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It can be inferred from the last paragraph that ______.A.new methods to prevent terrorism
It can be inferred from the last paragraph that ______.
A.new methods to prevent terrorism on aero-planes are not a panacea
B.new equipment will be mass-produced commercially over the next 12 months
C.new methods are readily monitored by security staffs at the airport
D.new equipment can only detect minute traces of explosive
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