1 . 按课文内容填空

I recommend that you talk to your friend about his behavior. It is not unusual for teenagers of your generation to     1     computer games and the online world. But spending too much time online is unhealthy and makes it very difficult to focus on other things in life. Some students even     2     the Internet and cannot     3     school and family life.

3 . 课文原词填空

Hunting and fishing have directly     1     the world’s animal populations. Some people hunt animals for food: whale meat is eaten in some parts of the world. Some people hunt animals for fashion: animal skin is used to make costs and bags. Still others hunt animals just for fun: deer are     2     and shot by people who enjoy the     3     of the sport.

Human activities that have     4     effects on animals can be just as harmful. When we build farms or factories, we destroy animal     5     and leave many animals with     6     to live, or no food to eat. We can also put animals in danger without ever entering their habitats. Air, water, noise and light pollution can all have a deep and     7     influence quite far from their source.     8     due to pollution     9     by ship traffic and other human activities, the dolphin population has dropped greatly. As the human population continues to grow,     10     does the effect we have on animals.

4 . 课文原文填空

I recommend that you talk to your friend about his     1    . It is not unusual for     2     of your generation to be attracted to computer games and the online world. But spending too much time online is     3     and makes it very difficult to focus on other things in life. Some students even become     4     to the Internet and cannot concentrate on school and family life. I think you should     5     your friend to try new hobbies. Why not discuss the problem together? I am sure he will listen to you since you are his good friend.

5 . 根据课文内容填空

It is not     1     for teenagers of your     2     to be attracted     3     computer games and the     4     world. But spending too much time online is     5     and makes     6    very difficult to focus     7     other things in     8    .

6 . It is predicted that the Chinese space station will be built mostly by machine. China hopes to have the space station    1     (complete) by 2022 and it is expected to operate for at least 10 years.

China also plans to land a probe（探测器）on Mars by 2020. Until now, China has completed a   total of five manned space missions. And,   in 2003,it       2     (successful)landed a probe on the moon.

7 . Do you feel a little sleepy after lunch? Well, that’s normal. You body naturally slows down then. What should you do about it? Don’t reach for a coffee!     1    , take a nap.
It’s good to take a daily nap. First of all, you are more efficient after napping. You remember things better and make     2    mistakes. Also, you can learn things more easily after taking a nap. A nap may increase your self-confidence and make you more creative.     3    may even cheer you up.
    4    , there are some simple rules you should follow. First, take a nap in the middle of the day, about eight hours after you wake up.     5    , a 20-minute nap is enough.     6    you sleep longer, you may fall into a deep sleep. After waking from a deep sleep, you will feel worse. Finally, you should set     7    alarm clock. That way, you can fully relax during your nap. You won’t have to keep looking at the clock so you don’t oversleep.
Now, the next time you feel sleepy after lunch, don’t get stressed. Put your head down, close your eyes     8    catch forty winks.