Question

    Can animals be made to work for people ? Some scientists think that one day animals may be trained （训练） to do a number of simple jobs i     (1) of people . They say that at a circus （杂技场）， for example , we may see elephants , monkeys , dogs and other animals doing q     (2) skillful （熟练的） things . Perhaps you have seen them on the television or in a film . If you watch closely , you may find that the trainer （驯兽员） always g     (3) the animal some sugar

o    (4) a piece of fruit as a reward （报酬） . The scientists say that many d    (5) animals may be trained to do a lot of simple things if they know they will get a reward f    (6) doing that .

    Of course , as we know , dogs can be trained to look after a house  , and soldiers in both old and modern t     (7) have u    (8) geese to give warning （警报） by m    (9) a lot of noise when an enemy comes near . And also it may be possible to train animals to work in families or

f    (10) .

Answer 1

  1. instead                  2. quite                3. gives                4. or                     5. different

  6. for                         7. times               8. used                 9. making             10. factories