【推荐1】If you are dreaming of becoming an astronaut after you grow up, get started now! An astronaut needs a strong body and mind. Shenzhou XIII astronauts are able to live upside-down （倒立）. They do this not just during sleep, but also when eating and going to the toilet. Before they ________ space, they had lots of practice. Each upside-down training time lasted for 20 days.

Chinese astronauts aren’t just spaceship ________ but also machine repairers（修理工）and scientists. They have to know every part of the spaceship and how it ________. If something goes wrong, they’ve got to know ________ repair it. Also they do scientific experiments in space.

Shenzhou XIII astronauts know how to live in ________. They took a knife, a gun（枪）and some dye（染色水）________ them into space. If they land in forests, the knife and gun can protect them from wild animals. If they ________ the sea, the dye can colour the seawater around them yellow. This can drive ________ sea animals away.

Shenzhou XIII astronauts can’t get dizzy（眩晕）. A spaceship is not a plane. When it ________ the extra gravity force（额外重力）can break people’s bones（骨头）.

Astronauts must have strong bodies for this. They can’t get a headache or be sick. Because they have to ________ many things. They’ve got no time for sickness. Do you still have a long, long way to go?

【推荐3】The first astronauts(宇航员)

Since the earliest times, people have looked up at the stars, the moon and the planets. Today people use modern machines_______at the sky. This is very different from the situation_______years ago when people could only use their eyes. Perhaps they dreamed of _______   the universe. When did humans first go into space? The story began not so very long ago,_______the firstastronauts were not people-they were animals. Scientists wanted to make travelling to space as _______as possible for humans. So they decided to experiment with animals and test_______in spaceflights. Insects, mice, frogs, dogs and monkeys were some of the animals_______first went into space. Many of them_______, but they helped to make space travel safer for humans. For their great service, we _______forget these animals. Albert I was the first monkey to go into space in 1949. Sadly he died________   his space ship landed back on Earth.

When I was a little kid, my grandma often told me I would be a ________ in the future, and I believed it would happen. But two years ago, I made up my ________ to give up this idea. The reason is that my mother, as a manager of a company, often works ________ and does not have time to take care of our family. So, I will not do the ________. Now my dream is to be an excellent doctor. I hope to cure（治愈）patients quickly ________ they can enjoy their lives. I also hope I can prolong the average lifespan（平均寿命）of people to 100 years old. Then, people can see what life will be like in the next ________. Isn’t that cool?

But my mother questioned this. “If ________ lives for 100 years, then there will be a lot of people. And we will have fewer resources（资源）. What do we do then?”

Although it’s a difficult question for me, I think we can solve it ________. Perhaps there is another student who has a big dream like I do, and he or she can ________ that problem. Then my job is just to let more people live long and healthy lives. In any case, I will always keep my dream and try my best to _________ it.

When the Internet became useful in the 1990s, nobody had any idea of how ______ it was going to become. Although nobody knows ______ how many websites there are, and maybe there are billions of web pages. But what will the Internet be like in the future? Here, the ______ give us their predictions.

Internet and mobile phones

The first mobile phone with Internet was in Finland in 1996, but it was very ______ so many people couldn’t afford it. Japan started the ______ mobile phone Internet service in 1999. By 2008, ______ people were using mobiles to access (接入) the Internet than computers. In the future, experts say we’ll all use our mobiles to access the Internet.

Mobile screens will probably get a little bigger, but not much. Of course, you’ll control all the function by ______ the screen, not buttons (按键).

How will people use the Internet?

Soon, everything from your car to your fridge will be ______ to the Internet, and machines will communicate with each other. Sixty-four percent of experts think people won’t have to use the ______ keyboard. We will have “virtual” (虚拟的) keyboards. Most people will also spend part of their day in virtual worlds, at home or at work. Finally, there won’t be a big ______ between work and rest time. People will be able to connect to the Internet anywhere and work where they are in the gym, a shop, at home or even in a virtual office.