There are many mice in the house. The man of the house ___1___ a cat. The cat kills（杀死）many of ___2___. Then the oldest（最老的）mouse says,“All mice come to my room tonight（今晚）. Let us put our heads together（一起）and think ___3___ to do. We can do about（除掉）the cat.”All the mice come. Many mice ___4___, but no one knows what to do ___5___ a young mouse stands up and says,“We must put a bell（铃）on the cat. When the cat comes near, we ___6___ hear（听见）the bell and run away and hide（躲藏）.___7___ the cat will not catch any of us.”But the old mouse asks,“___8___ will put the bell on the cat?”

　　The old mouse waits（等待）, but no one answers. At last the old mouse says,“it is easy to say things, but it is ___10___ to do them.”

Miss Evans taught physics in a London school. Last month she was explaining to her class about sound, and she decided to test them to see how successful she had been in her work. She said to them, Now, I have a sister in Washington. If I was calling her on the telephone, and at the same time you were 20 meters away and listened to me from the other side of the street, who could hear what I said earlier, my sister or you? And why?

   The cleverest boy at once answered, “Your sister, Miss Evans, because electricity (电)travels faster than sound waves(波).” That's very good, Miss Evans answered, but then one of the girls put up her hand, and Miss Evans said, Yes, Betty?

    “I don't think so. Betty said, Your sister would hear you earlier because when it's eleven o'clock here, it's only six o'clock in Washington.”

(   )6. Miss Evans was teaching her class __________.

       A. about sound                       B. to hear some strange sound

       C. about electricity                    D. how to say time

(   )7. She wanted to make her students know__________.

       A. whether she could hear her sister in Washington

       B. whether her students could hear her from 20 meters away

       C. which was faster, London or Washington

        D. electricity travels faster than sound waves

(   )8. The cleverest boy thought that___________.

        A. sound waves travel faster than electricity

        B. they would hear her sister in Washington first

        C. Miss Evans's question wasn't right

        D. Miss Evans's sister would hear her earlier

(   ) 9. Miss Evans________.

        A. thought Betty's answer was much better

        B. thought the cleverest boy's answer wasn't so good

        C. was satisfied with what the girl had said

        D. was satisfied with(对...感到满意) what the cleverest boy had said

(   )10. Betty thought the cleverest boy was wrong, because_____________.

       A. clocks in Washington showed a different time from those in London

       B. electricity was slower than sound waves

C. they were only 20 meters away from the telephone

       D. electricity travels as fast as sound waves

No family wants its home to catch fire, but it's good to plan for a fire just in case （以防万一）. Talk with your family about  36 to do if a fire starts.   37  should have a plan for getting out of the house. Be sure to choose a safe place to   38  after everyone gets away from the fire.

What should you do   39  there is a fire?  First,   40  people know about the fire. Yell （叫喊） the word "fire". Knock on the walls with your hands.

Then   41  the door of your room. If the door is warm, don't open it. If it's cool, open it just enough to  42 . If you see fire or much smoke, close the door fast.

If you can't see fire or smoke, you can go out of the door. Shut the  43  behind you. That will slow down the fire. Now find a   44 out. Stay away from the smoke. The air is the  45  near the floor. So it   46  be the safest to crawl（爬）when you leave the house.

If you can't leave your room,  close your door. Cover the crack （缝隙） under the door

  47   clothing. Then open the window or   48  the glass with a chair. Crawl out, of the window   49 .If the window is high off the ground,   50 jump! Wave a towel out of the window, and yell for help. When you get out of the house, run to the place where you and your family chose to meet.

Everyone    1    tired sometimes. When you are tired, You should follow the doctor’s advice. First, you should go to bed early    2    a few nights. You shouldn’t   3  at night or study  4  . Having a good rest   5    good for your health. Second, you should   6  every day. Third, you should eat fruit and other    7   ,and it’s important    8  a balanced diet .Don’t    9   stressed out , or it makes you sick. You should    10   some music . You shouldn’t study when you are tired . If you take the advice above , you’ll be a healthy person.

1.                A．gets           B．get            C．got  D．getting

2.                A．since          B．for            C．in   D．at

3.                A．go away        B．go there        C．go out    D．go over

4.                A．late            B．lately           C．until D．hard

5.                A．is             B．are            C．am  D．was

6.                A．exercises       B．exercise        C．take exercises  D．sports

7.                A．healthing food   B．healthy food     C．health food    D．food healthing

8.                A．to eat          B．eating          C．eat  D．ate

9.                A．is             B．give            C．need D．get

10.               A．hear           B．hear of         C．listen D．listen to

We kids have different ways to get in touch with each other now. And for the old, they’d like to go to the market or     26      each other’s houses, but for the young, we kids needn’t follow the     27     of doing so.

The easiest way for us to get in touch and make    28     is to use the Internet services, like QQ. A lot of websites such as www.qq.com have     29    in the last few years and offered such kinds of     30     for free. So we can make friends    31     through the Internet. Maybe we do not    32    all these “friend” well. We add friends only    33    we seem cooler with more friends online.

Then how do we kids keep in touch with friends online? We make it by posting our     34      to each other. At times , “friends”     35     “be missing” for months without a message. Is this the friendship in the 21^st century?

Of course, using these Internet services is not     36    for saying “ Hi, what’s up?” Some of us have found long-lost classmates and friends     37    these websites. And at times we     38  a time to go to a movie or get together. What’s more, we kids can      39     our friends’ favourite music when we are on the Internet.

Believe it or not, these Internet services will be    40     for a while, and it is really a convenient way for us to keep in touch.