When we are talking about animals in China, the most precious (珍贵的) animal we would think of is the panda. In fact, we have one kind of bird as precious as the panda,1many people don't know much about it. The bird is called crested ibis (朱鹮) . It is as2as snow with a red face and looks very beautiful. It is also in danger like the panda.

Crested ibises3in tall trees by small rivers or rice fields. They look for small fish and4small animals for food. About one hundred years ago,5crested ibises lived in China, Russia and Japan. Later, as they lost their homes,6them was getting smaller and smaller. Between 1965 and 1980, people didn't see any of them living in the wild. Luckily, on May 23, 1981, scientists7seven of them in the south of Shanxi Province. 8protect crested ibises in the wild, the Chinese government is setting up nature parks and developing other plans. Now scientists are doing a lot of research to help them to9more babies. Today there are about 1,500 crested ibises living in the wild. Zoos and research centres10after about 500 crested ibises.

    Do you know what makes lightning (闪电)? {#blank#}1{#/blank#}

    Lightning strikes happen when ice and water in clouds rub (摩擦) together, and cause atmospheric (大气层的) changes. When this happens, it creates a static charge (静电). Lightning can strike inside the cloud, between two clouds or between a cloud and the earth. {#blank#}2{#/blank#}

    Lightning can be very dangerous. Every year, lightning kills people because it can start big fires or because it reaches a temperature of 28,000℃. About 1,000 people are hit by lightning every year in the United States, and about 100 of them die as a result.

    {#blank#}3{#/blank#}Scientists think that there are more than three million lightning strikes every day in the world. An American man, Roy Sullivan, who worked in a park, survived from the most lightning strikes. {#blank#}4{#/blank#}And he keeps the highest world record.

    Lightning is sure not something to play with. When lightning strikes, it's best to stay inside a large building. {#blank#}5{#/blank#}Also, do not lie down on the ground, or the electricity may go through you and cause a heart problem.

How to be a friend of yourself?

We often pay attention to developing relationships with others. However, we forget the basic step: being friends of ourselves. How can we have good relationships with others if we don't even have good relationships with ourselves?{#blank#}1{#/blank#}.

First, forgive(原谅) yourself. It's true that you are not perfect, and neither is everybody else. It's normal for everyone to make mistakes.{#blank#}2{#/blank#}.

Second, accept things you can't change. There are many things you cannot change, such as your background and past.{#blank#}3{#/blank#}If you face the things you can't change, just smile and move on.

Third, focus on(聚焦于) your achievements. You can try making a list of your achievements, which do not have to be big things. There are a lot of small but important achievements in our life.{#blank#}4{#/blank#}

Last but not least, stop comparing yourself with others. You are unique.{#blank#}5{#/blank#} Your success is not determined(决定) by other people. Instead, it is determined by your own life purpose.

Giraffes are the tallest animals on the Earth. Male giraffes can grow to a h{#blank#}1{#/blank#}of about 17 feet. An adult giraffe can look into your bedroom window on the second floor.

Giraffes only live on the continent of Africa. The only giraffes in China are f{#blank#}2{#/blank#}in zoos or animal parks. V{#blank#}3{#/blank#}love to see the giraffes because they are so tall.

Giraffes love to eat leaves. With their longest necks, they can e{#blank#}4{#/blank#}eat leaves from the tops of trees. Giraffes don't d {#blank#}5{#/blank#}much water. They get much of the water they need from the leaves they eat.

You will probably know the feeling—it is time for school, but your eyes are only half-open. Your arms and legs are heavy and your brain is still asleep. So what can you do to stay awake when you are tired? {#blank#}1{#/blank#} 

Eat breakfast

Breakfast is the most important meal of the day, but it is also the easiest to skip（省略）. Start your day off with a healthy breakfast. {#blank#}2{#/blank#} They can keep you from feeling hungry and tired in the morning. 

Use water

When you are tired, water is your friend. {#blank#}3{#/blank#} It is even better than drinking lots of coffee. Coffee is fine in the morning, but it is best to drink water after lunch to make sure you can get to sleep. 

Get moving

 {#blank#}4{#/blank#} A few minutes of physical activity can improve oxygen circulation（氧循环）and keep your body active. It doesn't need to be anything difficult. A few push-ups and a short walk may be a great help. 

However, there is still something that you can't do when you are tired. {#blank#}5{#/blank#} Besides, if you find you are often feeling tired and you are not sure why, it is a good idea to speak to a doctor.