We know that trees are useful in our everyday life. They   1  us many things, such as wood, oxygen, rubber, medicines and many other things. They can  2  tell us a lot about our climate. The following are the reasons. If you   3  a tree, you can see that it has many rings. Most trees grow one new ring   4  year. Because of the reason, we know   5  a tree is. A tree over a hundred years old means that it has more than a hundred   6 . When the climate is dry or very cold, the trees do not grow very much and their rings are usually   7 . When it is wet and warm, the rings are much thicker. If the rings are suddenly very thin or suddenly very thick, this means that the   8  changed suddenly. If we look at the rings on this tree, we can learn about the   9  for a hundred years. We can see  10  our climate is changing today.

1.	A．tell B．ask C．give D．get

 

2.	A．not B．too C．to D．also

 

3.	A．cut across B．climb up C．walk past D．look at

 

4.	A．every B．many C．the first D．from

 

5.	A．how big B．how long C．how old D．how much

 

6.	A．trees B．leaves C．people D．rings

 

7.	A．big B．thick C．small D．thin

 

8.	A．climate B．trees C．rings D．animals

 

9.	A．people B．things C．climate D．life

 

10.	A．how B．why C．when D．while

 

It was getting dark. Some children and two Canadian women were still   1  on the ice near a big hotel. They were having a good time.

Suddenly the ice   2 . One of the boys fell into the water. The children shouted，“Help! Help!”They didn’t know   3  to do. The two Canadian women heard   4  and skated over to get the boy out of the water.

The ice was   5. The two Canadians fell into the water, too. But they tried their best to

 6  the little boy. They knew they must be  7 . If they didn’t push him up onto the ice, he would soon die.

Many people ran over to   8  them. Some of them had ropes and poles. A young man jumped into the water to save the   9  people.

The boy and the two Canadian women were out of water at last. One of the women didn’t feel well. She was sent to the   10  at once. But she felt very happy because the boy was saved.

1.	A．boating B．skating C．planting D．swimming

 

2.	A．broke B．shone C．closed D．flew

 

3.	A．who B．when C．what D．where

 

4.	A．one B．him C．them D．her

 

5.	A．big B．small C．thick D．thin

 

6.	A．save B．wake C．see D．tell

 

7.	A．slow B．quick C．sorry D．wrong

 

8.	A．play B．shout C．push D．help

 

9.	A．two B．three C．four D．five

 

10.	A．hospital B．school C．library D．garden

 

It was getting dark. Some children and two Canadian women were still   1   on the ice near a big hotel. They were having a good time.

    Suddenly the ice   2  , and of the boys fell into the water. The children shouted “Help, Help” They didn’t know   3   to do. The two Canadian women heard   4   and skated over to get the boy out of the water.

    The ice was   5  , the two Canadians fell into the water, too. But they tried their best to __6   the little boy. They knew they must be   7  . If they didn’t push him up onto the ice, he would soon die.

    Many people ran over to   8  . Some of them had ropes and poles. A young man jumped into the water to save the   9   people.

    The boy and the two Canadians women were out of water at last. One of the women didn’t feel well. She was sent to the   10   at once. But she felt very happy because the boy was safe.

1．A．boating                B．skating              C．planting            D．swimming

2．A．broke                 B．shone               C．closed               D．flew

3．A．who                   B．what                C．how                   D．where

4．A．one                   B．him                  C．them                 D．her

5．A．big                   B．small                  C．thick                 D．thin

6．A．save                  B．wake                  C．see                  D．tell

7．A．slow                  B．quick                 C．sorry                 D．wrong

8．A．play                   B．shout                C．push                   D．help

9．A．two                    B．three                  C．four                    D．five

10．A．hospital              B．school                C．library                 D．garden