In the universe, as we all know, there is the sun, the moon, the earth and many stars.     1     our geography lessons, we know the earth     2     around the sun, and the moon goes around the earth. We have day and night     3     the earth keeps turning all the time. When our part of the earth turns to the sun, it is day. When our part of the earth turns away from the sun, it is     4    .

Just because the moon is     5     to the earth than the sun, it looks much bigger than the sun. Big things look smaller when they are further, and small things also look bigger when they are nearer. The sun is big     6     to give out very strong light. The moon     7     give any light at all, but it looks quite bright, too. Why? In fact, the light from the moon comes from the     8    . The moon looks much bigger and brighter than the stars, but actually the stars are much bigger and brighter than the moon. They look smaller than the moon also because they’re further away from     9     earth than the moon.

There are many     10     planets in the universe. But of all the planets, there are living things only on the earth and people can only live on the earth too.

【推荐2】Do you know something about the moon? You can see it at n    1    . Sometimes it looks round and bright. It also looks quite near. B    2     the moon is very f    3     from the earth. If you take a spaceship, you will get there in more than three days. The spaceship goes very fast, at 11 kilometers a second. In 1969 two Americans got on the moon by spaceship.

There are no living things on the moon b    4     there is no air or water there. That's why people can't l    5     there. But you may know you can jump much higher there than on the earth. It's fun, isn't it?

I hope some day we Chinese will get to the moon, too.

Spring Equinox (春分) is the f    1     of the 24 solar term (节气). It’s on March 21 this year. On this day, day and night all over the world are equal length. After this day, daytime will l    2     longer than night.

Spring Equinox means the most exciting days of spring have come. Spring is the best time for going outside and flying k    3     in China. There are also other traditions for this day, such as balancing eggs. In some places, people paint the eggs in many colors and h    4     egg — balancing competitions. They think special gravitational forces (引力) can help eggs stand on their ends. In fact you can balance an egg on its end any day of the year, have a t    5     for fun.

In the past, when people used mobile phones to send the messages, they usually     1     (type) in the words.     2    , in China, it was often difficult for old people to type Chinese characters. Typing words was often much     3     (slow) than speaking.

Is it possible for a mobile phone to type in the words for us as we talk?     4     answer is “Yes”! With a special program, a mobile phone can recognize your voice. After you teach it     5     (get) used to the way you speak, you can talk to the mobile phone and it will obey your commands, and write for you. In this way, you can send short messages     6     a faster speed.

Some of the latest mobile phones can also talk to you. When you talk to     7     (they),   they reply and answer your   questions. For example, they can tell you     8     the weather will be like today and find out about the hotels near you very     9     (quick). Some mobile phones can even chat with you , although sometimes they may make funny     10     (mistake).

Have you ever talked to your mobile phone?

The traditional Chinese calendar divides the year into 24 solar terms (节气). Thousands of years ago, they     1    （create）to help with farming, but the solar term culture is still very useful today to guide     2    （people）lives. Grain Buds is the     3     （eight）solar term of a year. It means that the seeds from the grain are becoming full but are not ripe. This year Grain Buds falls on May 20, and lasts 16 days. Here are some things you may not know about Grain Buds.

A saying about rain during this time     4    （say）, “A heavy rainfall makes the river full. “Because of a lot of rain, rivers are full of water and a great number of fish. You can’t miss the chance to enjoy them. Also, it is such a golden season for     5     （fisherman）!

Wet and hot days     6     （be）common in this season. It may make you get skin illnesses easily. It is necessary     7    （take）more exercise. Walking, jogging and practicing tai chi are popular.

It is a good period for flowers to grow     8    （rapid）. Caring for your garden becomes even     9    （important）than any other time. If you take good care of them, your plants     10    （be）healthier.