单项选择题


A．prepared
B．considerate
C．cautious
D．aware
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单项选择题
Rather than the new regulation of European Union, Lufthansa prefers to ______ as a more efficient way.
A．tie up resources and capital by bureaucracy
B．encourage important investments in environmentally friendly technologies
C．take action to streamline air traffic control and diminish flight detours and holding patterns
D．All of the above.
单项选择题
The International Civil Aviation Organization is expected to draw up any uniform rules to ______.
A．support the new rules of the European Union
B．provide a more reasonable regulation replacing the European Union's
C．save more money
D．improve the regulation to be more efficient
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