单项选择题

It is essential that any ideas and development work concerning a possible future ______ application be kept absolutely secret and confidential.

A．authority
B．privilege
C．patent
D．title
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单项选择题
Many people today, worldwide, remember exactly what they were doing when John. F. Kennedy was ______ in Dallas.
A．assassinated
B．eliminated
C．slaughtered
D．massacred
单项选择题
France's ______ of nuclear testing in the South Pacific last month triggered political debates and mass demonstrations.
A．assumption
B．consumption
C．presumption
D．resumption
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