2a B. 4
C. 1
D. 3
b. The writer is in favour of the topic even thought there are some disadvantages in using the robots.
c. gives arguments for the topic- presents the advantages of the problem presented
summaries the writer's opinion- presents shortly the ideas
states the topic- sets the idea of the text
gives arguments against the topic-presents the disadvantages of the problem presented
3. to begin with- first
this means that-as a result
as a result- therfore