11.6.4 Complete the sentences with words formed from the words in capitals.
1 The lab is protected by a fingerprint scanner
and a speech system. (RECOGNISE) )
2 Dark chocolate contains flavanoids, a type of
(OXIDANT)
3 There are many different techniques to improve
your memory
.. . (RETAIN)
4 There is no denying the
of brain research to the medical world. (USEFUL)
5 Many people use
as a tool to help them achieve success. (VISUAL)
