Man-made satellites have been sent up into space by many countries. These satellites go round the earth and help us to learn more about the earth, the weather and other things. Most countries use these satellites to sent and receive messages. For example, with their help China can send their programs to America, too. We can also use satellites to help us to make telephone calls to foreign countries.

1.These satellites go round ____.

                   A. the earth    B. the moon    C. the sun    D. the stars

2. Man-made satellites are ____ to people.

                   A. terrible    B. useful    C. unknown    D. not necessary

3. Without the help of man-made satellites, we couldn’t see ____ on TV.

                   A. anything interesting                    B. what other people are doing

                   C. foreign programs                                     D. colour films

4.Man-made satellites can also help us ____ to our friends on the other side of the world.

         A. write down      B. send birthday presents

         C. pay visit                          D. make telephone calls

         Man-made satellites have been sent up into space by many countries. These satellites go round the earth and help us to learn more about the earth, the weather and other things. Most countries use these satellites to sent and receive messages. For example, with their help China can send their programs to America, too. We can also use satellites to help us to make telephone calls to foreign countries.

1.These satellites go round ____.

                   A. the earth    B. the moon    C. the sun    D. the stars

2. Man-made satellites are ____ to people.

                   A. terrible    B. useful    C. unknown    D. not necessary

3. Without the help of man-made satellites, we couldn’t see ____ on TV.

                   A. anything interesting                    B. what other people are doing

                   C. foreign programs                                     D. colour films

4.Man-made satellites can also help us ____ to our friends on the other side of the world.

         A. write down      B. send birthday presents

         C. pay visit                          D. make telephone calls

Man-made satellites have been sent up into space by many countries. These satellites go round the earth and help us to learn more about the earth, the weather and other things. Most countries use these satellites to send and receive messages. For example, with their help China can send its TV and radio programmes to the other side of the world. Foreign countries can send their programmes to China, too. We can also use satellites to help us to make telephone calls to foreign countries.

1. These satellites go round       

   A. the earth          B. the moon          C. the sun         D. the stars

2. Man-made satellites are          to people.

   A. terrible            B. useful            C. unknown       D. not necessary

3. Without the help of man-made satellites, we couldn't see          on TV.

   A. anything interesting              B. what other people are doing

C. foreign programmes             D. colour films

4. Man-made satellites can also help us       to our friends on the other side of the world.

A. write                           B. send birthday presents

C. play visits                        D. made telephone calls

5.          countries have sent up man-made satellites into space.

   A. Few             B. All            C. Many          D. No

 Millions years ago much of our earth was covered with blocks (块) of ice. These ice blocks were as tall as high buildings in modern cities. Most of the ice was in the northern (北方的)part of the world.

Then the ice blocks started to move south. Cold and rain came with the ice. Animals and people had to move.

At last, the ice began to melt (融化). After half a million years, most of it had melted. More than half of the earth became covered with water. The climate became much warmer. Things began to grow. The earth began to look the way it looks today.

1.Millions of years ago our earth was very _________________.

A. warm            B. hot              C. cool             D. cold

2.What did animals and people try to do when the ice blocks moved south?

A. they tried to stop them moving.       B. They tried to melt them.

C. They tried to stay ahead of them.      D. They tried to move behind them.

3.The melting ice maybe helped to form _____________.

A. mountains and valleys              B. the sun, the moon and the earth

C. cities and countries                D. seas, lakes and rivers

4. The underlined word “climate” means _______________.

A. the freezing ice                   B. the weather of the year

C. the moving of the ice blocks         D. a plant or an animal

5. Which of these things maybe happened because the Ice Age ended?

a. Forests grew                     b. Food became harder to find

c. Fishing became easier              d. The temperature dropped.

A. a; b            B. b; d           C. c; d             D. a; c