When you write a letter or make a telephone call, your words 31  a message. People communicate(沟通) with words. Do you think you can communicate__32__words? A smile  33  your face shows you are happy and friendly. Tears in your eyes tell34  that you are sad. When you 35   your hand in class, the teacher knows you want to say something 36 ask questions. You shake（摇头） your head, and people know you are saying no. You nod（点头） and people know you are saying  37 .
Other things can also give some information. For example, a sign at the bus stop helps you to know which bus  38 . A sign on the wall of your school helps you to find the library. Signs on doors tell you  39  to go in or out. 40 you ever noticed that there are a lot of signs around you and that you receive message 41  them all the time?
People can communicate 42 many other ways. 43  artist can use his drawings to tell about beautiful mountains, about the blue sea and many other things. Books 44 to tell you about all wonderful things in the world. They all help us to know 45  is going on in the world.
【小题1】A. take       B. bring              C. carry    
【小题2】A. by         B. with              C. without
【小题3】A. in          B. on                C. at        
【小题4】A. others     B. the others         C. other  
【小题5】A. look up     B. make up           C. put up   
【小题6】A. when        B. or                C. but       
【小题7】A. no         B. hello              C. yes     
【小题8】A. to get      B. to have            C. to take
【小题9】A. where       B. how                C. what
【小题10】A. Do          B. Did                C. Have
【小题11】A. from       B. of                 C. about   
【小题12】A. with       B. without           C. in
【小题13】A. The         B. An                 C. A       
【小题14】A. wrote       B. is written         C. are written
【小题15】A. what        B. which              C. that

What is the sky(天空)? Where is it? How high is it? What lies above it? These questions are hard to answer, aren’t they?
Is the sky blue? The sky has no color. We know that there is air around the world. When planes fly, they need air to lift their wings(翼) . Planes cannot fly very high because when they go high, the air gets thinner. If we go up about 1,200 kilometers from the earth, we find there is no air.
Perhaps(也许) we can answer some of our questions now. The sky is space(空间). In this space there is only the sun, the moon and all the stars.
6.What is the sky?
A. It’s the clouds       B. It’s space.     C It’s air      D It’s nothing
7. The sky _____
A. is blue        B. is white        C. is black     D. has no color
8. Planes cannot fly very high because _________.
A. the air becomes thinner                         B. the flying machine is not good       
C. people will be afraid if the planes fly too high      D. it is not necessary for planes to fly so high
9 If we go up about 1,200 kilometers from the earth, we find ___________.
A. there is more air   B. there is less air   C .there is nothing but air   D there is no air
10. In space there is _________.
A. nothing       B. air everywhere       C. everything       D. only the sun , the moon and all the stars

What is the sky(天空)? Where is it? How high is it? What lies above it? These questions are hard to answer, aren’t they?
Is the sky blue? The sky has no color. We know that there is air around the world. When planes fly, they need air to lift their wings(翼) . Planes cannot fly very high because when they go high, the air gets thinner. If we go up about 1,200 kilometers from the earth, we find there is no air.
Perhaps(也许) we can answer some of our questions now. The sky is space(空间). In this space there is only the sun, the moon and all the stars.
6.What is the sky?
A. It’s the clouds       B. It’s space.     C It’s air      D It’s nothing
7. The sky _____
A. is blue        B. is white        C. is black     D. has no color
8. Planes cannot fly very high because _________.
A. the air becomes thinner                         B. the flying machine is not good       
C. people will be afraid if the planes fly too high      D. it is not necessary for planes to fly so high
9 If we go up about 1,200 kilometers from the earth, we find ___________.
A. there is more air   B. there is less air   C .there is nothing but air   D there is no air
10. In space there is _________.
A. nothing       B. air everywhere       C. everything       D. only the sun , the moon and all the stars