61、In India more than one hundred languages are spoken, ________ which only fourteen are recognized as official.
A．of
B．in
C．with
D．within
62、Techniques for ________ sleep would involve learning to control both mind and body so that sleep can occur.
A．cultivating
B．promoting
C．pushing
D．strengthening
63、It is important to ________ between the rules of grammar and the conventions of written language.
A．determine
B．identify
C．explore
D．distinguish
64、It is too early to say whether IBM’s competitors will be able to ________ their products to the new hardware at an affordable cost.
A．adapt
B．stick
C．yield
D．adopt
65、This research has attracted wide coverage in the ________ and has featured on BBC television’s Tomorrow’s World.
A．data
B．source
C．message
D．media
66、I had just posted the letter when I remembered that hadn’t ________ the cheque.
A．imposed
B．involved
C．enclosed
D．contained
67、She had a tense expression on her face, ________ she were expecting trouble.
A．even though
B．as though
C．even as
D．now that
68、They were ________ admission to the military exhibition because they were foreigners.
A．denied
B．declined
C．deprived
D．rejected
69、It gave me a strange feeling of excitement to see my name in ________.
A．prospect
B．print
C．process
D．press
70、Residents were cutting their lawns, washing their cars and otherwise ________ a pleasant, sunny day.
A．idling away
B．taking away
C．chasing away
D．driving away