(  )42．A．cool       B．warm     C．hot       D．cold

  (  )41．A．when      B．after      C．before    D．as soon as

  (  )40．A．cats       B．foxes      C．wolves   D．dogs

  (  )39．A．serve      B．waste     C．make     D．steal

  (  )38．A．where     B．what      C．when     D．which

  (  )37．A．wolves    B．eats       C．humans   D．students

  (  )36．A．whole    B，late    C．1ast     D．first

(  )35．She played the piano ______than we had thought．

    A．more successfully    B．successfully

    C．more successful      D．successful

    Now a lot of people like to keep dogs as their pets．But do you know dogs were wild(野生的)animals long，long ago?

    The  36  wild dogs were trained by   37   in Europe about 10，000 years ago．These first“dogs”were not like  38  we have now．They may have been small wolves．These dogs often came near humans to  39  some food．Some of the young dogs were adopted(收养)by people and grew-up with them．

Humans believed the  40  were a help to them in many ways．The dogs helped them to hunt(狩猎)．They could smell and hear danger  41  people could．They helped to keep people    42  on cold night．So it was  43  to raise the dogs.

Now，there are many different kinds of dogs  44  they may look quite different from each other．Dog trainers think there are more than 400 different kinds in the world．The number keeps increasing with new kinds．

    Since those early days，humans and dogs have always been together，We should   45   them from now on because they are really our friends．

(  )34．―In the USA，people have cold drinks when they are having dinner．

       ― _____________

    A．So we don’t  B．Neither we do  C．Neither are we  D．So do we

(  )33．Young children now ______too much junk food _____their parents and grandparents．

    A．are given，by  B．are given，to．  C．give，to  D．gave，by