1. Choose the correct answer

Read the text and answer the question.
Dogs possess a more developed sense of hearing and smelling than men, but they cannot see so well. You may be surprised to learn that dogs are
color-blind. A dog distinguishes objects first by their movement, second by their brightness and third by their shape. A dog lives on average for about 12 or 13 years. A puppy aged six months compares in age with a child six years old. A thirteen-year-old child is not yet grown up, but a thirteen-year-old dog is very old dog indeed.

21. We can understand from the passage that dogs …
A) see better than other animals
+B) are unable to distinguish colors.
C) have a poor sense of smelling.
D) are children's best friends.UNITE
22. Apart from other things, the light reflecting from the objects....
A) causes dogs to be blind.
B) prevents dogs from seeing
colors.
C) frightens dogs very much
+D) helps dogs see the objects.
23. Although a thirteen-year- old
child is not old, a dog of the same
A) lives longer.
B) can see very well.
C) is very young.
+D) is quite old.
Read the text and answer the question.
Some experts believe that robots will be able to do jobs, which at the moment only human beings can do; however, there are also others who disagree. One London Company, USA has already developed machines that can be employed as 'home - helps' for old people unable to look after
themselves and who are living on their own. These machines can now carry out such things as cook eggs and clean the floor, and the company says that future models will be directed by simple voice instructions and controlled by a 'brain'. Yet it is believed that we have a long way to go before we can develop truly intelligent machines.