Question

5 Complete each gap with the right form of the word in
brackets.
Some scientists think that humans are biologically programmed to be
afraid of certain things, like the dark and 1).....
(POISON) insects. Others are convinced that a frightening event in
the past lies behind many phobias.
A recent breakthrough in 2)
(MEDICINE) research
suggests that our memories can be rewritten and our fear erased.
Scientists at New York University have found that a retrieved memory
can be 3)...........
(PERMANENT) changed. However, it
appears that this is only possible within six hours of the memory
emerging. After this time, the mind will simply form a second version of
the memory. This means that in the future, in times of stress or anxiety,
the 4). .... (ORIGIN) fear memory could resurface.
Still, scientists are excited. Previously, they had thought that the human
long-term memory was fixed and that the fears and phobias which hid
inside it could only be treated with drugs. Now, they may have discovered
a much 5) .................. (SAFE) way to prevent the return of fear.​

Answer 1

Răspuns:

1) poisonous

2)medicinal

3)permanently

4)original

5)safer