针对伊朗的策略混合了交战和威胁。
那些被新的竞争威胁的人们可以先于国会带来混合议案，但是不能保证通过。
Those threatened by the new competition could bring omnibus bills before the Congress but could not secure their passage.
H5N1会不会进入其他动物“混合容器”从而对人类造成更大的威胁？
Is H5N1 becoming a greater threat to humans by evolving in another animal 'mixing vessel'?
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