes it stuffy（堵塞的）. You feel 3 because you can't breathe well, but your body is actually "eating" the virus. Your temperature rises and you get a fever, but the heat of your body is 4 the virus. You may feel uncomfortable, but actually your wonderful body is doing everything it can to kill the cold. 

Different people do different things to deal with colds. In the United States and some other countries, for example, people might eat chicken soup to feel 5 . Some people take hot baths and drink warm drinks. Other people 6 medicine to stop the uncomfortable feelings of colds. 

There is one interesting thing to note—some scientists say taking medicine when you have a cold is actually 7 for you. The virus stays in you longer because your body doesn't have a way to 8 it and kill it. Bodies can do an amazing job on their own.