49. How does the squid find its food?
By sight only
By touch only
Both by sight and by touch
In none of the ways described above
50. The passage is mainly about ……………….. .
a warning to deep-sea divers
how to go deep-sea fishing
a new way of feeding fish
biological differences between two animals
51. According to the passage, which of the following can describe the octopus?
The memories of what it has been seen and what it has touched are contained in separate areas of its brain.
Its brain does not function very well.
It cannot look and touch at the same time.
Its brain is simpler than that of the squid.