Justin, my brother, has been missing for two weeks. Now I   31   him very much. I’m worried that something   32  has happened to him. I’m sure he   33  that night at about 11 o’clock, because I heard him playing his favorite CD in his bedroom. But where has he gone?

Yesterday a girl named Marvies told me that   34  was once taken away by aliens(外星人) from outer space. They did some research on her. Marvies said that the whole experience was really terrible,   35  luckily they returned her home. If Justin has been taken away by aliens too, I hope they will   36  him soon.

My parents have been worrying about Justin. Soon after he was found missing, they called 37  . However, the police are not making   38  in the case (案子). They are very puzzled, saying Justin might have been murdered. Dad is very   39  with them. He doesn’t think they are doing their job well. Mum is so worried that she   40  sleep well. I hope Justin will come home soon and tell us what happened to him. I want all of us to be together again.

1.                A．dislike          B．respect         C．hate D．miss

 

2.                A．bad            B．good           C．wonderful D．simple

 

3.                A．came home     B．went out        C．fell asleep D．fell ill

 

4.                A．he            B．they           C．it    D．she

 

5.                A．because        B．so             C．or   D．but

 

6.                A．kill            B．hurt           C．return    D．catch

 

7.                A．the police       B．the teachers     C．the firemen   D．the doctors

 

8.                A．a face          B．a mistake        C．a living   D．much progress

 

9.                A．delighted       B．disappointed     C．satisfied  D．pleased

 

10.               A．shan’t        B．can’t         C．needn’t  D．mustn’t

 

 

Number sense is not the ability to count. It is the ability to recognize a    1   in number. Human beings are born with this ability.   2   , experiments show that many animals are, too. For example, many birds have good number sense. If a nest has four eggs and you remove one, the bird will not    3  .However, if you remove two, the bird    4   leaves. This means that the bird knows the    5   between two and three.

Another interesting experiment showed a bird's    6   number sense. A man was trying to take a photo of a crow（乌鸦）that had a nest in a tower, but the crow always left when she saw him coming. The bird did not    7   until the man left the tower. The man had an    8  .He took another man with him to the tower. One man left and the other stayed, but they did not    9   the bird. The crow stayed away until the second man left, too. The experiment was    10   with three men and then with four men. But the crow did not return to the nest until all the men were    11  .It was not until five men went into the tower and only four left that they were    12   able to fool the crow.

How good is a human's number sense? It's not very good. For example, babies about fourteen months old almost always notice if something is taken away from a    13   group. But when the number goes beyond three or four, the children are    14   fooled.

It seems that number sense is something we have in common with many animals in this world, and that our human    15   is not much better than a crow's.

1.                A．rise            B．pattern         C．change   D．trend

 

2.                A．Importantly      B．Surprisingly      C．Disappointedly D．Fortunately

 

3.                A．survive         B．care           C．hatch D．notice

 

4.                A．generally       B．sincerely        C．casually   D．deliberately

 

5.                A．distance        B．range          C．different  D．interval

 

6.                A．amazing        B．annoying        C．satisfying  D．disturbing

 

7.                A．relax           B．recover         C．react D．return

 

8.                A．appointment     B．excuse         C．idea D．explanation

 

9.                A．fool           B．hurt           C．catch D．kill

 

10.               A．reported       B．repeated       C．designed  D．approved

 

11.               A．confused       B．gone           C．tired  D．drunk

 

12.               A．gradually       B．luckily          C．strangely  D．finally

 

13.               A．single          B．small           C．local  D．new

 

14.               A．seldom         B．temporarily     C．merely    D．often

 

15.               A．sight           B．nature         C．ability D．belief